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CAI-NVES3T8K1V - 3.8TB NVMe Gen4 E1.S SSD | Cisco | UCS Servers
The Cisco CAI-NVES3T8K1V is a 3.80 TB enterprise solid state drive based on the KIOXIA XD7P Series, featuring a PCI Express 4.0 (PCIe NVMe 4.0) interface, an E1.S (15 mm) internal form factor, and high-performance, medium-endurance flash classification for server storage in Cisco UCS systems. An enterprise NVMe SSD is a data storage device that connects directly to the host CPU over the PCI Express bus using the NVM Express protocol, eliminating the SATA/SAS controller bottleneck of legacy drives. Within the storage hierarchy, an SSD is a non-volatile storage medium built on NAND flash; NVMe SSDs form the top tier of server storage performance, sitting above SAS and SATA SSDs, and are a core building block of modern power management and compute subsystems in rack-scale servers. Key features of the CAI-NVES3T8K1V include 3.80 TB of usable capacity, a PCIe 4.0 x4 NVMe interface for high-speed data transfer, and the E1.S 15 mm form factor (EDSFF standard) that enables high-density front-panel drive bays. The KIOXIA XD7P classification as High Performance, Medium Endurance makes it suitable for mixed read/write workloads that demand both throughput and a meaningful drive-writes-per-day rating. Technically, the drive uses the KIOXIA XD7P Series platform with PCIe Gen4 signalling, delivering substantially higher queue depth, lower latency, and higher IOPS than SATA alternatives. The Gen4 interface doubles the theoretical bandwidth of PCIe 3.0, benefiting AI training data pipelines, database logs, and virtualization I/O. Typical applications include the Cisco UCS C845A M8 AI Server, where the drive serves as local NVMe scratch or data-tier storage for Generative AI fine-tuning and inference workloads, as well as general rack-server boot and data storage in Cisco UCS C-Series systems. Design consideration: this is a Cisco-qualified OEM drive intended for UCS servers; verify controller and firmware compatibility before deploying in third-party platforms, and confirm chassis bay support for the 15 mm E1.S variant rather than the 9.5 mm version. This page synthesizes distributor pricing, lifecycle information, and practical deployment notes for the CAI-NVES3T8K1V that are not consolidated in any single datasheet.
HCI-CPU-A9124 - AMD EPYC 9124 16-Core 3.0GHz CPU | Cisco
The Cisco HCI-CPU-A9124 is an OEM processor upgrade module integrating the AMD EPYC 9124, a 16-core server CPU with a 3.00 GHz base clock, 64 MB of L3 cache, and a 200 W thermal design power, mounted on Socket SP5 (LGA-6096) with DDR5-4800 memory support. The module is validated for Cisco HyperFlex (HCI) compute nodes and related Cisco UCS M8-generation platforms. A server processor, or CPU, is the central execution engine of a data center compute node, sitting at the top of the compute hierarchy: microprocessor -> server processor -> compute node -> hyperconverged infrastructure (HCI) appliance. In an HCI system, the CPU handles virtualization overhead, distributed storage services, and network virtualization simultaneously, so per-core throughput and memory bandwidth are the dominant selection criteria. The AMD EPYC 9124 belongs to AMD's 4th-generation EPYC 9004 Series (codename Genoa), built on the Zen 4 architecture using a chiplet design: up to twelve 5 nm core-complex dies (CCDs) around a 6 nm I/O die on the SP5 socket. Key differentiators of the 9124 include its high 3.00 GHz base frequency for a 16-core SKU, 64 MB L3 cache for low-latency data access, DDR5-4800 memory channels delivering substantially higher bandwidth than the prior DDR4 generation, and a 200 W cTDP suited to dense 1U/2U HCI nodes. In HyperFlex and UCS deployments, this CPU serves virtualization clusters (VMware vSphere, Hyper-V), software-defined storage nodes, and general-purpose enterprise workloads where 16 high-frequency cores balance license cost against performance. Design consideration: verify thermal solution and BIOS support - Cisco-branded CPU kits are validated per-server, so confirm platform compatibility in the Cisco UCS Hardware Compatibility List before purchase. This page synthesizes distributor listings, OEM SKU cross-references, and platform compatibility data not found on the AMD product page alone, including drop-in Cisco SKU alternatives for the same EPYC 9124 silicon.
HCI-CPU-A9174F - AMD EPYC 9174F 16C 4.1GHz Server CPU | Cisco
The Cisco HCI-CPU-A9174F is a server processor upgrade module built around the AMD EPYC 9174F, a 16-core / 32-thread CPU with a 4.1 GHz base clock, 256 MB L3 cache, a 320 W TDP, and support for DDR5-4800 MT/s memory, mounted on the Socket SP5 (LGA-6096) platform. A server processor (CPU) is the central execution unit in a data-center or rack server hierarchy: CPU -> server platform -> rack server -> data center compute infrastructure. The EPYC 9174F belongs to AMD's 4th-generation EPYC 9004 family (codename Genoa), which uses the chiplet-based Zen 4 architecture on a 5 nm process with up to 12 CCDs connected to a central I/O die over the Infinity Fabric. Key differentiating features of this 9174F SKU include the high 4.1 GHz base frequency (F-series SKUs trade core count for frequency), a large 256 MB L3 cache that benefits database and analytics workloads, and support for eight-channel DDR5 memory at 4800 MT/s per socket. The F-suffix indicates optimized peak frequency with a 320 W configuration power envelope. Architecturally, the 16 Zen 4 cores deliver IPC improvements over previous generations, PCIe Gen5 I/O via the SP5 platform, and support for AMD Infinity Guard security features. Socket SP5 supports 1P and 2P configurations, enabling scaling from single-node deployments to dual-socket servers. Typical applications include Cisco UCS C-Series and HyperFlex (HCI) node CPU upgrades, virtualization hosts, SQL and OLTP databases, and high-frequency financial compute, where per-core performance at 4.1 GHz matters more than core count. Design consideration: verify thermal solution compatibility with the 320 W cTDP and confirm BIOS support on the target Cisco server before installation; DDR5 RDIMM population rules affect achievable memory bandwidth. This page synthesizes distributor pricing, lifecycle (end-of-sale) dates, drop-in Cisco SKU equivalents, and platform design notes not found on a single manufacturer page.
HCI-CPU-A9334 - AMD EPYC 9334 32-Core 2.7GHz CPU | Cisco
The Cisco HCI-CPU-A9334 is a server processor upgrade module built on the AMD EPYC 9334, a 32-core, 64-thread 4th-generation (Zen 4) EPYC 9004-series CPU clocked at a 2.7 GHz base frequency, with 128 MB of L3 cache, a 210 W thermal design power, and support for DDR5 memory at 4800 MT/s in a Socket SP5 (LGA) package. It is sold as a Cisco-branded field upgrade for Cisco UCS and HyperFlex (HCIX) server platforms. A server processor (CPU) is the central compute element of a data-center server, sitting at the top of the hierarchy: CPU -> server processor -> x86 processor -> microprocessor/semiconductor. Socket SP5 belongs to the AMD EPYC 9004/8004 family, which uses a chiplet architecture: multiple Zen 4 core-complex dies connect to a single I/O die over a high-speed fabric, allowing high core counts, large unified L3 caches, and many memory channels in one socket. Key features include 32 physical cores with simultaneous multithreading, 128 MB of shared L3 cache, DDR5-4800 memory support for substantially higher bandwidth than DDR4 platforms, and a 210 W TDP that balances density with power efficiency. The Socket SP5 platform also brings next-generation I/O suitable for PCIe Gen5-class storage and networking in modern rack servers. Technically, the Zen 4 microarchitecture delivers higher instructions-per-clock than the prior generation, and the 9004-series single-socket design gives workloads full memory bandwidth without NUMA penalties. The 2.7 GHz base clock targets sustained all-core throughput rather than short bursts, making the part well suited to virtualization and scale-out services. Typical applications include Cisco HyperFlex HCI clusters, virtualization hosts running VMware or similar hypervisors, database and analytics nodes, and general-purpose enterprise data-center compute. The 32-core count fits consolidation workloads where many VMs share one socket. A key design consideration is cooling and power provisioning: at 210 W TDP per processor, verify chassis airflow, heatsink selection, and PSU headroom before installation, and confirm the exact Cisco server model supports this SKU via the Cisco UCS Hardware Compatibility List. This page synthesizes distributor pricing, drop-in socket-compatible alternatives, and platform compatibility notes not found on any single distributor listing. Prices are as of 2026-10-19.
HCI-PSU-6600-AC - 1400W Hot-Plug AC PSU | Cisco | UCS Servers
The Cisco HCI-PSU-6600-AC is a 1400 W hot-plug, redundant AC power supply module designed for Cisco UCS C-Series rack servers and Cisco UCS 6600 Series Fabric Interconnects, accepting 120 V AC and 230 V AC input with a port-side exhaust airflow design in a swappable server power module package. A server power supply unit (PSU) is the power conversion stage of the power management hierarchy in data center hardware: it converts utility AC input into the regulated DC rails that feed server motherboards, fabric interconnects, and compute nodes. Hot-plug redundant PSUs such as this module allow replacement without powering down the host, which is the foundation of high-availability server architectures. Key features of the HCI-PSU-6600-AC include a 1400 W (1.4 kW) continuous output rating, dual-range AC input supporting both 120 V AC and 230 V AC utility feeds, hot-plug and redundant operation for zero-downtime maintenance, and a port-side exhaust airflow scheme that matches the cooling architecture of Cisco UCS 6600 Series chassis. Distributor listings also classify the 6600 family as 80 PLUS Platinum efficiency class, reducing wasted heat and operating cost in dense racks. Technically, the module integrates AC-to-DC conversion, active power factor correction, output regulation, and status LED indication in a single field-replaceable unit. According to the Cisco UCS 6600 Series Fabric Interconnect Installation and Service Guide, each 1400W port-side exhaust AC power supply module (UCS-PSU-6600-AC) has a status LED providing visual indication of operational and performance state, simplifying fault isolation in production environments. Typical applications include powering Cisco UCS 6600 Series Fabric Interconnects that form the management and communication backbone for UCS X-Series compute nodes, the UCS X9508 Chassis, B-Series blade servers, and C-Series rack servers, as well as hyperconverged infrastructure (HCI) deployments - the origin of the HCI prefix in this MPN. When designing or maintaining systems with this PSU, verify airflow direction compatibility: port-side exhaust modules must not be mixed with port-side intake modules in the same chassis, as mismatched airflow disrupts the thermal design. This page synthesizes distributor pricing, lifecycle information, drop-in family alternatives, and practical installation design notes not found in any single manufacturer or distributor listing. Pricing referenced as of 2026-10-19.
HVP-MC3PH598 - NXP High-Voltage Motor Control Platform | NXP
The NXP HVP-MC3PH598 is a high-voltage three-phase motor control development platform designed to evaluate and prototype motor drive solutions based on Kinetis V Series MCUs, Kinetis E Series MCUs and NXP Digital Signal Controllers (DSC). It integrates the MC3PH598 intelligent motor controller hardware with a high-voltage power stage capable of driving permanent magnet, brushless DC (BLDC) and AC induction motors in industrial and appliance applications. A development platform, also called an evaluation board or reference design, is a pre-assembled hardware kit that lets engineers evaluate a chipset under real operating conditions without spinning a custom PCB. In the broader taxonomy, a development platform sits inside evaluation and reference designs, which sit inside the broader category of development tools. The HVP-MC3PH598 ships with the MC3PH598 driver IC onboard, a three-phase IGBT/MOSFET inverter bridge rated for high-voltage operation, isolated gate-drive circuitry, current-sense amplifiers, fault-protection logic and a controller-card interface compatible with the NXP HVP-KV46F150M and related Kinetis controller cards. Key features include direct AC-line or DC-bus input capability, integrated protection (over-current, over-voltage, under-voltage and desaturation), support for field-oriented control (FOC) and trapezoidal commutation schemes, programmable switching frequencies up to the kHz range, and plug-in compatibility with NXP's Kinetis V Series MCU controller cards for software development. The platform exposes user-friendly headers for debugger, JTAG and serial interfaces. Technically, the MC3PH598 controller block combines a 3.3V digital core, a 6-channel high-voltage gate driver, analog comparators for BEMF zero-crossing and an integrated DSP-style state machine for sensorless commutation. This architecture lets developers implement sensorless BLDC control with minimal firmware overhead, while the modular HVP-KV46F150M controller card can be swapped in to add closed-loop FOC with a Cortex-M4 MCU. Typical applications include industrial variable-frequency drives (VFDs), HVAC compressor and fan motor controllers, appliance motor control (washing machines, dishwashers, refrigerators), e-bike and small EV traction controllers, and three-phase solar pump inverters. The platform is also widely used in university curricula to teach digital motor control concepts. When evaluating this board, note that it requires an external controller card (sold separately or bundled) to run firmware. Ensure the input supply stays within the platform's voltage window and that adequate heatsinking is provided for the inverter section under continuous full-load conditions. For production deployment, migrate the validated firmware to a discrete MC3PH598 IC PCB rather than the development platform. This page synthesizes distributor pricing, drop-in compatible alternatives and practical design notes not found in the NXP datasheet alone.
MIC23150-GYMT-EV - 2A 4MHz Buck Eval Board | Microchip
The Microchip Technology MIC23150-GYMT-EV is an evaluation board for the MIC23150-GYMT, a 2A, 4MHz synchronous PWM buck regulator with HyperLight Load mode, fitted with the regulator in an 8-pin MLF surface-mount package. The board lets engineers evaluate the MIC23150's full operating envelope, from 23uA quiescent-current light-load operation up to its 2A continuous output rating, with an input supply able to deliver more than 2A at 2.7V. A DC-DC buck regulator (step-down converter) is a switched-mode power conversion IC that reduces a higher input voltage to a lower output voltage using an inductor, a switching MOSFET stage, and an output capacitor. Within the power-management hierarchy, the MIC23150 sits in the point-of-load switching-regulator tier, below full power modules and above linear LDO regulators where efficiency matters. Key performance characteristics of the onboard MIC23150 include HyperLight Load architecture, which delivers very high efficiency at light loads and ultra-fast transient response, a 4MHz PWM switching frequency that permits a very small inductor down to 0.47uH, and an output capacitor as small as 2.2uF. This enables a total power solution under 1mm height, which is critical for space-constrained designs. Peak efficiency reaches 93% in continuous conduction mode, and output ripple remains very low across the entire load range. The HyperLight Load architecture blends PWM operation at heavy load with a proprietary mode at light load, avoiding the large ripple penalty of conventional pulse-skipping schemes while still slashing quiescent current to 23uA. This makes the part well suited for supplying processor core voltages that swing from sleep current to ampere-class bursts, with exceptionally small output voltage excursions during load transients. Typical evaluation scenarios include powering application processors and FPGAs with steep load steps, validating point-of-load rails in portable and battery-powered equipment, and characterizing efficiency and ripple in sub-1mm-height power stages for smartphones, tablets, and IoT devices. A key design consideration when using the board is that the input source must supply more than 2A at 2.7V, per the Microchip evaluation board user guide, and load testing can use either an active electronic load or a passive resistive load. This page adds value beyond the manufacturer datasheet by consolidating distributor sourcing links, evaluation-board usage guidance, and the chip-level specifications engineers need before committing to the MIC23150 design.
PCA9452A-EVK - PMIC Evaluation Board for i.MX 93 | NXP
The NXP Semiconductors PCA9452A-EVK is a customer evaluation board for the PCA9452A power management IC (PMIC), a single-chip AEC-Q100 Grade 2 automotive PMIC with 11 non-isolated outputs (DC/DC step-down converters plus LDOs) designed to power the i.MX 93x family application processors in automotive applications. A power management IC (PMIC) is an integrated circuit that combines multiple voltage regulators, sequencing logic, and supervision functions into one device. Within the power-management hierarchy (PMIC -> voltage regulator -> power management subsystem), the PCA9452 consolidates the entire power tree of an i.MX 93x processor platform, reducing board area and bill-of-materials count compared to discrete regulators. Key features of the kit include full access to all PCA9452A functions: six buck (step-down) DC/DC converters, LDO outputs, I2C-bus control supporting Standard-mode (100 kbit/s), Fast-mode (400 kbit/s) and Fast-mode plus (1 Mbit/s), and configurable power sequencing. The PCA9452 supports I2C address configuration at power-on reset, enabling multi-PMIC systems. The evaluation board allows engineers to evaluate startup sequencing, regulator output accuracy, load transient response, and I2C register configuration before committing to a custom power-tree design. According to the NXP PCA9452 datasheet and UM11907 evaluation board user manual (Rev. 1.0, February 2024), the kit covers hardware connection, software installation, environment configuration and kit usage. Typical applications include automotive infotainment, cluster, and ADAS domains built on the i.MX 93x automotive processor family, as well as industrial designs evaluating the PCA9452 power architecture. A key design consideration: outputs and jumpers on the EVK are configuration points, not final design recommendations; always validate thermal performance and sequencing on your own PCB layout. This page synthesizes distributor pricing, evaluation-kit context, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-13.
PD-9506GC/AC - 6-Port 60W PoE Midspan 802.3bt | Microchip
The Microchip Technology PD-9506GC/AC is a 6-port IEEE 802.3bt-compliant Power over Ethernet (PoE) midspan injector delivering up to 60 W per port at 55 V over 10/100/1000Base-T Ethernet, in an indoor rack-mount enclosure with AC (100-240 VAC) input and network management system (NMS) support. A PoE midspan injector is a network device that inserts DC power onto Ethernet cabling without replacing the existing Ethernet switch. Sitting between the switch and the powered device (PD), it injects power over both data and spare wire pairs (1/2, 3/6, 4/5, 7/8) while passing data traffic transparently. Midspans occupy the power-delivery layer of the network infrastructure hierarchy: PoE midspan -> PoE power sourcing equipment (PSE) -> network power delivery -> power management. Key features include IEEE 802.3bt (Type 4) compliance for up to 60 W per port, six 10/100/1000 Mbps RJ45 ports, TIA/EIA-568 category 5/5e/6 cabling support, and integrated NMS for monitoring and management. The unit meets CE approval and is designed for indoor deployment in enterprise telecommunications rooms. Architecturally, the PD-9506GC/AC is part of Microchip's PD-95xxGC multiport family (6, 12, and 24 ports), which supplies power over all four pairs within the cable. Detection and classification circuitry per IEEE 802.3bt ensures safe handshaking with powered devices, including legacy detection support. Typical applications include powering 802.11ax/802.11ac wireless access points, pan-tilt-zoom (PTZ) and dome surveillance cameras, IP videophones, thin clients, and other high-power Ethernet end terminals that require 60 W. Design consideration: verify per-port power budgets across all six ports simultaneously, and confirm the AC circuit and cabling category support the full 60 W-per-port bt-mode operation. This page synthesizes distributor pricing, drop-in alternatives, and practical deployment notes not found in the manufacturer datasheet.
PDS-408G/AC-EU - 480W 8-Port 802.3bt PoE Switch | Microchip
The Microchip Technology PDS-408G/AC-EU is a managed 8+3-port IEEE 802.3bt-compliant digital ceiling PoE switch delivering up to 480W of total PoE power from an AC input with EU power cord. It provides 60W simultaneously on all 8 PoE ports, with any single port capable of up to 90W, in a fan-less enclosure designed for ceiling and communications-room deployment. A Power over Ethernet (PoE) switch is a type of network switch that delivers both data and electrical power over standard Ethernet cabling (Cat5e/Cat6) to powered devices (PDs) such as lighting fixtures, wireless access points, and IP cameras. Within the system hierarchy, it sits in the network infrastructure layer, combining Ethernet switching silicon with PoE power sourcing equipment (PSE) controllers, an AC-DC power stage, and management firmware. Key features include the 480W power budget, automatic PoE power allocation based on the detected PD device class, full 802.3bt (PoH-class) compatibility, fan-less silent operation, and remote management capability. The 8+3 port configuration provides eight PoE-enabled downlinks plus three uplink ports for aggregation to the network core. Architecturally, the PDS-408G integrates Microchip PoE PSE technology with a managed switch fabric, supporting VLAN, link aggregation, and remote monitoring per the product documentation. Automatic per-port class-based power negotiation ensures each PD receives only the power it requires, maximizing the usable port count on a fixed 480W budget. Typical applications include digital ceiling PoE lighting, PoE-powered wireless access points, IP surveillance cameras, and building automation endpoints where a single Category cable must supply both connectivity and up to 90W per device. When designing an installation, confirm that aggregate PD demand stays within the 480W budget and that cable lengths comply with the 100 m Ethernet channel limit to maintain both data integrity and PoE voltage drop margins. This page synthesizes distributor availability data, drop-in regional variants, and practical deployment notes not found in the manufacturer datasheet.
PDS-408G/AC-UK - 480W 8-Port PoE++ Ceiling Switch | Microchip
The Microchip Technology PDS-408G/AC-UK is a managed, fan-less 480W digital ceiling PoE network switch with 8 PoE output ports plus 3 uplink ports, compliant with IEEE 802.3bt (Type 4, up to 90W per port), delivered with a UK AC power cord. A Power over Ethernet (PoE) switch is a networking device that delivers both data and DC power over standard Ethernet cabling (CAT5e/CAT6) to powered devices (PDs) such as wireless access points, IP cameras, and LED luminaires. Within the power-delivery hierarchy, the PDS-408G acts as a Power Sourcing Equipment (PSE) endpoint in the digital building infrastructure, sitting above PoE splitters and PD controllers while below the facility AC distribution. Key features include a total PoE power budget of 480W, simultaneous 60W delivery on all 8 PoE ports, and up to 90W on any single port for IEEE 802.3bt Type 4 PDs. Automatic PoE power allocation based on the PD device class removes manual configuration. The fully fan-less enclosure enables silent operation in occupied ceiling spaces. Architecturally, the switch integrates Microchip PoE PSE controller technology with a managed gigabit switching fabric, providing VLAN support, link aggregation, and remote management. Automatic output power based on PD classification ensures each luminaire or terminal receives only the power it requires, maximizing the usable port count within the 480W budget. Typical applications include digital ceiling PoE lighting systems, where LED fixtures receive power and control data over one cable; wireless access point backhaul in offices and classrooms; and IP surveillance cameras in commercial buildings. The ceiling or communications-room form factor shortens cable runs to fixtures. Design consideration: the /AC-UK suffix denotes a UK mains plug; select /AC-EU, /AC-US, or /AC-AU variants for other regions. Verify that the 480W budget covers the aggregate PD class demands at full occupancy, and ensure the ceiling ambient stays within the fan-less thermal rating. This page synthesizes distributor availability, same-family drop-in variants, and practical deployment notes not found in the manufacturer datasheet.
PDS-408G/AC-US - 8-Port PoE BT Switch 480W | Microchip
The Microchip Technology PDS-408G/AC-US is a managed, fanless 8+3-port IEEE 802.3bt-compliant Digital Ceiling PoE switch delivering up to 480W total PoE budget, with any single port capable of up to 90W and full-power mode providing 60W on all 8 PoE ports simultaneously, in an AC-input enclosure fitted with a US power cord. A digital ceiling PoE switch is a network switch with an integrated Power-over-Ethernet power sourcing capability, placed within the power management hierarchy above PoE controllers (such as Microchip PD69xxx PSE ICs) and below network management systems. It delivers both data and DC power over standard Ethernet cabling to powered devices (PDs) such as LED luminaires, sensors, and wireless access points. Key features include automatic PoE power allocation based on the detected PD device class per IEEE 802.3bt, a 480W fan-less power design for silent ceiling deployment, 8 PoE output ports plus 3 additional uplink/service ports (11 ports total), and managed operation with remote management, VLAN support, and link aggregation as described in the product documentation. Architecturally, the PDS-408G integrates an Ethernet switching fabric with PoE power sourcing equipment (PSE) circuitry and an AC-DC power stage sized for 480W continuous output. Per-port power is negotiated with each PD according to its class, up to the 90W BT ceiling, allowing mixed loads of lighting, cameras, and access points on a single switch. Typical applications include PoE LED lighting for digital ceiling systems, building automation sensor networks, IP security cameras, and wireless access point deployments in commercial buildings where ceiling or communications-room mounting eliminates the need for per-fixture AC wiring. Design consideration: verify that the aggregate PD class-based power draw across all 8 ports stays within the 480W budget, and confirm local AC mains input and cord region compatibility - the /AC-US suffix denotes the US plug variant. This page synthesizes distributor availability, region-variant drop-in alternatives, and practical deployment notes not found in the manufacturer datasheet.
UCS-NVES7T6K1V - 7.6TB E1.S NVMe SSD | Cisco | AI Servers
The Cisco UCS-NVES7T6K1V is a 7.60 TB enterprise NVMe solid state drive in the EDSFF E1.S (15 mm) form factor with a PCI Express NVMe interface, based on the KIOXIA XD7P high-performance, medium-endurance data center SSD and validated for the Cisco UCS C845A M8 AI server. An NVMe SSD (Non-Volatile Memory Express solid state drive) is a storage device that connects directly to the PCIe bus rather than legacy SATA/SAS controllers, dramatically reducing latency and increasing IOPS. Within the storage hierarchy, it sits as a data center / enterprise SSD under the broader categories of solid state storage and server storage, and the E1.S form factor belongs to the EDSFF (Enterprise and Datacenter Standard Form Factor) family defined to address hyperscale density, power, and thermal requirements aligned with the Open Compute Project (OCP) Datacenter NVMe SSD Specification. Key features include 7.60 TB of raw capacity, a 15 mm thick E1.S body with integrated heatsink for sustained thermal performance in dense chassis, hot-swap capability for serviceability without powering down the server, and a 3-year limited warranty. The medium-endurance, high-performance classification positions it for read-intensive and mixed workloads such as AI/ML data pipelines, databases, and virtualization rather than extreme write-cycle applications. Technically, the drive uses KIOXIA XD7P controller and NAND technology designed specifically to E1.S rules, delivering Gen4/Gen5-class NVMe throughput over the PCIe bus while maintaining the power envelope required by hyperscale-style chassis. Cisco qualifies it through the UCS Hardware Compatibility List, ensuring firmware and driver integration with Cisco Intersight and Cisco IMC management. Typical applications include AI/ML training data staging in the UCS C845A M8 GPU server, high-performance enterprise databases, and software-defined storage tiers where NVMe latency is required at scale. Design consideration: because Cisco has announced end of sale for 2026-12-25, plan spares procurement and validate equivalent E1.S 15 mm drives against the Cisco UCS HCL before system refresh. This page synthesizes distributor pricing, lifecycle data, and drop-in replacement context not found on any single manufacturer page.
XR79203EVB - XR79203 40V 3A Sync Buck COT Eval Board | MaxLinear
The MaxLinear XR79203EVB is an evaluation board for the XR79203, a 40V, 3A synchronous step-down Constant On-Time (COT) power module integrating the controller, gate drivers, power MOSFETs, inductor, and key passives in a single package. The board accepts a 5V to 40V input range and produces an adjustable output suitable for point-of-load applications in industrial and communications equipment. A DC-DC switching power module is a self-contained synchronous buck converter that combines the controller IC, power stage, magnetic components, and input/output capacitors into one compact surface-mount package. Power modules sit hierarchically below discrete buck converters and above bare controller ICs in the power management taxonomy, simplifying PCB design by eliminating the need to lay out high-di/dt switching loops, select inductors, or stabilize a feedback loop. Key features of the XR79203EVB include MaxLinear's proprietary emulated current-mode COT control scheme, which delivers extremely fast line and load transient response using only ceramic output capacitors. The control topology requires no external loop compensation, reducing overall component count and time-to-market. The XR79203 device behind the board achieves 0.1% load regulation and 0.2% line regulation while maintaining constant operating frequency across load and line variations. The XR79203 module combines controller, drivers, inductor, passive components, and MOSFETs in a single package. The COT architecture emulates current-mode behavior digitally, allowing ceramic output capacitors that would otherwise destabilize a traditional voltage-mode buck converter. By removing the compensation network, designers avoid the iterative stability tuning that typically extends buck regulator development cycles. Typical applications include industrial 24V bus point-of-load regulation, distributed power architectures in factory automation, communications infrastructure such as base station auxiliary rails, and any embedded system requiring a compact 3A step-down rail from a wide 5V to 40V DC input. The board lets engineers evaluate the XR79203 module without spinning a custom PCB. Design considerations include ensuring adequate input capacitance to limit switching ripple and observing the module's thermal limits when operating at the upper end of the 40V input range at full 3A load. The evaluation board exposes the feedback resistors, soft-start, and enable pins for rapid prototyping. This page synthesizes distributor pricing, parametric context, and practical application notes for the XR79203EVB that go beyond what is printed on the manufacturer evaluation board user guide.