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Samsung Electronics

K4RAH165VB-BIQK - DDR5 16Gb 4800Mbps SDRAM | Samsung

N.º da peça: K4RAH165VB-BIQK ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.1 V Vdss DDR5 SDRAM Memory
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Preço atualizado: 2026-09-03
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K4RAH165VB-BIQK Visão geral

The Samsung K4RAH165VB-BIQK is a 16 Gb DDR5 SDRAM component with a 1G x 16 organization, a data rate of 4800 Mbps, and a core operating voltage of 1.1V, housed in a ball-grid-array (BGA) package.

DDR5 SDRAM is the fifth generation of double-data-rate synchronous dynamic random-access memory. It succeeds DDR4 by delivering higher bandwidth, greater on-die capacities, and roughly 30% better power efficiency per bit. A DDR5 device integrates its own power management architecture, on-die ECC, and decision-feedback equalization to maintain signal integrity at multi-gigabit data rates, making DDR5 the foundation of the memory hierarchy in modern computing platforms.

Key features of the K4RAH165VB-BIQK include its 16 Gb density in a x16 bus width configuration, DDR5-4800 operation, and an industrial temperature rating implied by the BI speed/temp code suffix. On-chip error correction code (ECC) improves reliability by detecting and correcting internal bit errors without host overhead. Supporting functions documented for the K4RAH165VB family include auto self-refresh, asynchronous reset, write leveling, CRC, and ZQ calibration, all of which are required for stable high-speed operation in DDR5 subsystems.

Architecturally, this device belongs to Samsung's 16Gb DDR5 (B-die class) portfolio, which per Samsung extends data rates up to 7200 Mbps across 16 Gb and 32 Gb generations. The 1.1V VDD supply lowers dynamic power versus the 1.2V DDR4 generation, while bank-group parallelism sustains effective bandwidth at 4800 MT/s transfers.

Typical applications include DDR5 memory modules (SODIMM/UDIMM) for client PCs and notebooks, memory-down designs in industrial computing, and high-performance embedded systems where bandwidth and efficiency are critical.

Design consideration: DDR5 routing requires careful length matching, reference voltage tracking, and PMIC-based power sequencing; consult the full Samsung DDR5 device operation datasheet for timing and thermal guidance.

This page synthesizes distributor inventory, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, with pricing available via RFQ as of 2026-09-04.

Alternativas drop-in para K4RAH165VB-BIQK — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com K4RAH165VB-BIQK (mesmo formato e footprint) — diferindo em Data Rate, Package, Interface, Operating Temperature, RoHS Status.

Samsung Electronics
Data Rate: 4800 Mbps (DDR5-4800)
Package: FBGA-82
Interface: Parallel
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Data Rate: 5600 Mbps
Package: FBGA-82
Interface: DDR5 (parallel)
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Data Rate: 4800 Mbps/pin
Package: 82FBGA
Interface: DDR5 (CA reduced pin count)
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Data Rate: 4800 Mbps
Package: 106-ball FBGA
Operating Temperature: 0C to +85C
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Package: FBGA-106
Operating Temperature: 0C to +85C
RoHS Status: Compliant
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Data Rate: 5600 Mbps
Package: 106-ball FBGA
Operating Temperature: 0C to +85C
Comparar com K4RAH165VB-BIQK →
Samsung Electronics
Data Rate: 7200 Mbps per pin
Package: 102-ball FBGA
Interface: JEDEC DDR5
Comparar com K4RAH165VB-BIQK →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

K4RAH165VB-BCQK

✅ Drop-In
Samsung Electronics
📦 [DATA_NEEDED: exact package ball count / FBGA designation]
DDR5 SDRAM · 16 Gb · 1G x 16 · Parallel · 4800 Mbps · 1.1 V · On-die ECC · Auto self-refresh, asynchronous reset, on-chip ECC, write leveling, CRC, ZQ calibration

✓ Em estoque

Consulte o preço

Ver ficha técnica →

K4RAH165VB-BCWM

✅ Drop-In
Samsung Electronics
📦 [DATA_NEEDED: exact package ball count / FBGA designation]
DDR5 SDRAM (volatile DRAM) · 16 Gb · 1G x 16 · Parallel · 1.1 V · DDR5 · FBGA-106 · Surface Mount

✓ Em estoque

$9.92 / unidade

Ver ficha técnica →

K4RAH086VB-BIQK

✅ Drop-In
Samsung Electronics
📦 [DATA_NEEDED: exact package ball count / FBGA designation]
DDR5 SDRAM · 16 Gb · 2G x 8 · 4800 Mbps/pin · 1.1 V (nominal) · 82FBGA · X8 · BIQK (-BIQK bin)

✓ Em estoque

$4.25 / unidade

Ver ficha técnica →

K4RAH086VB-BCQK

✅ Drop-In
Samsung Electronics
📦 [DATA_NEEDED: exact package ball count / FBGA designation]
DDR5 SDRAM · 16 Gb · 2G x 8 · 4800 Mbps (DDR5-4800) · 2400 MHz · 1.1 V · Parallel · FBGA-82

✓ Em estoque

$41.0156 / unidade

Ver ficha técnica →

K4RAH086VB-BCWM

✅ Drop-In
Samsung Electronics
📦 [DATA_NEEDED: exact package ball count / FBGA designation]
DDR5 SDRAM · 16 Gb · 2G x 8 · 5600 Mbps · 1.1 V · DDR5 (parallel) · FBGA-82 · Surface Mount

✓ Em estoque

$44.5455 / unidade

Ver ficha técnica →

K4RAH165VB-BIQK Classificações máximas e características elétricas

Tipo de memória DDR5 SDRAM
Density 16 Gb
Organização da memória 1G x 16
Taxa de dados 4800 Mbps (MT/s)
Supply Voltage (VDD) 1.1 V
On-Die ECC Yes
Auto Self-Refresh Yes
Asynchronous Reset Yes
Write Leveling Yes
CRC Function Yes
ZQ Calibration Yes
DLL Enabled Mode Yes (spec mode per datasheet)
Marca Samsung Semiconductor

Guia de Configuração de Pinos do K4RAH165VB-BIQK standard

Configuração de pinos para K4RAH165VB-BIQK (pacote standard). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.

Diagrama de pinagem do pacote standard para K4RAH165VB-BIQK

Nenhum dado detalhado de pinagem disponível para K4RAH165VB-BIQK.

Consulte a ficha técnica para a configuração completa dos pinos.

Aplicações típicas

K4RAH165VB-BIQK é adequado para 6 aplicaçãos: DDR5 Memory Modules (SODIMM/UDIMM), Client PC and Notebook Memory-Down, Industrial Computing and Edge Servers, High-Performance Computing Systems, Consumer Electronics and Set-Top Platforms, Networking and Communication Equipment.

🖥️

DDR5 Memory Modules (SODIMM/UDIMM)

The K4RAH165VB-BIQK is a primary building block for next-generation DDR5 memory modules. Its 16 Gb density and 1G x16 organization match the standard IC population of DDR5 SODIMMs used in notebooks and small-form-factor PCs, while the 4800 Mbps data rate delivers the bandwidth headroom DDR5 platforms expect. On-die ECC improves module-level reliability without host overhead, and the 1.1 V operation supports the module PMIC power budget. Mounted on module PCBs, the device relies on the module's address/command bus termination and ZQ calibration for signal integrity at speed. Distributor data confirms K4RAH165VB devices are found on shipping notebook memory modules.

📱

Client PC and Notebook Memory-Down

In motherboard memory-down designs, the K4RAH165VB-BIQK replaces SO-DIMM sockets with on-board DRAM, saving height and improving signal integrity. Its 16 Gb per-device density allows 8 GB to 16 GB system memory from a handful of components, and the BI industrial grade gives margin over commercial bins for thermally constrained notebook enclosures. The 4800 Mbps rate matches the JEDEC DDR5-4800 memory controller capability of current client SoCs, while 1.1 V VDD reduces platform power. Designers should follow Samsung's routing guidance for length-matched address/command and DQ fly-by topologies documented in the DDR5 device operation datasheet.

🏭

Industrial Computing and Edge Servers

Industrial PCs, edge servers, and factory automation controllers benefit from the BI (industrial) grade of the K4RAH165VB-BIQK, which offers qualification margin beyond commercial bins. DDR5's on-die ECC addresses soft-error reliability in electrically noisy factory environments, and the asynchronous reset feature enables deterministic recovery after brownout events. The 16 Gb density supports memory-hungry workloads such as machine-vision buffering and protocol processing, while 1.1 V operation eases thermal design in sealed fanless enclosures. DDR5's roughly 30% power-efficiency gain over DDR4 further reduces cooling requirements in conduction-cooled industrial systems.

🖥️

High-Performance Computing Systems

The K4RAH165VB-BIQK serves high-performance computing systems where bandwidth and efficiency are critical, as noted in verified distributor documentation. At DDR5-4800, each x16 device contributes substantial per-pin bandwidth, and multi-channel memory controllers aggregate this into platform-level throughput for compute nodes. Samsung's DDR5 portfolio extends to 7200 Mbps and 32 Gb densities, giving designers an upgrade path on the same platform architecture. On-die ECC maintains data integrity under sustained full-bandwidth loads typical of scientific and AI workloads, and ZQ calibration plus write leveling keep DQ lines calibrated across dense multi-rank board layouts.

📺

Consumer Electronics and Set-Top Platforms

Smart TVs, set-top boxes, and gaming peripherals moving to DDR5-class SoCs use 16 Gb x16 DDR5 devices like the K4RAH165VB-BIQK for main system memory. The 4800 Mbps rate supports 4K and 8K video frame buffering, and the 1G x16 organization aligns with the wide low-pin-count buses common in consumer SoCs. On-die ECC reduces display glitches from random bit errors, important in always-on video applications. The commercial-grade BCQK/BCWM variants of the same die allow cost optimization in consumer builds, while the BI grade of this part suits premium or thermally aggressive consumer products such as consoles.

🌐

Networking and Communication Equipment

Routers, switches, and 5G small-cell equipment require high-bandwidth packet buffering and control-plane memory, an area where the K4RAH165VB-BIQK fits well. Its 4800 Mbps data rate supports the sustained streaming workloads of packet buffers, while on-die ECC protects against uncorrected bit errors in telecom environments that demand carrier-grade uptime. The asynchronous reset input allows the system to recover the DRAM quickly after watchdog-triggered resets without full power cycling. The BI industrial temperature grade supports outdoor and unventilated telecom enclosures, and the 1.1 V rail integrates cleanly with modern low-voltage networking power trees.

What is the Samsung K4RAH165VB-BIQK?
The K4RAH165VB-BIQK is a Samsung 16 Gb DDR5 SDRAM component organized as 1G x 16, operating at 4800 Mbps with a 1.1 V supply. According to the Samsung DDR5 16Gb x16 datasheet (Rev 1.9, K4RAH165VB family), the device supports DLL-enabled operation, on-die ECC, auto self-refresh, asynchronous reset, write leveling, CRC, and ZQ calibration. It is used in DDR5 modules and memory-down designs for computing and industrial systems.
What is the data rate and voltage of K4RAH165VB-BIQK?
The K4RAH165VB-BIQK operates at a 4800 Mbps (DDR5-4800) data rate from a 1.1 V supply. This aligns with the JEDEC DDR5 generation baseline speed class for the first wave of DDR5 platforms. The 1.1 V VDD is a headline DDR5 advantage, delivering roughly 30% better power efficiency per bit than DDR4 at 1.2 V, per Samsung's DDR5 portfolio page.
Where to buy K4RAH165VB-BIQK online?
The K4RAH165VB-BIQK is listed by multiple distributors and brokers including icDirectory (in stock as of Aug 03, 2026), Octopart Canada (16,220 pcs as of Aug 03, 2026), elementhk-ic, AIChipLink, and Kinnotek. XAIPART supplies this part on an RFQ basis; final pricing depends on quantity, date code, and destination. Request a quote from the XAIPART product page for a current market quote.
What is the price of K4RAH165VB-BIQK?
Pricing for the K4RAH165VB-BIQK is quote-based (RFQ) as of 2026-09-04. Verified web data shows broker listings with reference prices as low as $0 placeholders (Kinnotek) and AIChipLink explicitly stating that final price depends on requested quantity, supply conditions, date code, and package option. No fixed tier pricing from authorized distributors is available in the verified data; contact XAIPART for a live quote.
What is the best drop-in replacement for K4RAH165VB-BIQK?
The best same-brand drop-in replacement is the Samsung K4RAH165VB-BCQK. Web sources including LCSC, Octopart, and Taiwan repair-community reports identify the BCQK variant as a drop-in replacement for K4RAH165VB parts, sharing the same 16 Gb, x16, DDR5 B-die package and pinout. The key difference is the speed/temperature grade suffix: BCQK is a commercial-grade speed bin versus the BI industrial grade, so verify timing grades against your application.
Is K4RAH165VB-BIQK the same as K4RAH165VB-BCQK?
No, they are the same die and package but different grade suffixes. Both are Samsung 16 Gb DDR5 x16 (1G x16) devices in the K4RAH165VB family. The BI suffix in K4RAH165VB-BIQK denotes an industrial temperature/speed grade, while BCQK denotes a commercial grade. motherboard repair shops in Taiwan list BCQK variants as drop-in replacements for K4RAH165VB modules, confirming footprint and pin compatibility; always confirm the speed bin meets your controller's timing requirements.
K4RAH165VB-BIQK vs K4RAH165VB-BCWM - which is better?
Both are Samsung 16 Gb DDR5 x16 parts in the same package, differing only in grade suffix. The BIQK carries a BI (industrial-class) grade designation, while BCWM is a commercial-grade bin per Samsung's suffix scheme. For industrial or extended-temperature environments, the BIQK is the safer choice; for cost-optimized consumer or client-PC designs, the BCWM typically offers better availability and pricing. Octopart Canada provides a direct parameter comparison page for these two MPNs.
Can K4RAH086VB-BIQK replace K4RAH165VB-BIQK?
Not as a true drop-in for all designs: the K4RAH086VB-BIQK is a 16 Gb class device in the x8 organization variant of the same Samsung DDR5 family, while the K4RAH165VB-BIQK is x16. The ballout differs between x8 and x16 DDR5 components, so a PCB designed for the x16 part cannot host the x8 part without redesign. Use it only if your memory controller and layout support the x8 organization, otherwise choose an x16 family variant such as K4RAH165VB-BCQK.
Where to download the K4RAH165VB-BIQK datasheet PDF?
The Samsung DDR5 16Gb x16 (K4RAH165VB) datasheet is available as a PDF, currently at revision 1.9, hosted by UTTC (uttc.com.tw). Note that this is an abstract of the full DDR5 specification and does not cover common features, which are described in the separate Samsung DDR5 Device Operation datasheet. Both documents are reachable from Samsung Semiconductor's official DDR5 page at semiconductor.samsung.com/dram/ddr/ddr5.
Where can I find the K4RAH165VB-BIQK pinout?
The full ball map (pinout) of the K4RAH165VB-BIQK is defined in the Samsung DDR5 16Gb x16 datasheet (Rev 1.9) in its ballout section. Because this is a BGA DDR5 component, the pin assignment follows the JEDEC DDR5 x16 ballout rather than a conventional numbered pin list, and this page does not reproduce a per-ball diagram. Download the datasheet PDF from the link on this page to view the complete ball assignment tables.
Is K4RAH165VB-BIQK suitable for notebook memory modules?
Yes. The K4RAH165VB-BIQK is commonly used in next-generation DDR5 memory modules and high-performance computing systems, per distributor documentation (sourcememorychips.com). Its 16 Gb density and 1G x16 organization match the IC configuration of DDR5 SODIMM modules for notebooks. Its on-die ECC, 4800 Mbps data rate, and 1.1 V operation provide the bandwidth and power efficiency demanded by mobile platforms, and AliExpress marketplace data confirms K4RAH165VB devices are found on notebook DRAM.
What are the key specifications of K4RAH165VB-BIQK engineers should know?
Engineers should know: Samsung K4RAH165VB-BIQK, 16 Gb DDR5 SDRAM, organization 1G x 16, data rate 4800 Mbps, VDD 1.1 V, BGA package, with on-die ECC, auto self-refresh, asynchronous reset, write leveling, CRC, and ZQ calibration. Per the Samsung K4RAH165VB Rev 1.9 datasheet, specified timing applies to DLL-enabled mode. Alternative grades BCQK/BCWM share the same die and footprint.
What is the lead time and stock status for K4RAH165VB-BIQK?
Stock is healthy in the open market: icDirectory reported in stock and Octopart Canada reported 16,220 pcs, both updated Aug 03, 2026. Broker lead times are typically short when stock is listed, but XAIPART confirms exact lead time at RFQ since it depends on quantity and date code. For production volumes, request a quote so XAIPART can confirm factory lead time from Samsung's authorized channel.
Does the K4RAH165VB-BIQK support on-die ECC?
Yes, the K4RAH165VB-BIQK includes on-chip error correction code (ECC). Per the LCSC product listing for the K4RAH165VB family, on-die ECC is a standard feature, alongside auto self-refresh, asynchronous reset, write leveling, CRC, and ZQ calibration. On-die ECC corrects internal single-bit errors within the DRAM before data reaches the bus, improving reliability at DDR5 speeds without requiring host-side ECC bandwidth overhead.

Dados de referência de engenharia para K4RAH165VB-BIQK — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the Samsung K4RAH165VB-BIQK when you need a 16 Gb DDR5 x16 device in an industrial (BI) grade for notebooks, modules, industrial computing, or networking platforms running at DDR5-4800. Choose K4RAH165VB-BCQK or K4RAH165VB-BCWM when cost and availability matter more than the industrial grade - they share the same die and footprint, and repair-industry sources list BCQK as a drop-in substitute for K4RAH165VB parts. Choose the K4RAH086VB-BIQK (x8) only when your controller and layout support an x8 bus, since ballouts differ from x16 parts. If your platform is still DDR4, select from the K4A4G085WF or K4A8G085WB DDR4 families instead. Always verify the speed bin and temperature grade against your memory controller specification before finalizing the BOM.

Comparação com alternativas

Parâmetro Este produto K4RAH165VB-BCQK K4RAH165VB-BCWM K4RAH086VB-BIQK
Brand Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics
Density 16 Gb 16 Gb 16 Gb 16 Gb
Organization 1G x 16 1G x 16 1G x 16 2G x 8
Memory Type DDR5 SDRAM DDR5 SDRAM DDR5 SDRAM DDR5 SDRAM
Supply Voltage 1.1 V 1.1 V 1.1 V 1.1 V
Grade Suffix BI (industrial class) BC (commercial) BC (commercial) BI (industrial class)

Principais diferenciais

  • Industrial (BI) grade for extended qualification margin (vs K4RAH165VB-BCQK)
  • DDR5 generation efficiency and bandwidth (vs K4A8G085WB)
  • x16 bus width simplifies wide low-component-count buses (vs K4RAH086VB-BIQK)

Notas de projeto

DDR5-4800 operation leaves tight timing margins on address/command and DQ nets. Follow Samsung's device operation datasheet routing guidance: fly-by address/command topology with per-DIMM or per-device termination, length-matched DQ/DM/DQS within package skew allowances, and reference voltage (VDDQ) tracking. Enable write leveling and ZQ calibration during controller initialization; both are supported features of the K4RAH165VB family. Simulate eye diagrams at 4800 MT/s with the actual stackup before committing the PCB.

The K4RAH165VB-BIQK operates from a 1.1 V supply family typical of DDR5. DDR5 platforms require a dedicated PMIC (on modules per JEDEC, or on-board in memory-down designs) to supply and sequence VDD/VDDQ rails. Verify peak refresh current during all-bank auto-refresh bursts when sizing the power tree, and account for self-refresh current in low-power states. The 1.1 V generation improves efficiency roughly 30% over DDR4, but multi-rank designs still need solid plane allocation and bulk decoupling near each device.

Do not confuse family suffixes: K4RAH165VB (x16) and K4RAH086VB (x8) parts have different ballouts and are not interchangeable on the same footprint. Likewise, BI vs BC grade suffixes indicate different speed/temperature bins - verify the bin against your memory controller's supported timing table before substitution. Also note the UTTC-hosted K4RAH165VB datasheet is an abstract covering DLL-enabled mode only; common operational features are documented in Samsung's separate Device Operation datasheet, which should be read together with it.

Informações de conformidade

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sem chumbo
Unknown
Sem halogênios
Unknown
Minerais de conflito
Unknown

Compliance data not present in verified web data; consult Samsung Semiconductor's official product page and environmental reports for RoHS/REACH status.

Dados verificados em: 2026-09-04 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

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Componentes & termos relacionados

Samsung Electronics Samsung Semiconductor K4RAH165VB-BIQK K4RAH165VB-BCQK K4RAH165VB-BCWM K4RAH086VB-BIQK DDR5 SDRAM DRAM double data rate memory on-die ECC auto self-refresh write leveling ZQ calibration BGA package DDR5-4800 1G x 16 organization 1.1 V VDD RoHS JEDEC DDR5 SODIMM memory module memory-down design industrial computing high-performance computing
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