M321R4GA0PB2-CCP - 32GB DDR5-6400 ECC RDIMM | Samsung
부품 번호: M321R4GA0PB2-CCP ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
M321R4GA0PB2-CCP 개요
A registered DIMM (RDIMM) is a server memory module that buffers the address and command signals through a register chip before they reach the DRAM devices. This buffering reduces the electrical load on the memory controller, enabling higher module counts per channel and greater total capacity in servers and workstations. RDIMMs sit within the DDR5 SDRAM module hierarchy: DRAM device -> FBGA-packaged die -> registered DIMM -> memory subsystem, and they differ from LRDIMMs (which buffer data as well) and UDIMMs (which have no buffering).
Key features of the M321R4GA0PB2-CCP include 32GB capacity organized as 4G x 72 (including 8 bits of ECC per 64-bit word), DDR5-6400 operation at CL52 latency, on-die ECC plus side-band ECC checking, and 1.1V operation aligned with the JEDEC DDR5 standard for reduced power per bit versus DDR4. The module uses twenty 4G x 4 DDR5 DRAM devices in FBGA packages, giving a single-rank x4 topology that the memory controller addresses as one rank.
Technically, DDR5 moves the power management from the motherboard to an on-module PMIC (12V to 1.1V conversion), improving signal integrity and power efficiency. Dual 32-bit sub-channels per module improve effective bandwidth and reduce contention. The -CCP speed bin denotes the 6400 MT/s grade, delivering 51.2 GB/s peak bandwidth per channel pair.
Typical applications include enterprise servers, edge compute nodes, low virtual-machine-density hosts, workstations, and general-purpose data center platforms from Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro using Intel Xeon or AMD EPYC processors with DDR5 memory controllers.
A key design consideration: RDIMMs must only be mixed with other RDIMMs of the same generation on a channel; they cannot be combined with UDIMMs or LRDIMMs, and maximum supported speed depends on the CPU memory controller and populated channel configuration.
This page synthesizes distributor pricing and availability data, JEDEC-compliant drop-in alternatives from multiple vendors, and practical deployment notes not consolidated in the manufacturer documentation.
드롭인 대체품: M321R4GA0PB2-CCP — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: M321R4GA0PB2-CCP (동일 폼 팩터 및 풋프린트) — 차이점: Data Rate, ECC, Module Type, Organization, Memory Type.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
M321R4GA3EB2-CCP
✅ 드롭인✓ 재고 있음
$259 / 개
데이터시트 보기 →M321R4GA0EB2-CCP
✅ 드롭인✓ 재고 있음
$1324.6154 / 개
데이터시트 보기 →M321R4GA3EB2-CWM
✅ 드롭인✓ 재고 있음
$1260 / 개
데이터시트 보기 →M321R2GA3PB2-CCP
✅ 드롭인✓ 재고 있음
$70.35 / 개
데이터시트 보기 →MR51200-314K1-M321R4GA0PB2-CCP-V27
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
A-Tech 32GB DDR5-6400 ECC RDIMM
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
M321R4GA0PB2-CCP 최대 정격 & 전기적 특성
| Capacity | 32 GB (1 x 32 GB) |
| 메모리 유형 | DDR5 SDRAM |
| Module Type | 288-pin RDIMM (ECC Registered) |
| Speed | 6400 MT/s (PC5-51200) |
| CAS 레이턴시 | CL52 |
| Operating Voltage | 1.1 V |
| Configuration | 1Rx4 (single rank, x4) |
| 메모리 구성 | 4G x 72 |
| DRAM Devices | 20 x 4G x 4 DDR5 DRAM, FBGA package |
| ECC | ECC Registered (on-die ECC + side-band) |
| Form Factor | 288-pin DIMM |
| Bandwidth | 51.2 GB/s peak (PC5-51200) |
| Rank | Single Rank |
| Compliance | 100% JEDEC compliant |
| Compatible Platforms | Dell, HPE, Lenovo ThinkSystem, Supermicro (Xeon / EPYC DDR5 platforms) |
| GTIN / EAN | 4262552150022 |
M321R4GA0PB2-CCP standard 핀 구성 가이드
M321R4GA0PB2-CCP(standard 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: M321R4GA0PB2-CCP.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
M321R4GA0PB2-CCP 적합 용도: 6 애플리케이션s: Enterprise Server Memory, Virtualization and VM-Density Hosts, Edge Compute Nodes, Workstation Memory Upgrades, Database and In-Memory Analytics, General-Purpose Data Center Compute.
Enterprise Server Memory
The M321R4GA0PB2-CCP is purpose-built for enterprise server platforms such as Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro systems using Intel Xeon Scalable or AMD EPYC DDR5 processors. Its 6400 MT/s (PC5-51200) data rate delivers 51.2 GB/s of peak bandwidth per channel pair, while ECC registered topology with on-die ECC plus side-band ECC keeps uncorrectable error rates within enterprise SLA requirements. The 1Rx4 single-rank configuration minimizes electrical load, allowing high module counts per server for dense configurations. Deployed between the CPU memory controller and the registered clock path, the module's on-module PMIC converts 12V to the 1.1V DRAM rail, improving power efficiency versus DDR4 at roughly 30% lower operating voltage.
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Virtualization and VM-Density Hosts
Virtualization hosts running VMware ESXi, KVM, or Hyper-V benefit directly from the M321R4GA0PB2-CCP's combination of 32GB per DIMM and DDR5-6400 bandwidth. Each VM allocates fixed guest memory, so capacity per socket determines consolidation ratio, while memory bandwidth caps the aggregate performance of co-resident workloads. Distributor positioning (GlobalMemorySupply) specifically cites low-VM-density hosts as a target use case for this SKU. The RDIMM's registered buffering maintains signal integrity across 8-16 DIMMs per server, and ECC protection prevents silent memory corruption that would otherwise propagate between tenant VMs. At CL52, random access latency is competitive with DDR4-3200 modules while bandwidth nearly doubles.
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Edge Compute Nodes
Edge compute appliances - compact servers deployed in telco central offices, retail backrooms, and factory cells - use the M321R4GA0PB2-CCP where JEDEC-standard DDR5 RDIMM capacity is required in short-depth chassis. Samsung positions this SKU explicitly for edge compute per distributor data. The 1.1V operation reduces total power draw, which matters where cooling and power budgets are constrained, and the on-module PMIC simplifies board design for edge OEMs. A single 32GB module per channel provides balanced bandwidth without the thermal density of fully populated channels. The module's JEDEC compliance guarantees interoperability across the wide range of Xeon-D, Xeon Scalable, and EPYC embedded edge platforms.
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Workstation Memory Upgrades
Professional workstations based on Xeon W and Threadripper PRO platforms accept 288-pin DDR5 RDIMMs, making the M321R4GA0PB2-CCP a valid upgrade for CAD, DCC, and simulation workloads. Its 6400 MT/s rate benefits memory-bandwidth-bound applications such as finite-element analysis, ray-traced rendering, and large-assembly CAD, where DDR5's dual 32-bit sub-channels reduce contention between the render thread pool and asset streaming. Single-rank 1Rx4 topology leaves electrical headroom to populate all eight DIMM slots without downclocking. Third-party verified-fitment listings (Amazon, Newegg) confirm recognition at full 32GB capacity and rated speed on ThinkStation-class platforms.
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Database and In-Memory Analytics
In-memory databases (SAP HANA-style architectures, Redis, ClickHouse) and analytics engines are limited by both installed memory and sustainable bandwidth. The M321R4GA0PB2-CCP contributes 32GB per module at PC5-51200 bandwidth, letting a dual-socket server reach multi-TB memory pools with RDIMM buffering that keeps the memory controller within its electrical limits. ECC is non-negotiable here: a single uncorrected bit flip in a column-store index can corrupt analytical results silently. The x4 device organization means one failed DRAM device affects only 4 bits of any 72-bit word, which ECC corrects without downtime. Plan population for balanced channels to sustain peak bandwidth under mixed read/write loads.
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General-Purpose Data Center Compute
For general-purpose compute fleets - web tiers, microservice clusters, CI runners - the M321R4GA0PB2-CCP offers a standard, JEDEC-compliant 32GB DDR5 building block that simplifies spares pooling across heterogeneous server generations. Router Switch markets this SKU specifically for higher server density and bandwidth in data centers, with a 200-unit MOQ program for fleet rollouts. The 6400 MT/s bin provides headroom so the same module works in both current 6400-capable platforms and future platform refreshes without inventory bifurcation. Standardized RDIMM form factor (288-pin, 1.1V) and broad OEM compatibility reduce qualification overhead when mixing Dell, HPE, and Supermicro hardware in one fleet.
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추천 제품 요약
엔지니어링 참조 데이터: M321R4GA0PB2-CCP — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | M321R4GA3EB2-CCP | M321R4GA0EB2-CCP | M321R2GA3PB2-CCP | MR51200-314K1-M321R4GA0PB2-CCP-V27 |
|---|---|---|---|---|---|
| Package | 288-pin DIMM (RDIMM) | 288-pin DIMM - same | 288-pin DIMM - same | 288-pin DIMM - same | 288-pin DIMM - same |
| Brand | Samsung | Samsung | Samsung | Samsung | NEMIX RAM |
| Capacity | 32 GB | 32 GB | 32 GB | 16 GB | 32 GB |
| Speed | 6400 MT/s (PC5-51200) | 5600-class MT/s | 5600-class MT/s | 6400 MT/s (PC5-51200) | 6400 MT/s (PC5-51200) |
| Rank / Configuration | 1Rx4 | 1Rx4 | 1Rx4 | 1Rx4 | 1Rx4 |
| Operating Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| ECC / Buffering | ECC Registered (RDIMM) | ECC Registered (RDIMM) | ECC Registered (RDIMM) | ECC Registered (RDIMM) | ECC Registered (RDIMM) |
| OEM QVL Status | Samsung OEM part | Samsung OEM part | Samsung OEM part | Samsung OEM part | Third-party, compatibility-tested (not on OEM QVLs) |
주요 차별점
- Top-tier DDR5-6400 speed bin (vs M321R4GA0EB2-CCP)
- Double the capacity per module vs 16GB sibling (vs M321R2GA3PB2-CCP)
- OEM-validated part number (vs MR51200-314K1-M321R4GA0PB2-CCP-V27)
설계 노트
Never mix module types on one DDR5 channel: RDIMMs (like this part), UDIMMs, and LRDIMMs are electrically incompatible and most platforms will refuse to boot. When populating mixed capacities or speeds, all modules on a channel train to the slowest DIMM, so pairing the 6400 MT/s M321R4GA0PB2-CCP with a 4800 MT/s module forfeits its bandwidth advantage. Follow the server vendor population rules - balanced per-channel population (same count per channel, matched ranks) is required for multi-channel bandwidth and reliable training.
DDR5 moves voltage regulation onto the module: a PMIC converts the 12V DIMM slot supply to the 1.1V DRAM rail. Verify the server firmware exposes PMIC thermal monitoring, since PMIC throttling under sustained load can reduce effective bandwidth. Compared with DDR4's 1.2V, the 1.1V rail lowers per-bit energy, but at 6400 MT/s the access rate partially offsets this - plan chassis airflow so module inlet air stays within JEDEC ambient limits, and confirm the platform's firmware supports 6400 MT/s training profiles for 1Rx4 RDIMMs before fleet-wide purchase.
The registered (buffered) address/command path is what allows the M321R4GA0PB2-CCP to run at 6400 MT/s with multiple DIMMs installed - the register reduces capacitive load on the memory controller. Do not attempt to improve latency by substituting unbuffered modules; UDIMM loads at this data rate exceed what DDR5 server controllers drive reliably. For mixed 1Rx4 and 2Rx4 populations, consult the CPU vendor's memory training guidance: single-rank modules train faster and tolerate higher densities, which is why this 1Rx4 part is preferred for fully populated 8-16 DIMM servers.
규정 준수 정보
Verified data confirms 100% JEDEC DDR5 compliance (corewavelabs.com). RoHS/REACH status for this specific module SKU was not stated in the provided data and must be confirmed with Samsung or the distributor.
