M321R4GA0EB2-CWM - 32GB DDR5-5600 ECC RDIMM | Samsung
부품 번호: M321R4GA0EB2-CWM ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $89 | $89.00 |
| 10 | $84.5 | $845.00 |
| 100 | $79 | $7,900.00 |
| 500 | $74 | $37,000.00 |
| 1,000 | $69 | $69,000.00 |
M321R4GA0EB2-CWM 개요
A Registered DIMM (RDIMM) is a server-class memory module that buffers the address and command signals through a register, reducing the electrical load on the memory controller and enabling higher module densities and more DIMMs per channel than unbuffered memory. RDIMMs form the memory tier of the server hierarchy (DIMM -> registered DIMM -> DDR5 RDIMM -> server memory subsystem) and are the standard choice for enterprise platforms from Dell, Lenovo, HPE, and Supermicro.
Key features include a 5600 MT/s data rate (PC5-44800 bandwidth class), on-module ECC that detects and corrects single-bit memory errors for data integrity, and the DDR5 1.1V operating voltage that cuts module power roughly 30% versus DDR4 at equivalent capacity. The 1Rx4 single-rank organization minimizes controller loading and simplifies memory population rules on two-DIMM-per-channel platforms.
The module uses 20 FBGA-packaged x4 DDR5 DRAM components registered through a DDR5 register clock driver and power management IC (PMIC) on-module, per JEDEC DDR5 RDIMM architecture. Samsung self-developed DRAM die ensures validated signal integrity at full 5600 MT/s speed.
Typical applications include edge compute servers, low-VM-density hosts, general-purpose 1U/2U rack servers, and virtualization platforms where 32GB per DIMM balances density, cost, and thermals.
Design consideration: RDIMMs must be matched to the platform's qualified vendor list (QVL) and validated speed grade; mixing CWM (5600) and CCP (6400) speed bins on one channel forces the lower speed on all modules.
This page synthesizes distributor pricing, drop-in alternatives, speed-bin comparisons, and practical population guidance not found in a single manufacturer document.
드롭인 대체품: M321R4GA0EB2-CWM — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: M321R4GA0EB2-CWM (동일 폼 팩터 및 풋프린트) — 차이점: Data Rate, Module Type, ECC, Organization, CAS Latency.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
M321R4GA0EB2-CCP
✅ 드롭인✓ 재고 있음
$1324.6154 / 개
데이터시트 보기 →M321R4GA0EB2-CCPKC
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
M321R4GA3EB0-CWM
✅ 드롭인✓ 재고 있음
$1489 / 개
데이터시트 보기 →M321R4GA3PB0-CWM
✅ 드롭인✓ 재고 있음
$1033.5938 / 개
데이터시트 보기 →MR51200-314K1-M321R4GA0EB2-CCP-V27
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
M321R4GA0EB2-CWM 최대 정격 & 전기적 특성
| Capacity | 32 GB |
| 메모리 유형 | DDR5 SDRAM |
| Module Type | 288-pin ECC Registered DIMM (RDIMM) |
| 데이터 속도 | 5600 MT/s |
| Bandwidth Class | PC5-44800 |
| CAS 레이턴시 | CL46 |
| Operating Voltage | 1.1 V |
| 메모리 구성 | 4G x 72 (1Rx4) |
| Ranks | 1 (single rank) |
| DRAM Configuration | 20 FBGA x4 components |
| Error Correction | ECC (on-module, registered) |
| Pins | 288 |
| Application | Server / Enterprise / Edge Compute |
| JEDEC Compliance | DDR5 RDIMM (PC5-44800R class) |
| Manufacturer | Samsung Electronics |
M321R4GA0EB2-CWM standard 핀 구성 가이드
M321R4GA0EB2-CWM(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: M321R4GA0EB2-CWM.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
M321R4GA0EB2-CWM 적합 용도: 6 애플리케이션s: General-Purpose Rack Servers, Edge Compute Appliances, Virtualization and VM-Density Hosts, Enterprise Data Center Memory Refresh, Storage Controllers and File Servers, Networking and Security Appliances.
General-Purpose Rack Servers
The M321R4GA0EB2-CWM fits 1U/2U general-purpose rack servers from Dell PowerEdge, Lenovo ThinkSystem, HPE ProLiant, and Supermicro that accept DDR5-5600 RDIMMs. Its 32GB single-rank capacity is the sweet spot for populating all 8-16 channels without hitting cost or thermal limits, and the 5600 MT/s PC5-44800 data rate feeds modern Xeon Scalable and EPYC memory controllers at their mid-tier validated speed. The 1Rx4 organization reduces channel loading so two DIMMs per channel can run at full validated speed. Register buffering and on-module ECC sustain uptime-critical workloads, while the 1.1V DDR5 voltage cuts module power roughly 30% versus DDR4 at equal capacity, easing airflow budgets in dense chassis.
추천
Edge Compute Appliances
Edge compute nodes processing local analytics and AI inference benefit directly from the M321R4GA0EB2-CWM's profile: 32GB per module delivers ample working set for containerized services and local datasets without the cost of higher-density LRDIMMs, and the single-rank 1Rx4 configuration keeps per-channel load low, which matters in edge servers with constrained memory controllers. Distributor data (CoreWaveLabs) explicitly designates this part for edge compute. The DDR5 1.1V operation reduces heat in passively cooled or fan-limited edge enclosures, and on-module ECC protects long-unattended deployments from silent DRAM soft errors that would otherwise corrupt data between service intervals.
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Virtualization and VM-Density Hosts
Hypervisor hosts balance per-DIMM cost against total memory per socket, and the M321R4GA0EB2-CWM's 32GB DDR5-5600 capacity allows 256GB-512GB per socket using only 8-16 modules, leaving DIMM slots free for later expansion. The 5600 MT/s PC5-44800 bandwidth keeps VM memory pressure manageable for low-to-medium VM density, which is exactly the target use CoreWaveLabs lists for this part. ECC Registered architecture is mandatory for production hypervisors because a single uncorrected DRAM error can crash the entire host; the CWM's registered buffering and x4 ECC topology handle both soft errors and multi-bit detection across the 4Gx72 organization.
추천
Enterprise Data Center Memory Refresh
For data centers migrating from DDR4 to DDR5 platforms, the M321R4GA0EB2-CWM represents the standard enterprise memory building block: 32GB, 288-pin, JEDEC-compliant DDR5-5600 RDIMM qualified across Dell PowerEdge R660, MX760c, and comparable platforms (per ramquote platform data for the CWM speed family). The 1.1V operation and DDR5 on-module PMIC improve power efficiency at rack scale, directly lowering total facility power per terabyte versus DDR4. Single-rank 1Rx4 population maximizes validated speed headroom and simplifies mixing with future capacity upgrades, while Samsung die-level supply consistency supports large-volume, single-part-number rollouts for fleet standardization.
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Storage Controllers and File Servers
Storage arrays and file servers use host memory as read/write cache, where capacity per DIMM and error correction dominate the selection. The M321R4GA0EB2-CWM's 32GB per module lets a dual-socket controller reach 512GB-1TB with modest DIMM counts, and the x4 ECC Registered design detects and corrects single-bit errors, protecting cached filesystem metadata and journal state. The 5600 MT/s PC5-44800 bandwidth sustains cache refill bursts during RAID rebuilds, while the 1.1V module power reduces controller chassis heat over 24/7 operation. Single-rank organization also shortens effective access latency for metadata-heavy workloads.
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Networking and Security Appliances
High-throughput network appliances - next-generation firewalls, SD-WAN concentrators, and load balancers - hold large flow tables and DPI state in host memory, making 32GB-per-DIMM DDR5 RDIMMs like the M321R4GA0EB2-CWM a natural fit. The 5600 MT/s data rate with PC5-44800 class bandwidth keeps packet-inspection working sets resident in DRAM rather than spilling to slower tiers, and registered ECC operation guards the session state database against soft errors during long uptime cycles. The 1Rx4 organization minimizes channel load in compact appliance boards that run two DIMMs per channel, and 1.1V DDR5 power suits constrained 1RU thermals common in network appliance form factors.
추천
추천 제품 요약
엔지니어링 참조 데이터: M321R4GA0EB2-CWM — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | M321R4GA0EB2-CCP | M321R4GA0EB2-CCPKC | M321R4GA3EB0-CWM | M321R4GA3PB0-CWM | MR51200-314K1-M321R4GA0EB2-CCP-V27 |
|---|---|---|---|---|---|---|
| Package | 288-pin RDIMM | 288-pin RDIMM - same | 288-pin RDIMM - same | 288-pin RDIMM - same | 288-pin RDIMM - same | 288-pin RDIMM - same |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics (NEMIX RAM-compatible module) |
| Capacity | 32 GB | 32 GB | 32 GB | 32 GB | 32 GB | 32 GB |
| Data Rate | 5600 MT/s (PC5-44800) | 6400 MT/s (PC5-51200) | 6400 MT/s (PC5-51200) | 5600 MT/s (PC5-44800) | 5600 MT/s (PC5-44800) | 6400 MT/s (PC5-51200) |
| CAS Latency | CL46 | CL52 (per platform listings) | CL52 | CL46 | CL46 | CL52 |
| Ranks / Organization | 1Rx4 (4Gx72) | 1Rx4 | 1Rx4 | 2Rx8 | 2Rx8 | 1Rx4 |
| Operating Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| ECC / Registration | ECC Registered | ECC Registered | ECC Registered | ECC Registered | ECC Registered | ECC Registered |
주요 차별점
- Single-rank 1Rx4 organization minimizes channel load (vs M321R4GA3EB0-CWM)
- Lowest-latency speed bin in the 32GB family (vs M321R4GA0EB2-CCP)
- OEM Samsung die with full QVL coverage (vs MR51200-314K1-M321R4GA0EB2-CCP-V27)
설계 노트
Never mix speed bins (CWM 5600 vs CCP 6400) or rank organizations (1Rx4 vs 2Rx8) within one channel. BIOS trains the channel to the lowest common SPD profile, so all modules drop to 5600 MT/s, and mixed-rank channels may fall off the platform's validated population table entirely. Populate identical modules per channel and verify the final configuration against the server vendor's qualified vendor list (QVL) and memory population guide before deployment.
The module operates at 1.1V per JEDEC DDR5 with on-module PMIC, so a 16-DIMM server at roughly 5W per module draws about 80W on the memory rails. Estimated: memory power scales with utilization, so budget airflow per DIMM slot, and ensure the platform BIOS enables DDR5 power-down and refresh management features to reclaim power at idle. Do not attempt to adjust module voltage - RDIMM PMIC settings are SPD-locked for server reliability.
Single-rank 1Rx4 modules like this CWM part load the channel less than 2Rx8 builds, which usually allows two DIMMs per channel at full validated speed. However, some workloads (bandwidth-bound HPC, large in-memory caches) benefit from 2Rx8 rank interleaving despite lower per-channel speed ceilings. Run your actual workload benchmark on both configurations if the QVL lists both; raw MT/s ratings do not directly predict application bandwidth.
규정 준수 정보
ICAllIn listing shows RoHS Status as unspecified for this MPN. Server memory modules from Samsung are typically RoHS compliant, but this must be confirmed from the manufacturer compliance portal before use - values here were not found in verified data.
