M321R2GA3PB0-CWM Samsung 1x16GB DDR5 RDIMM ECC RAM

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Happyware Article Number:

SH6R6411-433401

Manufacturer Number:

M321R2GA3PB0-CWM

Brand:

Samsung

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

M321R2GA3PB0-CWM

High-Density DDR5 Registered ECC Server Memory Module optimised for modern platforms with the M321R2GA3PB0-CWM

The M321R2GA3PB0-CWM is a Samsung DDR5-5600 registered ECC RDIMM designed for current-generation server CPUs that require buffered DIMM signalling to maintain stability at scale. In 1DPC and 2DPC population strategies, the register supports cleaner command/address integrity across larger memory footprints, enabling predictable performance for enterprise hypervisors and general compute nodes.

Built on a 288-pin DDR5 architecture, the M321R2GA3PB0-CWM delivers a balanced profile for bandwidth-sensitive workloads without forcing over-provisioning. DDR5 platform I/O improvements help keep pace with PCIe Gen5 expansion and NVMe-centric storage topologies by reducing memory-side contention, which is critical when consolidating mixed services on shared hosts. With on-die ECC and a low-profile form factor, the M321R2GA3PB0-CWM aligns with dense 1U/2U thermal and airflow constraints while sustaining reliable operation under continuous load.

Why Choose the M321R2GA3PB0-CWM?

The M321R2GA3PB0-CWM provides a pragmatic density-to-performance step for DDR5 RDIMM platforms, prioritising signal integrity, error resilience, and predictable scaling as DIMM counts increase. It is well-suited for standardised fleet builds where consistent latency behaviour and validated interoperability reduce deployment risk and simplify lifecycle management.

Samsung designs enterprise memory around manufacturing control, qualification discipline, and long-term availability to support data centre standardisation. The module architecture targets reliability under sustained utilisation, meeting the operational expectations of modern server platforms and controlled-change environments.

Key Applications:

Virtualization hosts
Web and application servers
Directory and identity services
Monitoring and observability platforms
Lightweight database tiers

At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your build plan for M321R2GA3PB0-CWM deployments and can extend the warranty up to 6 years to secure long-term coverage for production memory upgrades.

Technical details of M321R2GA3PB0-CWM

Capacity: 16GB

Generation: DDR5

Single Module Capacity: 16GB

Frequency: 5600MHz

Form Factor: DIMM

DIMM Type: RDIMM, DDR5

ECC: ECC, on-die ECC

Registered/Unbuffered: Registered

Modules Quantity: 1

Pins: 288

Voltage: 1.1V

Rank: Single-Rank x8

Intel XMP: No

AMD EXPO: No

Heat Spreader: No

RGB Lighting: No

Module height: LP

JEDEC: PC5-44800R

CAS Latency: 46

How long is the Warranty and how you can get technical support for M321R2GA3PB0-CWM

Warranty:	24 months (part)
RMA through customer:	yes
RMA Url:	https://www.samsung.com/us/support/service/
Description:	Items must be returned first; no advance replacements. Guaranteed repair or replacement times may vary by product type. On-site service is available for specific products such as large home appliances and large TVs.