M321R8GA0BB0-CQK Samsung 1x64GB DDR5 RDIMM ECC RAM

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€2,843.84

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Happyware Article Number:

SH0R8995-792873

Manufacturer Number:

M321R8GA0BB0-CQK

Brand:

Samsung

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

M321R8GA0BB0-CQK

High-Density DDR5 RDIMM Server Memory Module featuring ECC Registered Architecture with the M321R8GA0BB0-CQK

The M321R8GA0BB0-CQK is a 64GB Samsung DDR5-4800 ECC Registered DIMM engineered to increase memory capacity per CPU socket in modern dual-socket and scale-out server platforms. By using DDR5 RDIMM buffering and 72-bit ECC data paths, the M321R8GA0BB0-CQK supports stable operation under sustained virtualization pressure, large database working sets, and consolidation scenarios where memory integrity and predictable latency are mandatory.

On current x86 enterprise servers and cloud nodes, the M321R8GA0BB0-CQK enables higher VM density and larger in-memory tiers without forcing early CPU upgrades. Its dual-rank x4 organization is designed to align with platform RAS features and channel population rules, while DDR5-4800 (PC5-38400R) bandwidth helps reduce contention during mixed read/write phases. The low-profile mechanical format improves compatibility in dense chassis, adjacent PCIe expansion layouts, and airflow-restricted compute sleds, supporting balanced system design across CPU, PCIe I/O, and storage.

Why Choose the M321R8GA0BB0-CQK?

The M321R8GA0BB0-CQK delivers a pragmatic capacity-to-performance profile for enterprise deployments where memory is the primary limiter of consolidation and throughput. ECC Registered signaling strengthens reliability across fully populated memory channels, while the DDR5 power-efficient 1.1V operating point supports scalable rollouts in power-constrained racks. Standardized JEDEC behavior simplifies qualification, inventory control, and fleet-wide maintenance planning.

Samsung designs server memory with a focus on signal integrity, consistent manufacturing controls, and long-term platform compatibility. This approach supports data centre standards for uptime, lifecycle stability, and predictable behavior across multi-node deployments.

Key Applications:

Server virtualization and consolidation
Database servers
In-memory caching nodes
General enterprise compute
Cloud infrastructure clusters

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout plan for the M321R8GA0BB0-CQK and can secure bulk order discount options for standardized memory builds across racks, clusters, or regional deployments.

Technical details of M321R8GA0BB0-CQK

Capacity:

64GB

Generation:

DDR5

Single Module Capacity:

64GB

Frequency:

4800MHz

Form Factor:

DIMM

DIMM Type:

RDIMM DDR5

ECC:

ECC on-die ECC

Registered/Unbuffered:

Registered

Modules Quantity:

Pins:

288

Voltage:

1.1V

Rank:

Dual-Rank x4

Intel XMP:

AMD EXPO:

Heat Spreader:

RGB Lighting:

Module height:

JEDEC:

PC5-38400R

CAS Latency:

Row-to-Column Delay (tRCD):

Row Precharge Time (tRP):

Active-to-Prechange Time (tRAS):

How long is the Warranty and how you can get technical support for M321R8GA0BB0-CQK

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.