Technical Snapshot

The Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM is a server-grade DDR5 RDIMM memory module designed for enterprise servers and workstations. Running at 5,600 MT/s with CL40 timings at 1.1V, The module provides 64GB of DDR5 memory . this module targets server deployments, virtualization hosts, and high-availability computing environments requiring ECC error correction.

Use Case
Server deployments, virtualization, high-availability computing
Compatibility
RDIMM-compatible server motherboard
Category
DDR5 RDIMM — Samsung
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Samsung RAM
Samsung

DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM

DDR5 · RDIMM · 5,600 MT/s · 64GB

Memory transfer rate in megatransfers per second. Higher MT/s provides more bandwidth for CPU-bound workloads.
Speed 5,600 MT/s
Total kit capacity across all modules. Dual-channel kits double memory bandwidth.
Capacity 64GB
CAS Latency — the delay between a memory access request and data availability.
Latency CL40
Operating voltage. Higher voltage allows faster speeds but increases power and heat.
Voltage 1.1V
MPNM321R8GA0EB0-CWM
CategoryMemory
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Memory Specifications

Memory TypeDDR5
Form FactorRDIMM
Total Capacity64GB
Speed5,600 MT/s
CAS LatencyCL40
Voltage1.1V
ECCYes
RegisteredYes

Full Specifications

Data sourced from Samsung product specifications
Memory
Memory TypeDDR5
Form FactorRDIMM
Total Capacity64GB
Module Count1
Module Capacity64GB
Speed5,600 MT/s
Timings & Voltage
CAS LatencyCL40
Voltage1.1V
ECCYes
RegisteredYes
Product
BrandSamsung
MPNM321R8GA0EB0-CWM
Physical
Weight0.050 kg (estimated)
Package Dimensions14.0 x 8.0 x 1.0 cm (estimated)

Support

Samsung Memory Compatibility ToolCheck motherboard compatibility for this module
Samsung Support →
Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM DatasheetPDF · Technical specifications
Samsung Support →
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Frequently Asked Questions

What systems is this memory compatible with?

The Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM is RDIMM server memory with ECC error correction. It requires a server or workstation motherboard with RDIMM support. NOT compatible with standard desktop motherboards. Check your server's QVL (Qualified Vendor List) for compatibility.

What speed does this memory run at?

The Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM runs at 5,600 MT/s with CL40 timings. This is a JEDEC standard speed that works automatically without BIOS configuration.

Can I add more memory later?

Yes, the Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM is a single 64GB module. You can add additional compatible DDR5 RDIMM modules to populate empty slots. For best performance, use matched modules of the same speed and capacity to enable dual-channel mode.

Does this memory support ECC error correction?

Yes, the Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM includes ECC (Error-Correcting Code) support, which detects and corrects single-bit memory errors. This is essential for servers, workstations, and mission-critical applications where data integrity is paramount.

Where can I find technical support?

Visit the Samsung support website for compatibility tools, firmware updates, and technical documentation for the Samsung DDR5-5600 ECC Registered 64GB RDIMM — M321R8GA0EB0-CWM.

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