Technical Snapshot

The Samsung DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP is a server-grade DDR5 RDIMM memory module designed for enterprise servers and workstations. Running at 8,800 MT/s with CL52 timings at 1.1V, The module provides 256GB 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

DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP

DDR5 · RDIMM · 8,800 MT/s · 256GB

Memory transfer rate in megatransfers per second. Higher MT/s provides more bandwidth for CPU-bound workloads.
Speed 8,800 MT/s
Total kit capacity across all modules. Dual-channel kits double memory bandwidth.
Capacity 256GB
CAS Latency — the delay between a memory access request and data availability.
Latency CL52
Operating voltage. Higher voltage allows faster speeds but increases power and heat.
Voltage 1.1V
MPNM321RBJA0M22-CLP
CategoryMemory
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Memory Specifications

Memory TypeDDR5
Form FactorRDIMM
Total Capacity256GB
Speed8,800 MT/s
CAS LatencyCL52
Voltage1.1V
ECCYes
RegisteredYes

Full Specifications

Data sourced from Samsung product specifications
Memory
Memory TypeDDR5
Form FactorRDIMM
Total Capacity256GB
Module Count1
Module Capacity256GB
Speed8,800 MT/s
Timings & Voltage
CAS LatencyCL52
Voltage1.1V
ECCYes
RegisteredYes
Product
BrandSamsung
MPNM321RBJA0M22-CLP
Physical
Weight0.045 kg
Package Dimensions38.1 x 35.56 x 30.48 cm

Support

Samsung Memory Compatibility ToolCheck motherboard compatibility for this module
Samsung Support →
Samsung DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP DatasheetPDF · Technical specifications
Samsung Support →
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Frequently Asked Questions

What systems is this memory compatible with?

The Samsung DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP 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 DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP runs at 8,800 MT/s with CL52 timings. This is a JEDEC standard speed that works automatically without BIOS configuration.

Can I add more memory later?

Yes, the Samsung DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP is a single 256GB 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 DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP 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 DDR5-8800 ECC Registered 256GB RDIMM — M321RBJA0M22-CLP.

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