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Green rectangular circuit board with black memory chips and gold edge connector

SAMSUNG

SAMSUNG M321R4GA0PB0-CWM 32GB DDR5-5600 1Rx4 EC8 RDIMM server RAM

SKU CH-4KGR-20S8C MPN M321R4GA0PB0-CWM

32 GB DDR5-5600 registered ECC RDIMM with 1Rx4 organisation, CL46 latency and 1.1 V operation

  • Capacity32GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • ECCYes
  • Buffered/RegisteredRegistered
  • 32GB DDR5-5600 capacity supports demanding server workloads
  • ECC registered design protects data integrity in critical applications
  • Single-rank 1Rx4 architecture enables efficient memory-channel utilisation
  • 1V operating voltage reduces power draw per module
  • 288-pin RDIMM form factor fits standard DDR5 server slots

32GB DDR5-5600 EC8 RDIMM for servers

This single 32GB module uses DDR5-5600 with CL46 latency and operates at 1.1V. It is a registered ECC RDIMM built for 288-pin server platforms that require error correction and registered buffering.

Upgrade from lower-capacity DDR5 RDIMMs

Replacing smaller registered modules with this 32GB stick increases density per slot while keeping the DDR5-5600 speed and EC8 organisation. The jump is worthwhile when the motherboard supports 1Rx4 registered DIMMs and the workload needs more capacity per channel without dropping to a slower speed bin.

Handles typical server workloads within one DIMM

The 32GB capacity covers common virtualisation, database and compute tasks that fit in a single registered module. Workloads that exceed 32GB per channel or require dual-rank density for specific memory-controller optimisations will need additional modules or higher-capacity RDIMMs.

Highlights

  • 32GB DDR5-5600 capacity supports demanding server workloads
  • ECC registered design protects data integrity in critical applications
  • Single-rank 1Rx4 architecture enables efficient memory-channel utilisation
  • 1V operating voltage reduces power draw per module
  • 288-pin RDIMM form factor fits standard DDR5 server slots

Specifications

BrandSAMSUNG
SeriesM321R4GA0PB0-CWM
ModelM321R4GA0PB0-CWM
Part NumberM321R4GA0PB0-CWM
Capacity32GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetSamsung Chipset
Heat SpreaderNo
FeaturesEC8 Registered
Shipping weight0.23 kg
Package size152 × 51 × 25 mm

Questions about this item

Will the 288-pin DDR5 RDIMM fit a standard server DIMM slot?

Yes, the module uses the 288-pin DDR5 RDIMM form factor that matches standard server memory slots.

What is the correct orientation step when seating this RDIMM?

Align the single key notch with the slot ridge, press firmly until both ejector clips click shut.

When should the 32GB EC8 RDIMM be replaced?

Replace the module if ECC logs show uncorrectable errors or the server fails memory diagnostics.

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