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Green DDR5 RDIMM circuit board with black memory chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KSM64R52BD8-32MD 32 GB DDR5-6400 CL52 2Rx8 ECC Registered RDIMM server RAM

SKU CH-RWYS-86ZN4 MPN KSM64R52BD8-32MD

32 GB DDR5-6400 ECC registered RDIMM for data-centre servers, dual-rank CL52 at 1.10 V

  • Capacity32GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Timing52-52-52
  • Voltage1.10V

Capacity 32GB

Rank 2Rx8

  • 32 GB capacity supports dense virtualization workloads
  • DDR5-6400 speed delivers high memory bandwidth
  • CL52 latency at 1.10 V balances responsiveness and efficiency
  • ECC registered design protects data integrity in servers
  • 2Rx8 dual-rank layout increases memory density per slot

32 GB DDR5-6400 Registered ECC Module

This 32 GB DDR5-6400 RDIMM delivers registered ECC memory for server platforms. It operates at 1.10 V with CL52 latency and a 2Rx8 organisation. The module uses a standard 288-pin DDR5 form factor without a heat spreader. It is built for data centres, cloud deployments and SME infrastructure.

Who This Suits and Who It Does Not

System integrators and administrators running qualified Intel, AMD or OEM server platforms will find this module matches their validated BOM requirements. Buyers who need unbuffered UDIMM memory for workstation or consumer boards cannot use this registered design. Those requiring higher capacity per DIMM or lower latency timings must select a different specification.

The Deciding Specification — Registered ECC

The registered buffer and on-die ECC are the single attributes that determine fit. Only motherboards with registered DDR5 slots and ECC support will accept this module. Consumer chipsets and unbuffered memory controllers will not post with it installed. Verify the platform qualification list before purchase.

Highlights

  • 32 GB capacity supports dense virtualization workloads
  • DDR5-6400 speed delivers high memory bandwidth
  • CL52 latency at 1.10 V balances responsiveness and efficiency
  • ECC registered design protects data integrity in servers
  • 2Rx8 dual-rank layout increases memory density per slot

Specifications

BrandKingston
ModelKSM64R52BD8-32MD
Capacity32GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Timing52-52-52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Shipping weight0.04 kg
Package size152 × 51 × 8 mm

Other versions of this model

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Questions about this item

Will this 288-pin DDR5 RDIMM fit my server motherboard?

The module uses the standard 288-pin DDR5 RDIMM form factor and operates at 1.10 V, matching the DDR5 slot specification for registered server memory.

What is the correct way to seat this registered ECC module, and what step is often missed?

Align the single DDR5 notch with the slot key, press firmly until both retention clips click, then verify in BIOS that the 2Rx8 rank and CL52 timings are detected at 6400 MT/s.

Does the lack of a heat spreader mean I must add cooling or replace the module sooner?

No spreader is fitted; Kingston rates the DRAM for continuous operation at 1.10 V within standard server airflow, so no extra cooling or scheduled replacement is required.

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