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Single green DDR5 RDIMM module with gold contacts and black heat spreader

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 ECC RDIMM 2Rx4 1.1V 288-PIN

SKU CH-PR55-ZJJ1D

A 64 GB DDR5 server module running at 4800 MHz with ECC and registered 2Rx4 organisation at 1.1 V

  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • 64 GB capacity supports large server workloads
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power consumption
  • Major OEM chips ensure consistent reliability

Single-module capacity

This 64GB DDR5 registered DIMM delivers high-density ECC memory for server platforms that require error correction and signal buffering. The module operates at 4800MHz with CAS latency 40 and a low 1.1V supply, fitting standard 288-pin DDR5 slots in compatible enterprise systems.

Suited for server builds only

The registered ECC design targets multi-socket servers and workstations that mandate registered memory; it will not function in consumer desktop or laptop platforms that accept only unbuffered non-ECC modules. Buyers needing memory for standard PCs or gaming rigs should look at unbuffered DDR5 alternatives.

64GB per slot headroom

A single stick provides 64GB of capacity, letting administrators reach large per-channel totals with fewer populated slots. The 2Rx4 organisation supports high-density configurations, though maximum system memory remains limited by the motherboard's slot count and memory-controller specification.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $1,590.99
Pricier than about 84% of the 6,523 comparable items (median $188.99).
CAS latency 40
Typical for this category: the median of 439 items is 40.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Model namePart#: MR38400-924K1-SM-AS-1115S-FWTRT
Part numberPart#: MR38400-924K1-SM-AS-1115S-FWTRT
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.1 V

Questions about this item

Does my motherboard need DDR5 RDIMM slots to use this 288-pin 1.1V module?

Yes, the module is a DDR5 4800 288-pin ECC RDIMM that requires a server board with registered DIMM slots running at 1.1V.

Can I keep my existing DDR5 4800 ECC RDIMMs and add this 64GB 2Rx4 kit?

It will work alongside other DDR5 4800 ECC RDIMMs if the platform supports mixed capacities and the same 2Rx4 rank structure.

How do I confirm the kit runs at PC5-38400 with CL40 after installation?

Check the BIOS memory info or OS tools; they should report 4800 MT/s, CAS 40, 1.1V and ECC active for the installed 64GB module.

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