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Twelve green DDR5 RDIMMs with silver heat spreaders in a row

NEMIX RAM

NEMIX RAM 576GB (12x48GB) DDR5 6400 2Rx8 ECC RDIMM Server RAM

SKU CH-D3Q1-85S1X

A 576GB server memory kit containing 12 registered ECC DDR5 modules at 6400MHz with CL52 latency and 1.1V operation

  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • 576 GB total capacity across 12 modules of 48 GB each
  • DDR5 6400 speed with PC5-51200 bandwidth for high-throughput workloads
  • ECC registered design detects and corrects errors to protect data integrity
  • 2Rx8 dual-rank organisation increases memory density per channel
  • Low 1.1 V operation reduces power draw in dense server deployments

Server memory kit

This NEMIX RAM kit supplies 576GB of DDR5 server memory across twelve 48GB registered DIMMs. It is built for enterprise platforms that require error-correcting code and registered buffering. The modules operate at the standard 1.1V for DDR5. This product is not for desktop or laptop computers.

Capacity and headroom

The twelve-module configuration delivers 576GB total capacity with each DIMM organised as 2Rx8. CAS latency is rated at 52 cycles at the rated speed. This density suits virtualisation hosts and large in-memory databases. Systems with fewer than twelve slots or lower per-slot limits cannot use the full kit.

DDR5 6400 interface

The modules run at DDR5 6400, also designated PC5-51200, using 288-pin registered connectors. Bandwidth and timing are fixed by this JEDEC standard. Platforms limited to lower DDR5 data rates or unbuffered DIMMs will not support these modules at their rated specification.

How it compares

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

Price $13,752.99
Pricier than about 92% of the 6,523 comparable items (median $188.99).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).

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Specifications

Product
Brand nameNEMIX RAM
Model namePart#: MR51200-4828K12-SM-AS-1015CS-TNR
Part numberPart#: MR51200-4828K12-SM-AS-1015CS-TNR
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.1 V

Questions about this item

Will the 12 modules of 48GB DDR5 6400 ECC RDIMM work alongside slower DDR5 modules I keep in the server?

Mixing speeds forces all DDR5 slots to run at the slowest installed module rate; for full 6400 MT/s performance replace every DIMM with this 12 x 48 GB kit.

How can I confirm the kit is running at 6400 MT/s with CL52 after installation?

Enter the server BIOS or run a hardware utility such as CPU-Z; the memory tab should show DDR5-6400, CAS 52, 1.1 V and 2Rx8 organisation for all 12 slots.

Does the package include only the 12 RDIMMs or are heatsinks, cables or a USB key also supplied?

The box contains exactly 12 registered ECC RDIMMs (288-pin, 2Rx8, 1.1 V); no heatsinks, cables, software media or other accessories are included.

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