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Four green DDR5 RDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 384GB (4×96GB) DDR5 6400 CL52 ECC RDIMM SuperMicro X14SBW-TF memory upgrade

SKU CH-WJRB-95N7R

Four 96 GB DDR5 modules deliver 384 GB of ECC registered memory at 6400 MT/s with CL52 latency for SuperMicro X14SBW-TF servers

  • Total capacity384 GB (4 × 96 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 384GB total capacity from four 96GB modules
  • DDR5 6400 speed with PC5-51200 bandwidth
  • CL52 CAS latency at 1.10V operating voltage
  • ECC registered RDIMM for data integrity
  • 288-pin 2Rx4 configuration for SuperMicro X14SBW-TF

System-specific DDR5 upgrade

This 384 GB kit contains four 96 GB DDR5 6400 registered ECC RDIMMs built for the SuperMicro X14SBW-TF platform. Each module runs at 1.1 V with a CAS latency of 52 and a 2Rx4 organisation. The registered design adds a buffer that helps maintain signal integrity on heavily populated server boards.

Thermals and power in normal use

Operating at 1.1 V keeps power draw modest for high-density DDR5, and the modules ship without heat spreaders to fit tight DIMM spacing. Registered buffering reduces electrical load on the memory controller, which helps limit heat output during typical server workloads. Fan noise will depend on chassis airflow rather than the memory itself.

Behaviour under sustained load

All modules are stress-tested under load before shipment to verify stability during extended operation. ECC protection corrects single-bit errors on the fly, preventing data corruption during long compute runs. The registered architecture maintains consistent timing when all four slots are populated at 6400 MT/s.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $10,790.99
Pricier than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (4 × 96 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $28.10 per GB
Pricier than about 79% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSupermicro DDR5 6400 MHz ECC RDIMM Registered Server Memory
Part numberMR51200-9624K4
Total capacity384 GB (4 × 96 GB)
Product type288-PIN DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB (4 × 96 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V CL52 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-PIN DDR5 RDIMM modules into the SuperMicro X14SBW-TF and which step is often missed?

Align the notch on each 288-PIN module with the slot key, press straight down until both side clips click, then verify the BIOS recognises all 384GB at DDR5 6400; the step often missed is seating every clip fully on all four 96GB sticks.

What maintenance or replacement will the 2Rx4 registered ECC kit need over time?

The 1.10V DDR5 6400 modules have no moving parts or heat spreaders; only occasional dust removal from the 288-PIN contacts is needed, and a failed 96GB stick would be replaced as a single unit under lifetime coverage.

What limit appears first when the four 96GB RDIMMs run sustained workloads at CL52?

The registered 2Rx4 design and 1.1V operation keep thermal output low, so the first limit is the DDR5 6400 CL52 latency ceiling rather than temperature or power throttling.

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