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Four green DDR5 RDIMM sticks, black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5-4800 ECC RDIMM 256GB (4×64GB) CL40 1.1V 2Rx4 Supermicro H13SRH

SKU CH-X9RQ-5TXF4

A 256 GB (4 × 64 GB) DDR5-4800 ECC registered RDIMM kit at CL40 1.1 V 2Rx4, validated for the Supermicro H13SRH motherboard

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

Show 18 more configurations

Speed 4800MHz

  • Exact-match 256GB DDR5-4800 kit runs at rated speed
  • Four 64GB modules deliver full 256GB capacity
  • Registered ECC design prevents silent data corruption
  • 1V operation matches server memory controller specs
  • Verified fitment for Supermicro H13SRH motherboard

Exact DDR5-4800 ECC RDIMM kit

This 256GB kit contains four 64GB DDR5-4800 registered ECC modules built to the Supermicro H13SRH memory controller specification. Each module runs at 1.1V with CL40 timing and 2Rx4 organisation for full-capacity recognition.

Straightforward server installation

The 288-pin RDIMM form factor matches the board slots exactly; no UDIMM or SODIMM confusion is possible. Population order and maximum supported capacity must still be checked in the system manual before fitting the modules.

For H13SRH servers needing 256GB ECC

Suits administrators upgrading a Supermicro H13SRH to the full 256GB registered ECC configuration. Not for boards that require UDIMM, SODIMM, non-ECC, or a different DDR generation.

Highlights

  • Exact-match 256GB DDR5-4800 kit runs at rated speed
  • Four 64GB modules deliver full 256GB capacity
  • Registered ECC design prevents silent data corruption
  • 1V operation matches server memory controller specs
  • Verified fitment for Supermicro H13SRH motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 4X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I confirm the 256GB kit is running at DDR5-4800 with CL40 after installing it in my Supermicro H13SRH?

Check the BIOS or UEFI memory information screen; it should report 4800 MT/s, CL40 timings, 1.1 V, and 256 GB total across four 64 GB registered ECC modules.

What does the package contain and what extra parts are required for installation?

The box includes four 64 GB DDR5-4800 ECC RDIMMs (2Rx4, 1.1 V, CL40); no cables, brackets or additional hardware are supplied — only the DIMMs themselves.

Which capacity or version of this NEMIX RAM kit should I choose for the H13SRH?

This specific part number MR38400-924K4 is a 256 GB (4 × 64 GB) DDR5-4800 registered ECC kit validated for the Supermicro H13SRH; select it when you need the full four-DIMM population at that speed and rank.

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