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Green 288-pin DDR5 RDIMM module, no heat spreader, 32GB 4800 CL40 ECC registered

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 ECC RDIMM SuperMicro X13SEI-F X13SEI-TF memory upgrade

SKU CH-2HKX-6FAEB

32 GB DDR5-4800 ECC registered DIMM, CL40 at 1.1 V, validated for SuperMicro X13SEI-F and X13SEI-TF motherboards

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32GB capacity expands server memory for heavy workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical data
  • 1V operation reduces power draw in dense configurations
  • Validated for SuperMicro X13SEI-F and X13SEI-TF motherboards

SuperMicro X13SEI server memory upgrade

This 32GB DDR5 4800 CL40 ECC RDIMM is built for SuperMicro X13SEI-F and X13SEI-TF motherboards. It delivers registered error-correcting memory for workloads that demand data integrity. The module runs at 1.1V with a 1Rx4 rank configuration using major OEM chips. It targets administrators who need validated compatibility for these specific platforms.

Replaces slower or smaller DDR5 modules

When a system ships with lower-capacity sticks or slower speeds this kit raises the ceiling to 32GB per slot at PC5-38400. The jump is worth it when virtualisation density or database buffering hits the current limit. It is not for boards that only accept unbuffered UDIMMs or that require a different pin count or voltage.

Fits 288-pin DDR5 RDIMM slots on X13SEI boards

The registered design offloads electrical load from the memory controller allowing larger total capacities across populated channels. No heat spreader is fitted so airflow in dense server chassis remains unimpeded. It frees up DIMM slots for future expansion while keeping the memory subsystem stable under sustained load.

How it compares

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

Price $848.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $26.53 per GB
Pricier than about 73% 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 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the 288-pin DDR5 RDIMM fit the SuperMicro X13SEI-F and X13SEI-TF memory slots?

Yes, the module is a 288-pin DDR5 RDIMM built for the SuperMicro X13SEI-F and X13SEI-TF motherboards.

What is the correct way to seat the 1Rx4 ECC registered module so the board recognises the full 32 GB?

Align the notch with the slot key, press straight down until both retention clips click, then verify in BIOS that the 32 GB DDR5 4800 CL40 module appears at 1.10 V.

When should the 32 GB DDR5 4800 CL40 ECC RDIMM be replaced in a server running continuous workloads?

Replace the module if ECC logs show rising correctable error counts, if the system fails memory diagnostics, or if the registered DIMM no longer trains at the rated 4800 MT/s speed.

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