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Two green DDR5 RDIMM modules with gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 ECC RDIMM for SuperMicro SSG-521E X13SEDW-F memory upgrade

SKU CH-3SQ0-QMW62

32 GB DDR5 ECC registered server memory kit, two 16 GB modules at 4800 MT/s CL40, validated for SuperMicro SSG-521E and X13SEDW-F systems

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB kit doubles server capacity for heavy workloads
  • DDR5 4800 MT/s transfers data at PC5-38400 bandwidth
  • ECC registered design corrects errors to protect critical data
  • 1 V operation reduces power draw in dense chassis
  • Validated for SuperMicro SSG-521E and X13SEDW-F systems

System-specific DDR5 ECC RDIMM kit

This 32 GB kit contains two 16 GB DDR5 4800 CL40 registered DIMMs built for SuperMicro SSG-521E and X13SEDW-F servers. ECC and registered buffering protect data integrity in mission-critical workloads. The modules run at 1.10 V and use major OEM Samsung, Micron or Hynix chips. Buyers needing non-ECC or unbuffered memory should look elsewhere.

Thermals noise and power in normal use

Operating at 1.10 V keeps power draw low for dense server configurations. No heat spreaders are fitted, so airflow across the 288-pin modules must be provided by the chassis fans. The registered design adds minimal latency while maintaining signal integrity under sustained load. Silent operation depends entirely on the host system cooling solution.

Build quality and daily installation

Each stick is a 1Rx8 288-pin RDIMM validated for the named SuperMicro platforms. The kit ships as a matched pair to ensure dual-channel stability. Installers should follow the motherboard manual for population order and BIOS settings. Systems requiring more than 32 GB or different rank configurations will need additional compatible kits.

How it compares

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

Price $878.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $27.47 per GB
Pricier than about 77% 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 numberMR38400-618K2
Total capacity32 GB (2 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB (2 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288‑pin DDR5 RDIMM modules in the SuperMicro SSG‑521E and what step is often missed?

Power down, open the chassis, align each 1Rx8 module with the DDR5 slot key and press firmly until both retention clips lock; the step often missed is confirming the motherboard sees the full 32 GB at 4800 MT/s in BIOS before closing the case.

What maintenance or replacement will the ECC registered kit need over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement is only needed if a DIMM fails ECC correction or the server is upgraded beyond the 32 GB capacity.

What limit appears first when the kit runs sustained workloads at 1.1 V?

The registered DDR5 4800 CL40 timing and 1.10 V operating voltage set the thermal and signal‑integrity ceiling; under continuous load the memory controller will throttle frequency before voltage or capacity limits are reached.

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