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Two green DDR5 RDIMM modules with black chips and gold contacts no heat spreader

NEMIX RAM

NEMIX RAM DDR5 32GB (2x16GB) 4800MHz ECC Registered RDIMM 1Rx8 CL40 1.1V Supermicro H13SSF memory upgrade

SKU CH-V9JY-M1DNX

32 GB dual-channel DDR5 ECC RDIMM kit at 4800 MHz CL40, 1.1 V, 1Rx8, validated for the Supermicro H13SSF motherboard

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 32GB 2X16GB

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  • 32 GB kit runs at DDR5-4800 with CL40 timing for rated server speed
  • Registered ECC design corrects single-bit errors and keeps all slots stable fully populated
  • 1 V 1Rx8 modules match Supermicro H13SSF memory-controller requirements exactly
  • 288-pin RDIMM form factor fits the board's DIMM slots — not UDIMM or SODIMM
  • Major OEM Samsung, Micron or Hynix chips provide enterprise-grade component quality

32GB DDR5 ECC RDIMM kit for Supermicro H13SSF

This 32GB kit contains two 16GB DDR5 4800MHz Registered ECC RDIMMs built to the exact rank, voltage and timing the Supermicro H13SSF memory controller expects. The 1Rx8 organization and CL40 latency match the board's population rules so every slot is recognised at full capacity. It is designed for servers that require registered error-correcting memory and will not work in systems that only accept unbuffered UDIMMs or SODIMMs.

Thermals noise and power draw

Operating at 1.10V the modules draw minimal power and run without a heat spreader, relying on the server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping keep system power stable when all slots are populated. No active cooling is included so acoustics depend entirely on the host server's fan profile.

Build quality and daily implications

The 288-pin RDIMM form factor fits only motherboards wired for registered DDR5 memory; it cannot be installed in consumer boards or laptops. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption that could halt production workloads. Major OEM DRAM from Samsung Micron or Hynix underpins the lifetime replacement warranty and US-based technical support.

How it compares

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

Price $900.99
Pricier than about 60% 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 $28.16 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 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
Memory rank1Rx8
Heat spreaderNo
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 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install these 288-pin RDIMMs in the Supermicro H13SSF, and which slot order does the manual require?

Power down the server, open the chassis, and insert each 16 GB module into the DIMM slots specified by the Supermicro H13SSF manual for a two-DIMM population; the registered design needs the exact slot order so the memory controller initialises all 32 GB at DDR5-4800.

What maintenance or replacement will this DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreader and no moving parts, so no routine maintenance is required; if a single-bit error exceeds ECC correction or a module fails, the lifetime replacement warranty covers a swap of the affected 16 GB DIMM.

What limit appears first when the Supermicro H13SSF runs this 1Rx8 kit at full load continuously?

The registered buffer and 1.10 V operation keep the memory controller stable, so the first ceiling you hit is the DDR5-4800 CL40 timing ceiling — bandwidth and latency stay fixed at the rated 38400 MT/s transfer rate.

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