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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 384GB (12x32GB) DDR5 4800 CL40 1.1V 2Rx8 ECC RDIMM Kit for Supermicro H13SSH

SKU CH-QFY7-SXFMX

A 384GB kit of twelve 32GB DDR5-4800 registered ECC RDIMMs at CL40 and 1.1V, validated for Supermicro H13SSH motherboards

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 12X32GB

Show 30 more
  • 384 GB total capacity from twelve 32 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • Registered ECC RDIMM architecture for full-slot stability
  • 2Rx8 dual-rank organisation matches controller expectations
  • Verified fitment for Supermicro H13SSH motherboard

Server-grade memory kit

This 384GB kit contains twelve 32GB DDR5 RDIMM modules built for the Supermicro H13SSH motherboard. Each module is registered and ECC-enabled, matching the board's required 288-pin form factor and population rules. The kit delivers the exact rank, voltage and timing the server's memory controller expects for full-capacity recognition.

Sustained-load behaviour

Registered architecture offloads the memory controller so every slot runs fully populated at the rated 4800 speed without throttling. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption during continuous workloads. The 1.1V operating voltage keeps power draw stable across all twelve modules under prolonged demand.

Deciding specification

The 2Rx8 registered ECC configuration at CL40 and 1.1V is the single parameter that determines compatibility with the target platform. Only modules presenting this exact organisation, timing and voltage will initialise at full 384GB capacity on the H13SSH. Verify the motherboard manual for approved population order before installation.

How it compares

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

Price $10,468.99
Pricier than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $27.26 per GB
Pricier than about 76% 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 numberMR38400-328K12
Total capacity384 GB (12 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 12 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How much power does the DDR5 4800 1.1V kit draw when the server runs continuously?

Each module operates at 1.10 V, the standard voltage for DDR5 RDIMMs, keeping power draw low even with all twelve slots populated.

What motherboard feature must already be present for this 288-pin registered ECC kit to function?

The Supermicro H13SSH must provide twelve 288-pin DDR5 RDIMM slots with registered ECC support matching the 2Rx8 rank layout.

Will the 2Rx8 registered modules work alongside older single-rank DDR5 DIMMs already installed?

Mixing 2Rx8 registered DIMMs with different rank or buffer types is not supported; the board requires identical registered modules in every populated slot.

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