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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 384GB (12x32GB) DDR5 4800 CL40 2Rx8 ECC RDIMM Supermicro H14DSH memory upgrade

SKU CH-8RVD-XAQ97

A 384GB kit of twelve 32GB DDR5-4800 ECC registered RDIMMs built for the Supermicro H14DSH motherboard

  • 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 across 12 modules of 32 GB each
  • DDR5 4800 speed with CL40 latency runs at rated frequency
  • Registered ECC design offloads controller and corrects single-bit errors
  • 1 V operation at 2Rx8 rank matches server memory-controller expectations
  • 288-pin RDIMM form factor verified for Supermicro H14DSH motherboard

384GB DDR5 4800 RDIMM kit

This 384GB kit contains twelve 32GB DDR5 4800 registered ECC RDIMMs built for the Supermicro H14DSH motherboard. Each module runs at 1.1V with CL40 latency and a 2Rx8 organization that matches the board's memory controller expectations. The 288-pin form factor is the exact type the platform requires for full population.

Upgrade from smaller or mixed-capacity kits

Adding this kit replaces partial fills or mismatched modules that limit total capacity or force the controller to run at reduced speeds. The jump is worth it when the workload needs the full 384GB address space and the stability of registered ECC across every slot. Systems that cannot accept twelve RDIMMs or that require a different voltage or rank layout will not benefit.

DDR5 4800 registered ECC limits

The DDR5 4800 standard sets the baseline data rate and timing the modules operate at when fully populated. Registered buffering and ECC add latency overhead compared to unbuffered non-ECC memory but are mandatory for the platform's error-correction and signal-integrity requirements. Boards that do not support registered DDR5 RDIMMs or that cap maximum capacity below 384GB cannot use this kit.

How it compares

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

Price $11,389.99
Pricier than about 89% 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 $29.66 per GB
Pricier than about 84% 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

Other versions of this model

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Questions about this item

Does this kit use the 288-pin RDIMM form factor that the Supermicro H14DSH motherboard requires?

Yes, every module in the 12 x 32 GB kit is a 288-pin DDR5 RDIMM, matching the registered DIMM slots on the H14DSH board.

What is the correct population order when installing all twelve 2Rx8 modules on the H14DSH?

Follow the motherboard manual's approved DIMM population sequence; the board's memory-controller rules dictate which slots must be filled first for full 384 GB recognition.

Will the Samsung, Micron or Hynix DRAM chips on these modules need any firmware updates or scheduled replacement?

No, the DRAM components are standard JEDEC DDR5 devices; they operate at 1.1 V with CL40 timing and have no user-serviceable firmware or replacement schedule.

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