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Sixteen green DDR5 RDIMM modules in a row, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 256GB (16x16GB) 6400 CL52 1.1V 1Rx8 Supermicro H13DSH

SKU CH-DPEF-HS9J9

A 256GB (16×16GB) DDR5-6400 ECC Registered RDIMM kit at 1.1V CL52, validated for Supermicro H13DSH servers

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256GB kit fills every slot on the Supermicro H13DSH
  • DDR5-6400 CL52 at 1.1V matches the board's rated speed
  • Registered ECC design keeps all 16 modules stable at full capacity
  • 1Rx8 rank layout meets the motherboard's exact population rules
  • Major OEM Samsung, Micron or Hynix chips deliver enterprise-grade reliability

Server memory kit for Supermicro H13DSH

This 256GB kit contains sixteen 16GB DDR5 Registered ECC RDIMMs built for the Supermicro H13DSH motherboard. Each module runs at 6400MHz with CL52 latency at 1.1V in a 1Rx8 layout. The registered design lets the memory controller drive all sixteen slots at full capacity.

Suited for administrators populating every slot

Buyers who need a smaller capacity or a different form factor such as UDIMM or SODIMM should look elsewhere. Systems that cannot accept registered ECC DDR5 RDIMMs will not work with this kit.

288-pin DDR5 RDIMM form factor

The modules use the 288-pin registered DDR5 layout required by the H13DSH. A motherboard that does not support this exact pinout and registered signalling will not recognise the memory.

How it compares

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

Price $7,639.99
Pricier than about 84% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (16 × 16 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $29.84 per GB
Pricier than about 85% 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 numberMR51200-618K16
Total capacity256 GB (16 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 16 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 6400 MT/s speed actually run at 6400 MT/s on a Supermicro H13DSH?

The kit is spec-matched to the H13DSH so the memory controller recognises the 1Rx8 rank, 1.10 V voltage and CL52 timing, allowing all 16 modules to operate at the rated DDR5-6400 data rate.

What does the PC5-51200 label cap in real use?

PC5-51200 denotes the peak transfer bandwidth of the DDR5-6400 modules; actual throughput is limited by the H13DSH memory controller and the number of populated channels.

Do these 288-pin RDIMMs fit the H13DSH DIMM slots without adapters?

Yes, the 288-pin registered RDIMM form factor is exactly what the H13DSH requires; no UDIMM or SODIMM adapters are needed.

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