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Sixteen green DDR5 RDIMM modules without heat spreaders in a tray

NEMIX RAM

NEMIX RAM DDR5 5600 ECC RDIMM 256GB (16x16GB) CL46 1.1V Supermicro H13SSH

SKU CH-8RS1-GRTZC

256GB kit of sixteen 16GB DDR5-5600 registered ECC RDIMMs at 1.1V CL46, validated for the Supermicro H13SSH motherboard

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Full 256 GB capacity with 16 matched 16 GB DDR5 modules
  • Registered ECC design corrects single-bit errors and keeps all slots stable at full load
  • DDR5-5600 CL46 at 1.1 V matches the memory controller's exact timing and voltage needs
  • 288-pin RDIMM form factor verified for the Supermicro H13SSH motherboard
  • Built with major OEM chips from Samsung, Micron or Hynix for enterprise reliability

Exact-match DDR5 server kit

This NEMIX RAM kit delivers 256GB across sixteen 16GB DDR5-5600 RDIMMs tuned to CL46 at 1.1V. It is built for administrators upgrading a Supermicro H13SSH platform that requires registered ECC modules in every slot.

Registered ECC RDIMM form factor

Each module uses a 288-pin registered design with 1Rx8 organization so the memory controller sees the correct electrical load. The board will not accept unbuffered UDIMMs or SODIMMs, and this kit matches the exact pinout and signalling the H13SSH expects.

Sustained enterprise stability

Registered buffering offloads the controller when all sixteen slots are populated, while on-die ECC corrects single-bit errors continuously during long-running workloads. The 1.1V operating point keeps power draw predictable under constant utilisation.

How it compares

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

Price $8,003.99
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 $31.27 per GB
Pricier than about 90% 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 numberMR44800-618K16
Total capacity256 GB (16 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
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 5600 MHz PC5-44800 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the DDR5 5600 speed run at its rated 5600 MT/s once all 16 modules are installed in the Supermicro H13SSH?

Yes, the kit is spec-matched to the board's memory controller so it is recognised at the full 256 GB capacity and operates at the rated 5600 MT/s when populated according to the manual.

Does the PC5-44800 rating limit the actual bandwidth I will see in this server?

PC5-44800 is the peak transfer rate for DDR5 5600; the registered buffer and ECC overhead are already accounted for, so sustained bandwidth matches the rated figure when all slots are filled.

What physical slot and clearance do these 288-pin RDIMMs need on the H13SSH?

They require standard 288-pin DDR5 RDIMM sockets; the modules have no heat spreader, so they fit the H13SSH's DIMM slots without extra height clearance.

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