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Four green DDR5 RDIMM modules in a kit

NEMIX RAM

NEMIX RAM 256GB (4×64GB) DDR5 5600 CL46 2Rx4 ECC Registered RDIMM memory upgrade for Supermicro H13SSH-E

SKU CH-HDP8-99DQJ

A 256 GB DDR5 server memory kit of four 64 GB registered ECC RDIMMs at 5600 MHz CL46 1.1 V for Supermicro H13SSH-E

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256 GB capacity across four 64 GB modules for maximum server density
  • DDR5 5600 speed with CL46 latency delivers rated bandwidth without downclocking
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operation matches the motherboard's voltage requirement exactly
  • 288-pin RDIMM form factor fits the Supermicro H13SSH-E memory slots precisely

256GB DDR5 RDIMM kit for Supermicro H13SSH-E

This 256GB kit contains four 64GB DDR5 Registered ECC modules built to the exact specifications required by the Supermicro H13SSH-E motherboard. The 288-pin RDIMM form factor matches the board's memory slots, ensuring full capacity recognition at the rated 5600MHz speed.

Registered ECC stability under full population

Registered architecture buffers the command and address signals, allowing all four slots to operate at the rated 5600MHz CL46 timing with 1.1V. ECC detects and corrects single-bit errors in real time, preventing silent data corruption during sustained, fully populated workloads.

Replaces partial or non-ECC memory configurations

The jump is worth it when moving from a partially filled bank or unbuffered modules that limit capacity and lack error correction. This kit delivers the maximum validated density per slot with the registered buffering and ECC protection the platform requires for production reliability.

How it compares

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

Price $8,219.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $32.11 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 numberMR44800-924K4
Total capacity256 GB (4 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 4 × 64 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the 1.1V DDR5 5600 kit run cooler than higher-voltage alternatives?

The modules operate at 1.1V, which is the standard DDR5 voltage. Lower voltage generally reduces power draw and heat, but exact thermal performance depends on your server's airflow and population rules.

What motherboard slot type and population rules must my Supermicro H13SSH-E support for this 256GB kit?

The board must accept 288-pin Registered DDR5 RDIMMs and allow four 64GB 2Rx4 modules. Check the manual for the approved DIMM population order before installing all four sticks.

Can I mix these 2Rx4 Registered ECC sticks with older single-rank UDIMMs I already own?

No. Registered RDIMMs and unbuffered UDIMMs use different signalling and cannot be mixed. The H13SSH-E requires Registered ECC modules, so older UDIMMs would prevent the system from booting.

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