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Two green DDR5 RDIMM modules with black chips no heat spreader

NEMIX RAM

NEMIX RAM 128GB 2x64GB DDR5 5600 PC5-44800 CL46 1.1V 2Rx4 ECC RDIMM Supermicro H13SSH memory upgrade

SKU CH-Z0YB-JW5GJ

A 128GB DDR5 ECC RDIMM kit (2x64GB) running at 5600MHz with CL46 latency and 1.1V, registered 2Rx4 architecture for Supermicro H13SSH servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity from a matched 2 × 64 GB kit
  • DDR5-5600 (PC5-44800) speed runs at the board's rated frequency
  • Registered ECC with 2Rx4 organisation offloads the controller and corrects single-bit errors
  • 1 V operation matches the platform's voltage requirement
  • 288-pin RDIMM form factor fits the Supermicro H13SSH motherboard exactly

NEMIX RAM 128GB DDR5-5600 ECC RDIMM Kit

This 128GB kit contains two 64GB DDR5 registered DIMMs rated at 5600 MT/s with CL46 latency and 1.1V operation. It is built for the Supermicro H13SSH motherboard and delivers the exact rank, voltage and timing that the platform's memory controller expects. The modules use 2Rx4 organisation and 288-pin RDIMM form factor for full-capacity recognition at rated speed.

For Servers Needing Registered ECC on H13SSH

This memory suits administrators upgrading a Supermicro H13SSH system that requires registered ECC DDR5 RDIMMs populated per the board's validated configuration. It is not for workstations or desktops that accept only unbuffered UDIMMs, nor for laptops or small-form-factor boards limited to SODIMM slots. Buyers needing higher density per module or different speed grades should consult the motherboard manual for supported population rules before purchasing.

2Rx4 Registered ECC DDR5 at 1.1V

The deciding specification is the 2Rx4 registered ECC DDR5 organisation running at 1.1V with CL46 timing, which matches the Supermicro H13SSH memory controller requirements for full-capacity operation. Using unbuffered or non-ECC modules would prevent the system from recognising the full 128GB or running at the rated 5600 MT/s speed. Verify the motherboard's approved DIMM population order in the manual before installation.

How it compares

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

Price $4,008.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $31.32 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 numberMR44800-924K2
Total capacity128 GB (2 × 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 items128 GB 2 × 64 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Do I need a Supermicro H13SSH motherboard with DDR5 RDIMM slots to use this 128GB kit?

Yes, this kit is built for the Supermicro H13SSH motherboard and requires its 288-pin DDR5 RDIMM slots; other boards or DDR generations will not accept these modules.

Can I add this 2Rx4 registered ECC kit to a board that already has 1Rx8 registered ECC modules installed?

Mixing 2Rx4 and 1Rx8 registered ECC DIMMs is possible only if the Supermicro H13SSH manual approves the combined population order; otherwise the system may not recognise the full 128GB capacity.

How do I confirm the kit is running at DDR5 5600 with CL46 timings after installation?

Enter the BIOS or use a hardware-information tool and verify the memory speed shows 5600 MT/s, the CAS latency reads 46, and the total capacity reports 128GB across both slots.

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