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Two green DDR5 RDIMM modules with black chips, no heat spreaders, 288-pin edge connectors

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 5600MHz ECC Registered RDIMM Supermicro H13SST-GC memory upgrade

SKU CH-WZVH-15Z5K

256 GB kit of two 128 GB DDR5 5600 MHz ECC registered RDIMMs with CL46 latency and 1.1 V operation for Supermicro H13SST-GC motherboards

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 2X128GB

Show 24 more
  • 256 GB total capacity for memory-intensive server workloads using two 128 GB modules
  • DDR5 5600 speed with CL46 latency delivers rated throughput for the Supermicro H13SST-GC
  • Registered ECC RDIMM architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operating voltage matches the board's memory controller specification exactly
  • 288-pin 2Rx4 RDIMM form factor fits the required slots without adaptation

Supermicro H13SST-GC memory kit

This 256 GB kit contains two 128 GB DDR5 RDIMM modules built for the Supermicro H13SST-GC motherboard. Each module runs at 5600 MHz with CL46 latency at 1.10 V. Registered ECC design meets the board's requirement for buffered memory in every populated slot.

Capacity and headroom

Two 128 GB modules give 256 GB total across two slots, using a 2Rx4 organisation that the memory controller recognises at full capacity. Registered buffering keeps signal integrity stable when all supported slots are filled. The kit will not fit boards that require UDIMM or SODIMM form factors.

Build and connectors

Modules use the 288-pin DDR5 RDIMM interface with no heat spreader, relying on server chassis airflow for cooling. Major OEM chips from Samsung, Micron or Hynix provide enterprise-grade stability. ECC corrects single-bit errors on the fly to prevent silent data corruption.

How it compares

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

Price $8,765.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $34.24 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 numberMR44800-724K2
Total capacity256 GB (2 × 128 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 2 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Will this 256GB DDR5-5600 RDIMM kit work alongside existing 128GB modules already installed in my Supermicro H13SST-GC?

The kit uses 2Rx4 rank organisation, 1.10 V and CL46 timing. Matching those specifications with any modules already in the system is required for stable operation at the rated 5600 MT/s speed.

How can I verify the memory is running at DDR5-5600 with ECC active after installation?

Enter the BIOS or use a hardware-information utility and confirm the memory frequency reads 5600 MT/s, the voltage shows 1.10 V and the ECC status reports enabled or active.

What exactly ships in the box and is anything else needed to install it?

The package contains two 128 GB 288-pin DDR5 RDIMM modules. No heat spreaders, cables or additional components are included; the motherboard provides the required slots and power.

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