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Two green DDR5 RDIMM modules with black chips, no heat spreader, 288 pins each

NEMIX RAM

NEMIX RAM DDR5 256GB (2×128GB) 5600MHz ECC RDIMM 2Rx4 CL46 1.1V 288-pin Supermicro H13DSG-O-CPU memory upgrade

SKU CH-22Z4-R0WY0

256 GB kit of two 128 GB DDR5 5600 MHz registered ECC RDIMMs at 1.1 V, CL46, 2Rx4, 288-pin, validated for Supermicro H13DSG-O-CPU

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from two 128 GB modules
  • DDR5 5600 speed rated at PC5-44800 for rated throughput
  • Registered ECC RDIMM corrects single-bit errors on the fly
  • 2Rx4 dual-rank organisation matches the board's population rules
  • 1 V standard voltage keeps power draw within spec

Exact-match upgrade for Supermicro H13DSG-O-CPU

This 256 GB kit delivers two 128 GB DDR5 registered ECC RDIMMs built to the precise rank, voltage and timing the server's memory controller expects. The modules are validated for full-capacity recognition and rated-speed operation on that specific motherboard.

Thermals noise and power draw in normal use

Registered buffering reduces electrical load on the memory controller, allowing all slots to run fully populated at 1.1 V without additional cooling requirements. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production workloads.

What the bundled accessories

The kit contains only the two 288-pin RDIMMs; no heat spreaders, software utilities or extra cables are included. Installation follows the motherboard manual's population rules, and lifetime replacement coverage with US-based technical support backs the hardware.

How it compares

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

Price $8,764.99
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
Heat spreaderNo
Memory rank2Rx4
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

Questions about this item

How do I install the 2×128GB DDR5 5600MHz RDIMM kit into the Supermicro H13DSG-O-CPU and which slot order does the manual require?

Power down the server, open the chassis, and insert each 288-pin module into the DIMM slots specified by the motherboard manual for a two-DIMM population; the registered buffer and 1.1V operation mean the board must see the exact rank and voltage combination to train at 5600MT/s.

What maintenance or replacement will the 256GB DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders or moving parts, so routine maintenance is limited to keeping server airflow clean; ECC corrects single-bit errors automatically, but if a module develops uncorrectable errors the lifetime replacement warranty covers a swap.

What limit appears first when the 2Rx4 DDR5-5600 CL46 kit runs sustained workloads on the H13DSG-O-CPU?

The registered design offloads the memory controller, allowing full-speed operation at 5600MT/s with both slots populated; the first bound you hit will be the platform’s maximum supported capacity or thermal envelope, not the DIMM’s own timing or voltage ceiling.

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