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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 128GB each

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 5600 CL46 4Rx4 ECC RDIMM Supermicro X14SDW-40C-SP9F memory upgrade

SKU CH-80AS-W9820

256 GB kit of two 128 GB DDR5 5600 CL46 4Rx4 ECC RDIMM modules validated for the Supermicro X14SDW-40C-SP9F motherboard

  • 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

  • 256 GB capacity across two 128 GB modules maximises server memory density
  • DDR5 5600 speed with CL46 latency delivers rated throughput for demanding workloads
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1 V operation matches platform voltage requirements for reliable compatibility
  • 288-pin RDIMM form factor fits the Supermicro X14SDW-40C-SP9F memory controller exactly

Server memory kit for Supermicro X14SDW-40C-SP9F

This 256 GB kit contains two 128 GB DDR5 RDIMMs rated at 5600 MT/s with CL46 latency and 1.10 V operation. Registered ECC architecture with 4Rx4 organisation matches the memory controller requirements of the Supermicro X14SDW-40C-SP9F motherboard.

Suited for populated server upgrades not partial

Administrators expanding every slot on the X14SDW-40C-SP9F will get full-capacity recognition and ECC error correction. Builders needing only a single module or a lower total capacity should look elsewhere because the kit is sold as a matched pair.

4Rx4 registered ECC at 1.10 V decides compatibility

The board expects 288-pin RDIMMs with exactly this rank structure, voltage and error-correction type. Modules with different ranks, voltage or unbuffered design will not initialise correctly on this platform.

How it compares

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

Price $8,055.99
Pricier than about 84% 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 $31.47 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 numberMR44800-744K2
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 rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 2 × 128 GB DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Supermicro X14SDW-40C-SP9F motherboard?

Yes, the kit uses the 288-pin RDIMM form factor that this board requires, not UDIMM or SODIMM.

What population order should I follow when installing the 2 x 128 GB DDR5 5600 CL46 4Rx4 RDIMMs?

Consult the motherboard manual for the approved DIMM population order before installing both modules.

Do the DDR5 5600 RDIMMs need a heat spreader or active cooling for long-term operation?

The modules have no heat spreader; rely on the server's chassis airflow to keep them within operating temperature.

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