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Four green DDR5 RDIMM modules with black chips and gold contacts no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 5600MHz 512GB 4x128GB ECC RDIMM CL46 1.1V Supermicro X14SDV-42C-SP3F memory upgrade

SKU CH-K252-8ZY2A

A 512 GB DDR5 registered ECC memory kit of four 128 GB modules running at 5600 MHz CL46 and 1.1 V, validated for the Supermicro X14SDV-42C-SP3F motherboard

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 4X128GB

  • 512 GB total capacity from four 128 GB modules for maximum server memory density
  • DDR5-5600 (PC5-44800) speed matches the Supermicro X14SDV-42C-SP3F memory controller specification
  • Registered ECC RDIMM with 4Rx4 organisation offloads the controller and corrects single-bit errors
  • 1 V operating voltage and CL46 latency exactly as the platform expects for stable full-population operation
  • 288-pin DDR5 RDIMM form factor fits the motherboard slots without adapters or mismatched modules

512GB DDR5 ECC RDIMM kit for Supermicro X14SDV

This 512GB kit contains four 128GB DDR5 5600MHz Registered ECC RDIMMs built for the Supermicro X14SDV-42C-SP3F motherboard. It targets administrators who need maximum capacity on this specific platform. The modules run at 1.1V with CL46 latency and a 4Rx4 organisation. Each stick uses the 288-pin RDIMM form factor required by the board.

Replaces partial or slower memory configurations

Upgrading from a smaller kit or lower-speed modules lets the server address the full 512GB at the rated 5600MHz data rate. The jump is worthwhile when workloads demand the full registered ECC capacity and the memory controller can populate all four slots without down-clocking. Registered buffering keeps every slot stable at full population.

Verify motherboard manual for population rules

Before ordering, confirm the Supermicro X14SDV-42C-SP3F manual for approved DIMM population order, maximum supported capacity per slot, and any BIOS version requirements. The board must accept 4Rx4 Registered ECC RDIMMs at 1.1V to run this kit at its specified speed. Incorrect population order can prevent boot or reduce usable capacity.

How it compares

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

Price $17,996.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $35.15 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 numberMR44800-744K4
Total capacity512 GB (4 × 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 items512 GB 4 × 128 GB DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Does the 288-pin RDIMM form factor match the DIMM slots on the Supermicro X14SDV-42C-SP3F motherboard?

Yes, the kit uses the 288-pin DDR5 RDIMM form factor that the X14SDV-42C-SP3F requires, so each module seats directly in the board's registered DIMM slots without adapters.

What is the correct population order for the four 128GB modules on this motherboard?

Install the modules in the sequence specified by the Supermicro X14SDV-42C-SP3F manual — typically filling the primary channel slots first — so the memory controller recognises the full 512GB at DDR5-5600.

Will the registered ECC design and 1.1V operation reduce long-term wear compared with unbuffered memory?

The registered architecture offloads the memory controller and ECC corrects single-bit errors on the fly, lowering electrical stress and preventing silent data corruption over the server's service life.

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