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Four green DDR5 RDIMM modules in static bags

NEMIX RAM

NEMIX RAM DDR5 5600 256GB 4x64GB CL46 2Rx4 ECC RDIMM Supermicro X14SDW-40C-SP9F memory upgrade

SKU CH-7GDJ-MA643

256 GB DDR5-5600 ECC RDIMM kit of four 64 GB modules at CL46, 1.1 V, 2Rx4 registered, validated for Supermicro X14SDW-40C-SP9F

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 4X64GB

  • 256 GB total capacity with four 64 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • Registered ECC design corrects single-bit errors automatically
  • 1 V operation at CL46 latency for efficient performance
  • Validated for Supermicro X14SDW-40C-SP9F motherboard

256 GB DDR5-5600 ECC RDIMM kit

This 256 GB kit contains four 64 GB DDR5-5600 registered ECC RDIMMs built for the Supermicro X14SDW-40C-SP9F motherboard. Each module runs at 1.1 V with CL46 latency and a 2Rx4 rank layout that matches the board's memory controller requirements. The registered design offloads the controller so all slots can be fully populated at rated speed. It is intended for administrators upgrading that specific server platform with validated, high-capacity memory.

Suited for Supermicro X14SDW-40C-SP9F upgrades

The kit fits only systems that accept 288-pin DDR5 RDIMMs with registered ECC and the exact 2Rx4 organisation at 5600 MT/s. Builders using consumer boards, workstations that require UDIMMs, or servers needing a different rank, voltage, or form factor should look elsewhere. The modules have no heat spreader, so chassis airflow must meet the server vendor's thermal guidelines for full-load operation.

Four 64 GB modules give 256 GB total

Populating all four slots delivers 256 GB of registered ECC capacity for virtualisation, database, or compute workloads that benefit from large memory footprints. The 2Rx4 organisation and registered buffer let the controller drive every slot at DDR5-5600 without down-clocking. Capacity stops at 256 GB with this kit; workloads needing more memory per socket or a different DIMM count will require a different validated configuration.

How it compares

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

Price $7,485.99
Pricier than about 84% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $29.24 per GB
Pricier than about 83% 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 numberMR44800-924K4
Total capacity256 GB (4 × 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 items256 GB 4 × 64 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Does my Supermicro X14SDW-40C-SP9F motherboard need to support DDR5 5600 RDIMM modules for this 256GB kit to work?

Yes, the board must accept DDR5 5600 registered ECC RDIMMs; the kit is built to the exact PC5-44800, CL46, 1.1V, 2Rx4 specification the X14SDW-40C-SP9F memory controller expects.

Can I keep any existing DDR5 RDIMMs installed while adding this 4×64GB kit to the X14SDW-40C-SP9F?

Only if the current modules are also DDR5 5600 registered ECC 2Rx4 RDIMMs at 1.1V; mixing speeds, ranks, or voltages will force the system to down-clock or fail POST.

How do I confirm the kit is running at its rated DDR5 5600 speed after installation?

Check the BIOS memory information or OS tools such as dmidecode; they should report 5600 MT/s, PC5-44800, CL46 timings and 256GB total across all four slots.

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