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Four green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM 512GB DDR5 5600 4Rx4 ECC RDIMM 4x128GB memory upgrade

SKU CH-B3ZX-9WZG8

512GB DDR5 5600 4Rx4 ECC Registered RDIMM kit (4x128GB) validated for the Supermicro X14SDW-36CE-SP9F 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 speed with CL46 latency at 1.1 V for rated performance
  • Registered ECC RDIMM architecture corrects single-bit errors and offloads the memory controller
  • 288-pin 4Rx4 form factor matches Supermicro X14SDW-36CE-SP9F population rules exactly
  • Lifetime replacement warranty with free US-based technical support included

Exact-fit DDR5 512GB kit

This 4 x 128 GB DDR5-5600 registered ECC RDIMM kit is built for the Supermicro X14SDW-36CE-SP9F motherboard. It matches the board's required 288-pin RDIMM form factor, 1.1 V operating voltage, CL46 timing and 4Rx4 rank structure so the memory controller recognises every module at full rated speed.

Replaces partial or mismatched DDR5 population

When a server runs with fewer than four slots filled or with modules that differ in rank or voltage, the memory controller may downclock or disable ECC. Installing this matched quad-kit restores full-channel bandwidth and registered buffering across all populated slots, eliminating the instability that mixed populations introduce.

512 GB registered ECC headroom

The 512 GB total capacity supports large in-memory databases, virtualisation clusters and high-thread-count compute jobs while on-die ECC corrects single-bit errors before they reach the OS. Workloads that exceed 512 GB or that require unbuffered UDIMM or SODIMM form factors cannot use this kit.

How it compares

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

Price $17,904.99
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 $34.97 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

Other versions of this model

5 more in the same range

Questions about this item

Will these 288-pin DDR5 RDIMMs fit the DIMM slots on a Supermicro X14SDW-36CE-SP9F motherboard?

Yes. The kit is verified for that exact board and uses the 288-pin Registered RDIMM form factor the motherboard requires, not UDIMM or SODIMM.

What is the correct population order when installing all four 128 GB modules in the Supermicro X14SDW-36CE-SP9F?

Consult the motherboard manual for the approved DIMM population sequence; the board's memory-controller rules dictate which slots must be filled first for full 512 GB recognition.

Do these Samsung, Micron or Hynix 4Rx4 chips require any firmware updates or periodic re-seating to maintain ECC stability?

No scheduled firmware or re-seating is needed; the registered ECC design corrects single-bit errors on the fly and the modules are covered by a lifetime replacement warranty.

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