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Two green DDR5 RDIMM modules, no heat spreaders, gold contacts, 288-pin form factor

NEMIX RAM

NEMIX RAM MR51200-744K2 256GB 2x128GB DDR5 6400 CL52 4Rx4 ECC RDIMM Supermicro X14SDW-72C-SP9F memory upgrade

SKU CH-ZQZB-1EEG6

256 GB DDR5 6400 registered ECC kit built to the exact rank, voltage and timing the Supermicro X14SDW-72C-SP9F memory controller expects

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

Voir les 4 autres configurations
  • Exact-fit 256 GB kit for Supermicro X14SDW-72C-SP9F
  • Registered ECC DDR5-6400 CL52 at 1.1 V for full-speed stability
  • 4Rx4 288-pin RDIMM architecture keeps every slot populated at capacity
  • Lifetime replacement warranty with free US-based technical support
  • Major OEM Samsung Micron Hynix chips ensure enterprise-grade reliability

Capacity and purpose

This 256 GB kit contains two 128 GB DDR5 modules built for the Supermicro X14SDW-72C-SP9F motherboard. The 4Rx4 registered ECC design targets servers that need maximum density and error correction in every slot.

Upgrade path

It replaces lower-capacity RDIMMs or mixed-rank configurations that limit total memory or force reduced speeds. The jump is worth it when the workload demands full 256 GB operation at DDR5 6400 with CL52 timing and 1.1 V registered stability.

Installation notes

The 288-pin RDIMM form factor fits only the registered DIMM slots specified in the board manual; UDIMM or SODIMM slots will not accept it. Common issues include ignoring the required population order, skipping a BIOS update, or mixing ranks, any of which can prevent the system from recognising the full capacity.

Points forts

  • Exact-fit 256 GB kit for Supermicro X14SDW-72C-SP9F
  • Registered ECC DDR5-6400 CL52 at 1.1 V for full-speed stability
  • 4Rx4 288-pin RDIMM architecture keeps every slot populated at capacity
  • Lifetime replacement warranty with free US-based technical support
  • Major OEM Samsung Micron Hynix chips ensure enterprise-grade reliability

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

Will the 288-pin DDR5 RDIMM modules fit the Supermicro X14SDW-72C-SP9F motherboard?

Yes, the kit uses the 288-pin Registered DDR5 form factor that the X14SDW-72C-SP9F requires, so each 128 GB module seats directly in the board's DDR5 DIMM slots.

What is the correct installation order for the two 128 GB 4Rx4 modules on this board?

Install the modules in the exact DIMM population sequence shown in the Supermicro X14SDW-72C-SP9F manual; skipping a slot or reversing the order will prevent the server from recognising the full 256 GB capacity.

Do these 1.1 V DDR5 ECC RDIMMs need any firmware updates or periodic maintenance?

No firmware updates are required for the memory itself; the modules run at the rated 1.1 V with on-die ECC, and the only ongoing care is keeping the server's air filters clean so the DIMMs stay within thermal limits.

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