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Eight green circuit boards with black chips and gold contacts in a clear tray

NEMIX RAM

NEMIX RAM 1TB 8x128GB DDR5 6400 CL52 1.1V 4Rx4 ECC RDIMM Supermicro X14SDW-64C-SP9F memory upgrade

SKU CH-19RW-RZ808

A 1 TB DDR5 registered ECC memory kit of eight 128 GB modules running at 6400 MT/s with CL52 latency and 1.1 V for the Supermicro X14SDW-64C-SP9F motherboard

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 1TB 8X128GB

Show 4 more configurations
  • 1 TB capacity across eight 128 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated throughput on supported platforms
  • 1 V registered ECC RDIMM architecture offloads the memory controller and corrects single-bit errors
  • 4Rx4 288-pin form factor matches the Supermicro X14SDW-64C-SP9F population rules exactly
  • Lifetime replacement warranty with US-based technical support included

Capacity and fit

This kit supplies 1TB of DDR5 memory across eight 128GB RDIMMs built to the exact 4Rx4 registered ECC specification the Supermicro X14SDW-64C-SP9F expects. The 288-pin modules operate at 1.1V with CL52 timing so the board recognises the full capacity at its rated 6400 MT/s speed.

Upgrade path

It replaces a partial or mixed-capacity population that leaves memory channels unbalanced or forces the controller to downclock. The jump is worth it when the workload demands every slot filled with matching rank and voltage so the server runs at the full PC5-51200 data rate without negotiation losses.

Sustained operation

Registered buffering offloads the memory controller, allowing all eight slots to stay fully populated under continuous load while ECC corrects single-bit errors in real time. The 1.1V operating point keeps power draw stable during long compute runs, and the absence of heat spreaders relies on the chassis airflow the platform already provides.

Highlights

  • 1 TB capacity across eight 128 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated throughput on supported platforms
  • 1 V registered ECC RDIMM architecture offloads the memory controller and corrects single-bit errors
  • 4Rx4 288-pin form factor matches the Supermicro X14SDW-64C-SP9F population rules exactly
  • Lifetime replacement warranty with US-based technical support included

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K8
Capacity1TB (8 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 Content1TB 8X128GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will these 288-pin RDIMMs fit the DIMM slots on my Supermicro X14SDW-64C-SP9F motherboard?

Yes, the kit uses the exact 288-pin DDR5 RDIMM form factor required by that board, so each module seats in the standard server DIMM slots without adapters.

What is the correct population order when installing all eight 128 GB modules?

Follow the motherboard manual's approved DIMM population sequence; the board's memory-controller rules dictate which slots must be filled first for full 1 TB recognition at DDR5-6400.

Do the modules have a heat spreader that could interfere with tall CPU coolers?

No heat spreader is present on these RDIMMs, so they sit low in the slots and clear even large server heatsinks.

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