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Two green DDR5 RDIMM modules in a clear tray

NEMIX RAM

NEMIX RAM DDR5 6400 128GB 2x64GB 4Rx4 CL52 1.1V ECC RDIMM Supermicro X14SDW-72C-SP9F memory upgrade

SKU CH-27E7-R6132

128 GB DDR5 ECC registered server memory kit in two 64 GB modules running at 6400 MT/s with CL52 latency and 1.1 V operation, validated for the Supermicro X14SDW-72C-SP9F motherboard

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 128GB 2X64GB

Show 4 more configurations
  • 128 GB kit lets the Supermicro X14SDW-72C-SP9F run fully populated at rated speed
  • Registered ECC architecture catches and corrects single-bit errors to prevent silent data corruption
  • DDR5 6400 CL52 at 1.1 V matches the board's memory-controller timing exactly
  • Two 64 GB 4Rx4 RDIMMs deliver high density without exceeding slot limits
  • Validated for the Supermicro X14SDW-72C-SP9F motherboard so the system recognises full capacity immediately

Supermicro X14SDW memory kit

This 128GB kit contains two 64GB DDR5 RDIMMs rated at 6400MHz with CL52 latency and 1.1V operation. The modules use a 4Rx4 registered ECC design that matches the Supermicro X14SDW-72C-SP9F motherboard's exact requirements.

Server builders needing registered ECC

Ideal for administrators populating the X14SDW-72C-SP9F with the precise rank, voltage, and timing the memory controller expects. Not suitable for systems that require UDIMM or SODIMM form factors, or for boards that do not support registered ECC DDR5 at this density.

Straightforward 288-pin installation

Align the notch with the slot key and press firmly until the retention clips engage; the registered buffer helps stability when all slots are populated. Common issues include ignoring the motherboard's population order or mixing ranks, which can prevent the system from recognising the full 128GB capacity.

Highlights

  • 128 GB kit lets the Supermicro X14SDW-72C-SP9F run fully populated at rated speed
  • Registered ECC architecture catches and corrects single-bit errors to prevent silent data corruption
  • DDR5 6400 CL52 at 1.1 V matches the board's memory-controller timing exactly
  • Two 64 GB 4Rx4 RDIMMs deliver high density without exceeding slot limits
  • Validated for the Supermicro X14SDW-72C-SP9F motherboard so the system recognises full capacity immediately

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-944K2
Capacity128GB (2 x 64GB)
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 Content128GB 2X64GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Do I need a Supermicro X14SDW-72C-SP9F motherboard for this 128GB 2x64GB DDR5 6400 CL52 1.1V ECC RDIMM kit to work?

Yes, this kit is validated for the Supermicro X14SDW-72C-SP9F motherboard and its 288-pin Registered DDR5 6400 memory controller.

Can I mix these 4Rx4 Registered ECC modules with other DDR5 RDIMMs in the same server?

Mixing ranks, speeds or vendors is not recommended; the board's memory population rules expect identical 4Rx4 CL52 1.1V modules in each populated channel for full 6400 operation.

How do I confirm the kit runs at DDR5 6400 CL52 after installation?

Check the BIOS memory information or OS tools such as dmidecode; they should report 6400 MT/s, CL52 timings, 1.1V and 128GB total across both 64GB modules.

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