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Two green DDR5 RDIMM modules with black chips no heat spreader

NEMIX RAM

NEMIX RAM 128GB 2x64GB DDR5 6400 CL52 4Rx4 ECC RDIMM Supermicro X14SDV-36C-SP3F memory upgrade

SKU CH-AKDJ-4K9CQ

128 GB DDR5-6400 ECC RDIMM kit (2 × 64 GB, CL52, 1.1 V, 4Rx4) validated for the Supermicro X14SDV-36C-SP3F motherboard

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

Size 128GB 2X64GB

  • 128 GB capacity in a 2×64 GB kit for full server density
  • DDR5 6400 speed with CL52 latency runs at rated performance
  • 4Rx4 registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the motherboard's memory controller spec
  • Validated for Supermicro X14SDV-36C-SP3F with 288-pin RDIMM form factor

Exact DDR5 upgrade kit for Supermicro

This 128GB kit contains two 64GB DDR5 6400 RDIMMs built to the board's required 4Rx4 registered ECC specification. It runs at 1.10V with CL52 latency and uses the 288-pin form factor the server expects. System administrators managing memory-critical workloads on this platform receive the precise rank, voltage and timing the controller validates at full capacity.

Replaces lower-capacity

The jump is worth it when your workload needs the full 128GB across two slots and the memory controller must see registered ECC modules at the rated 6400 speed. Registered architecture offloads the controller so every populated slot operates at spec, while ECC corrects single-bit errors before they cause silent data corruption or unplanned reboots in production environments.

Verify your Supermicro X14SDV-36C-SP3F manual

Confirm the approved DIMM population order, maximum supported capacity per slot and any BIOS version requirements for 4Rx4 registered modules. The board requires 288-pin RDIMMs — not UDIMMs or SODIMMs — and population rules vary by configuration. Consult the system documentation for supported capacities and installation steps to ensure the kit is recognised at full speed.

Highlights

  • 128 GB capacity in a 2×64 GB kit for full server density
  • DDR5 6400 speed with CL52 latency runs at rated performance
  • 4Rx4 registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the motherboard's memory controller spec
  • Validated for Supermicro X14SDV-36C-SP3F with 288-pin RDIMM form factor

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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Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Supermicro X14SDV-36C-SP3F motherboard?

Yes, this 2x64GB kit uses the exact 288-pin RDIMM form factor and DDR5 6400 specification that the X14SDV-36C-SP3F requires, so each module seats correctly in the board's DIMM slots.

What is the correct population order when installing both 64GB modules on this board?

Install the first module in the slot designated as DIMM 1A (or the primary slot per the manual), then the second in the matching channel slot; the board's memory-population rules must be followed for full 128GB recognition.

Do these 4Rx4 Registered ECC modules require any firmware updates or ongoing maintenance after installation?

No scheduled maintenance is needed; the modules run at 1.1V with on-die ECC correction, and stability is maintained through the board's memory controller without further intervention.

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