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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM DDR5 128GB 2x64GB 6400MHz CL52 4Rx4 ECC RDIMM Supermicro X14SRA-T

SKU CH-PHVA-F33EW

128 GB DDR5-6400 ECC registered RDIMM kit (2 × 64 GB, CL52, 1.1 V, 4Rx4) validated for Supermicro X14SRA-T motherboards

  • 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 total capacity from two 64 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • 4Rx4 registered ECC RDIMM for full-slot stability
  • 288-pin form factor matched to Supermicro X14SRA-T
  • Major OEM chips from Samsung Micron or Hynix

Exact-match server upgrade

This 128GB kit (2 x 64GB) delivers DDR5-6400 (PC5-51200) Registered ECC memory at 1.1V and CL52. It is built to the precise rank, voltage and timing the Supermicro X14SRA-T memory controller expects so the system recognises the full capacity at rated speed.

Thermals and power

Operating at 1.1V keeps power draw low in fully populated configurations. The registered architecture offloads the memory controller, allowing every slot to run at capacity without the extra electrical load that unbuffered modules would impose. No heat spreader is fitted, so airflow across the bare PCB handles cooling in standard server chassis.

What the kit changes

The bundle supplies two 4Rx4 RDIMMs that match the board’s population rules, enabling maximum density without mixing ranks. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production workloads. Lifetime replacement coverage and US-based technical support back the installation.

Highlights

  • 128 GB total capacity from two 64 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • 4Rx4 registered ECC RDIMM for full-slot stability
  • 288-pin form factor matched to Supermicro X14SRA-T
  • Major OEM chips from Samsung Micron or Hynix

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

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Questions about this item

How do I install the 288-pin DDR5 RDIMM kit in the Supermicro X14SRA-T and which slot order avoids the common population mistake?

Power down, open the chassis, and insert each 64 GB module into the 288-pin DDR5 RDIMM slots following the exact population sequence shown in the Supermicro X14SRA-T manual; the board requires registered DIMMs in a specific order so that all 128 GB are recognised at 6400 MHz.

What maintenance or replacement will the 4Rx4 ECC RDIMM kit need during its service life?

No scheduled maintenance is required; the registered ECC design corrects single-bit errors automatically, and the modules are covered by a lifetime replacement warranty if a hardware fault ever develops.

What is the first limit reached when the 128 GB kit runs sustained workloads at 6400 MHz CL52?

The CAS latency of CL52 at 1.10 V sets the timing ceiling; sustained throughput is bounded by the DDR5-6400 (PC5-51200) data rate and the registered buffer's command scheduling.

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