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Green circuit board with gold contacts and black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR4 3200 ECC RDIMM 4Rx4 CL22 ThinkMate Compatible memory upgrade

SKU CH-A5ND-XWJ5G

A 128GB DDR4 3200 ECC registered DIMM with 4Rx4 organisation and CL22 latency for ThinkMate GPU-optimised servers

  • Capacity128GB
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128 GB single module expands server capacity
  • DDR4 3200 speed handles intensive workloads
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • Validated for ThinkMate GPU-optimised servers

128GB DDR4 3200 ECC RDIMM for ThinkMate Servers

This 128GB registered DDR4 module runs at 3200 MT/s with CL22 latency and 1.20V operation. It is built for ThinkMate GPX-QN4-22E2-4NVLINK and GPX-QN12-24E2-10GPU GPU-optimised servers. The 4Rx4 organisation and ECC support target data-centre workloads that require error correction and high capacity per slot.

Thermals noise and power at 1.20V

Operating at the standard DDR4 voltage of 1.20V keeps power draw predictable in dense server configurations. The module has no heat spreader, so airflow across the DIMM slots manages thermals. Registered buffering reduces electrical load on the memory controller, which helps stability under sustained load.

288-pin RDIMM form factor and single-module kit

The 288-pin RDIMM fits standard DDR4 server slots and the single 128GB stick allows capacity scaling in one-slot increments. Samsung, Micron or Hynix major-OEM chips are used depending on supply. Buyers needing smaller increments or non-ECC memory for consumer platforms cannot use this module.

Highlights

  • 128 GB single module expands server capacity
  • DDR4 3200 speed handles intensive workloads
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • Validated for ThinkMate GPU-optimised servers

Specifications

BrandNEMIX RAM
SeriesTHINKMATE Server/Workstation Compatible Series Memory
ModelTHINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory
Part NumberMR25600-744K1
Capacity128GB
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemTHINKMATE
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank4Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (1X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install the 288-pin DDR4 RDIMM in a ThinkMate GPX-QN4-22E2-4NVLINK server, and what step is often missed?

Power down, open the chassis, align the notch on the 288-pin edge connector with the slot key, press firmly until both retention clips click, then verify in BIOS that all 128 GB at 3200 MT/s are recognised; the step most often missed is seating the module fully so both clips engage.

What maintenance or replacement will this 4Rx4 ECC registered module need over its service life?

No routine maintenance is required; the module has no heat spreader or moving parts. If a correctable ECC error count rises or the system logs uncorrectable errors, replace the DIMM — otherwise it runs for the server's lifetime.

What limit appears first when this 1.2 V CL22 4Rx4 DIMM runs sustained workloads on a ThinkMate GPU-optimised server?

The quad-rank 4Rx4 organisation places the highest electrical load on the memory controller, so the practical ceiling is the maximum DIMMs per channel the CPU supports; exceeding that forces the controller to drop speed below 3200 MT/s.

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