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Sixteen green DDR4 RDIMM modules with black chips, no heat spreaders, 288-pin edge connectors

NEMIX RAM

NEMIX RAM 1TB (16x64GB) DDR4 3200 PC4-25600 4Rx4 CL22 288-Pin ECC RDIMM ThinkMate Memory Upgrade

SKU CH-SKBZ-RHK9H

1TB DDR4 3200 ECC registered server memory kit with 16x64GB modules, CL22 latency, 1.2V operation for ThinkMate GPU-optimised systems

  • Total capacity1 TB (16 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 1TB total capacity with 16 modules of 64GB each
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design detects and corrects data errors
  • 4Rx4 organisation maximises density per DIMM slot
  • 20V operation reduces power draw in servers

1TB DDR4-3200 ECC RDIMM kit for ThinkMate servers

This 1TB kit contains sixteen 64GB DDR4-3200 registered ECC modules built for ThinkMate GPX-XN6-24S3-10GPU GPU-optimised servers. It targets IT teams upgrading memory in dense, mission-critical workloads where error correction and registered signalling are required.

16 x 64GB modules at CL22 1.20V

The kit delivers 1TB total capacity across sixteen dual-rank 4Rx4 modules running at PC4-25600 speed with CL22 latency and 1.20V operation. Registered buffering and ECC protect data integrity under sustained load, while the 4Rx4 organisation maximises density per slot. Systems needing more than 1TB or lower-latency timings will exceed this kit's specification.

288-pin RDIMM form factor with major OEM chips

Modules use Samsung, Micron or Hynix DRAM on a standard 288-pin registered DIMM PCB without heat spreaders, relying on server chassis airflow for cooling. The registered interface reduces electrical load on the memory controller, enabling full population of all slots in compatible ThinkMate platforms. Builds requiring unbuffered UDIMMs or consumer SO-DIMMs cannot use these modules.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $7,515.99
Pricier than about 84% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (16 × 64 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $7.52 per GB
Cheaper than about 54% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-944K16
Total capacity1 TB (16 × 64 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items1 TB (16 × 64 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 16 modules of 64 GB each work together with any existing DDR4 RDIMMs I keep in my ThinkMate GPX‑XN6‑24S3‑10GPU?

The kit supplies 16 identical 4Rx4 registered ECC modules at 3200 MT/s; mixing different ranks or speeds can prevent the server from posting, so populate all slots with this matched set for guaranteed operation.

How can I confirm the memory is running at 3200 MT/s with ECC active after installation?

Enter the system BIOS or UEFI and check that the memory frequency reads 3200 MT/s, the CAS latency shows CL22 and the ECC status is reported as enabled.

What exactly ships in the box and is anything else required to install it?

The package contains the complete 16‑module kit (16 × 64 GB DDR4 288‑pin RDIMMs); no extra cables, brackets or software are needed — just open the chassis and insert the modules into the DIMM slots.

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