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Sixteen green DDR4 RDIMM modules with black chips, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 2TB (16x128GB) DDR4 3200 PC4-25600 4Rx4 CL22 288-Pin ECC RDIMM THINKMATE XF4-24S3 memory upgrade

SKU CH-HD8S-6979X

A 2 TB DDR4 3200 registered ECC kit of sixteen 128 GB modules built for Thinkmate XF4-24S3 workstations

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • Massive 2TB capacity from sixteen 128GB modules
  • DDR4 3200 speed with CL22 latency for responsive server workloads
  • ECC registered design detects and corrects data errors automatically
  • Low 1.2V operation reduces power draw in dense configurations
  • Built with major OEM chips and stress-tested for mission-critical stability

2TB DDR4 ECC RDIMM kit

This 2TB kit contains sixteen 128GB DDR4 3200 registered DIMMs built for the Thinkmate XF4-24S3 workstation. Each module operates at 1.20V with a CAS latency of CL22 and uses a 4Rx4 organisation. The ECC registered design targets enterprise workloads that require error correction and signal integrity across large memory populations.

Sustained-load behaviour

Registered buffering reduces electrical load on the memory controller when all sixteen slots are populated, helping maintain stability during extended compute tasks. ECC circuitry corrects single-bit errors on the fly, preventing data corruption in long-running applications. The 1.20V operating voltage keeps power draw predictable across the full 2TB capacity.

Upgrade context

This kit replaces smaller-capacity RDIMM sets when the workstation needs the maximum supported memory for virtualisation, in-memory databases or large-scale rendering. The jump is worthwhile when the current configuration cannot hold the working set and the platform supports 128GB 4Rx4 modules at DDR4 3200. Buyers who need non-ECC unbuffered memory or capacities beyond 2TB should look elsewhere.

How it compares

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

Price $15,116.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $7.56 per GB
Typical for this category: the median of 20,941 items is $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 numberMR25600-744K16
Total capacity2 TB (16 × 128 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 items2 TB (16 × 128 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much heat and power does the 1.2 V DDR4 3200 kit draw when the ThinkMate XF4-24S3 runs continuously?

Each 128 GB RDIMM operates at 1.2 V standard DDR4 voltage, so the 16-module kit stays within normal server DIMM thermal limits without extra cooling.

What must the ThinkMate XF4-24S3 already have to accept this 2 TB registered ECC kit?

The workstation needs a DDR4 RDIMM-capable motherboard with 16 free 288-pin slots and a CPU memory controller that supports 4Rx4 registered ECC modules.

Will the 4Rx4 CL22 modules work alongside older 2Rx4 DDR4 DIMMs I keep in the same ThinkMate?

Mixing 4Rx4 and 2Rx4 ranks is not recommended; the memory controller will default to the slowest common timing and may limit total capacity per channel.

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