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Four green DDR4 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 512GB 4x128GB DDR4 3200 ECC RDIMM CL22 1.2V THINKMATE Server Memory

SKU CH-MD4Z-ZYJ6C

512 GB DDR4 ECC registered server memory kit, four 128 GB modules at 3200 MHz CL22 1.2 V for Thinkmate systems

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • Massive 512GB capacity across four 128GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered RDIMM design for data integrity
  • Low 1.20V operation reduces server power draw
  • Validated for Thinkmate STX-WS-QS12-12E2 and STX-WS-QE36-14E2

Capacity and compatibility

This 512GB kit contains four 128GB DDR4 3200 registered DIMMs built for THINKMATE STX-WS-QS12-12E2 and STX-WS-QE36-14E2 servers. ECC and registered operation protect data integrity in mission-critical workloads.

Registered ECC build

Each module uses a 4Rx4 organisation on 288-pin DDR4 RDIMM form factor without heat spreaders. The 1.2V rating matches standard server voltage rails and the registered buffer reduces electrical load on the memory controller.

Kit contents and validation

The package delivers the full 512GB as a matched quad-channel set tested under load for stability. Modules ship ready to install in compatible THINKMATE systems without additional configuration steps.

How it compares

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

Price $3,445.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $6.73 per GB
Cheaper than about 59% 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 numberMR25600-744K4
Total capacity512 GB (4 × 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 items512 GB (4 × 128 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What speed does the DDR4 3200 PC4-25600 interface actually run at in this Thinkmate server?

The modules are rated DDR4 3200 PC4-25600; the server memory controller will set the final operating speed.

Will these 288-pin RDIMMs fit the Thinkmate STX-WS-QS12-12E2 and STX-WS-QE36-14E2 memory slots?

Yes, they are 288-pin DDR4 RDIMMs built for those Thinkmate workstation models.

What is the correct order to populate the four 128 GB modules for quad-rank operation?

Follow the Thinkmate motherboard manual slot sequence; install all four 4Rx4 modules in the indicated channels for 512 GB total.

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