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Four green DDR4 UDIMM sticks in a kit

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 288-Pin UDIMM THINKMATE GPX-WS-540X1

SKU CH-KKQ5-SSQYT

A 128 GB kit of four 32 GB DDR4 3200 CL22 unbuffered UDIMMs validated for the Thinkmate GPX-WS-540X1 workstation

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 CAS latency for responsive system operation
  • 2 V low-voltage design reduces power draw
  • Validated for ThinkMate GPX-WS-540X1 workstation compatibility

128 GB DDR4 kit for Thinkmate workstations

This 128 GB kit contains four 32 GB DDR4 UDIMM modules rated at 3200 MHz with CL22 latency. It is built specifically for the Thinkmate GPX-WS-540X1 workstation and suits users who need maximum memory capacity for demanding workloads.

Tool-free DIMM installation with standard alignment

The unbuffered non-ECC modules plug directly into the 288-pin DDR4 slots without extra cables or brackets. Common issues arise when slots are not fully seated or when the workstation BIOS has not been updated to recognise the full 128 GB capacity.

Verify four free DDR4 slots and 1.2 V support

Confirm the workstation has four available UDIMM slots and that the platform accepts 1.2 V DDR4 3200 memory. The kit uses 2Rx8 organisation, so the memory controller must support dual-rank modules at this density.

How it compares

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

Price $686.99
Pricier than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.37 per GB
Cheaper than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items128 GB (4 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

How can I verify the kit runs at DDR4 3200 CL22 after installing it in my THINKMATE GPX-WS-540X1?

Enter the BIOS or use a tool such as CPU-Z and confirm the memory frequency reads 3200 MT/s with timings of 22-22-22 at 1.20 V.

What exactly ships in the box and is anything else required to complete the upgrade?

The package contains four 32 GB 288-pin UDIMM modules for a total of 128 GB; no extra cables, brackets or software are needed.

This part number MD25600-328K4 lists a single 128 GB kit — are there smaller or larger capacity options for the same workstation?

The listed kit is 4 x 32 GB; other capacities would carry different part numbers and are not covered by this specific MPN.

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