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Six green DDR4 UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM MD25600-818K6 48GB (6x8GB) DDR4 3200 CL22 288-pin UDIMM memory upgrade

SKU CH-11D3-JH342

48GB six-module DDR4 3200 kit with CL22 timing, 1.20V operation, and 288-pin UDIMM form factor for Thinkmate GPX-WS-540X1 workstations

  • Total capacity48 GB (6 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 48GB capacity with six 8GB modules for high-density workstation memory
  • DDR4 3200 speed rated at PC4-25600 for fast data throughput
  • CL22 CAS latency at 1.20V for efficient low-voltage operation
  • 288-pin UDIMM form factor compatible with ThinkMate GPX-WS-540X1 workstation
  • Non-ECC unbuffered design using Samsung Micron Hynix chipsets for reliable performance

Capacity and fit

This 48 GB kit delivers six 8 GB DDR4 3200 modules built for the ThinkMate GPX-WS-540X1 workstation. It targets IT professionals and power users who need maximum supported memory in that specific platform.

Build and connectivity

Each stick is a 288-pin UDIMM running at 1.20 V with CL22 timings and a 1Rx8 layout using major OEM DRAM chips. The unbuffered non-ECC design slots straight into standard desktop DIMM sockets without extra cabling or cooling hardware.

Upgrade context

The kit replaces smaller-capacity DDR4 sets when workloads demand the full 48 GB ceiling of the compatible workstation. It is not suited for systems that require registered or ECC memory, nor for platforms limited to lower densities or slower speeds.

How it compares

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

Price $297.99
Cheaper than about 54% of the 21,161 comparable items (median $397.99).
Total capacity 48 GB (6 × 8 GB)
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $6.21 per GB
Cheaper than about 63% 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 numberMD25600-818K6
Total capacity48 GB (6 × 8 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 rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items48 GB (6 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Does the DDR4-3200 PC4-25600 interface limit throughput on the ThinkMate GPX-WS-540X1?

The kit runs at DDR4 3200 (PC4-25600), so maximum bandwidth is capped at that data rate regardless of motherboard capability.

What physical clearance is required for the 288-pin UDIMM modules without heat spreaders?

Each module is a standard-height 288-pin UDIMM with no heat spreader, fitting typical desktop DIMM slots and low-profile CPU coolers.

How are the six 1Rx8 modules installed, and which slot order mistake should be avoided?

Populate all six slots following the motherboard’s channel sequence (usually alternating channels); the common error is filling one channel completely before the second.

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