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Two green DDR5 UDIMM sticks, no heat spreaders, 288-pin gold contacts

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.1V UDIMM memory upgrade for THINKMATE TWX-QS4-14R7

SKU CH-0CEM-Z2NHZ

DDR5 4800 memory kit with two 32 GB unbuffered UDIMMs at CL40 and 1.1 V for Thinkmate TWX-QS4-14R7 servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 64 GB capacity in a dual-channel 2 × 32 GB kit
  • DDR5 4800 MT/s speed rated at PC5-38400 bandwidth
  • Low 1.1 V operating voltage reduces power draw
  • CL40 CAS latency for responsive memory access
  • 288-pin unbuffered non-ECC UDIMM validated for ThinkMate TWX-QS4-14R7

64GB DDR5 kit for ThinkMate TWX-QS4-14R7

This 64GB kit contains two 32GB DDR5 UDIMM modules built for the ThinkMate TWX-QS4-14R7 tower server. It runs at 4800 MT/s with a CAS latency of CL40 and operates at 1.1V. The unbuffered non-ECC design targets standard desktop and workstation platforms that accept 288-pin DDR5 memory.

Sustained load behaviour

Modules use major OEM chips from Samsung, Micron or Hynix and are stress tested under load before shipping. The 2Rx8 rank structure helps maintain bandwidth during extended workloads. Without a heat spreader, airflow across the PCB becomes the primary cooling method for long-duration tasks.

Installation notes

The 288-pin UDIMM form factor fits standard DDR5 desktop slots; align the notch and press until the retention clips click. Because the kit is unbuffered and non-ECC, it will not function in platforms that require registered or ECC memory. Verify the motherboard supports 1.1V DDR5 4800 before purchase.

How it compares

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

Price $817.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $12.78 per GB
Pricier 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 DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

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