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Four green DDR5 UDIMM sticks, no heat spreaders, 288-pin gold edges

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V Non-ECC UDIMM memory upgrade for THINKMATE TWX-QS4-14R7

SKU CH-CQK1-MZCC1

128GB DDR5 kit of four 32GB UDIMM modules at 4800MHz CL40, validated for the ThinkMate TWX-QS4-14R7 tower server

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 128 GB total capacity from four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • CL40 CAS latency at 1.10 V operating voltage
  • 288-pin unbuffered non-ECC UDIMM form factor
  • 2Rx8 dual-rank organisation using major OEM chips

ThinkMate TWX-QS4-14R7 compatible kit

This 128 GB kit is built for the ThinkMate TWX-QS4-14R7 tower server. It contains four 32 GB DDR5 UDIMMs that install without tools. The modules are unbuffered and non-ECC, matching the platform's supported memory type. System integrators and IT teams can populate all slots in a single upgrade.

128 GB at DDR5 4800 CL40

Running at 4800 MT/s with a CAS latency of 40, the kit delivers 128 GB total capacity across four ranks of 2Rx8 organisation. The 1.10 V operating voltage aligns with the DDR5 baseline for power efficiency. Workloads that exceed 128 GB will require a platform with higher maximum memory support.

No heat spreader included

The modules ship without heat spreaders, relying on the server's directed airflow for thermal management. No additional software, cables or mounting hardware are bundled in the package. Installers should verify chassis airflow meets the platform's cooling requirements before deployment.

How it compares

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

Price $1,730.99
Pricier than about 66% 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 $13.52 per GB
Pricier than about 60% 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 DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-328K4
Total capacity128 GB (4 × 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 items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the DDR5 4800 UDIMM modules run alongside any DDR5 sticks I keep in my Thinkmate TWX-QS4-14R7?

The kit contains four 32 GB DDR5 4800 CL40 1.1 V 2Rx8 unbuffered UDIMMs. The system must support DDR5 at 4800 MT/s and 1.1 V; mixing different speeds, ranks or voltages may force the memory controller to run at the lowest common settings or prevent boot.

How can I verify the 128 GB kit is running at 4800 MT/s CL40 after I install the four modules?

Enter the BIOS/UEFI and confirm the memory frequency shows 4800 MT/s (PC5-38400) with CAS latency 40 at 1.1 V. In the OS, tools such as CPU-Z or dmidecode will report each 32 GB module as DDR5-4800 2Rx8 unbuffered non-ECC.

What is included in the MD38400-328K4 box and do I need any extra parts to install it?

The package contains the 128 GB kit as four 32 GB 288-pin DDR5 UDIMMs only. No heat spreaders, cables, screws or tools are supplied; the Thinkmate TWX-QS4-14R7 provides the DIMM slots and any required retention clips.

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