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

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 2Rx8 ECC RDIMM THINKMATE TWX-XS8-24S4 TWX-XS8-14S4 memory upgrade

SKU CH-BFCB-G9J9S

64 GB DDR5 ECC registered server memory kit, 4800 MT/s CL40, 2Rx8, 1.1 V, for Thinkmate TWX-XS8 tower servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB total capacity from two 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • 10 V operation reduces server power draw
  • Validated for Thinkmate TWX-XS8-24S4 and TWX-XS8-14S4 towers

64 GB DDR5 ECC RDIMM kit

This 64 GB kit contains two 32 GB DDR5 4800 registered DIMMs built for THINKMATE TWX-XS8-24S4 and TWX-XS8-14S4 tower servers. It targets administrators who need error-correcting memory for mission-critical workloads. Each module runs at 1.1 V with CL40 latency and a 2Rx8 organisation.

Registered 288-pin modules without heat spreaders

The registered design places a register between the DRAM and the memory controller, reducing electrical load on the server board. Modules use major OEM chips from Samsung, Micron or Hynix and fit standard 288-pin DDR5 slots. No heat spreaders are fitted, so airflow across the PCB is unimpeded.

Low-voltage DDR5 operation at 1.1 V

DDR5 4800 at 1.1 V draws less power per gigabyte than previous generations, helping keep system thermals manageable in dense tower configurations. ECC circuitry corrects single-bit errors on the fly, protecting data integrity during sustained loads. Registered buffering further stabilises signal integrity across fully populated channels.

How it compares

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

Price $1,631.99
Pricier than about 65% 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 $25.50 per GB
Pricier than about 70% 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 ECC RDIMM Registered Server Memory
Part numberMR38400-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
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 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does DDR5 4800 PC5-38400 run at its rated 4800 MT/s on the ThinkMate TWX-XS8-24S4 and TWX-XS8-14S4 tower servers?

The kit is specified at DDR5 4800 (PC5-38400). Actual operating speed depends on the server memory controller and populated slot count; the modules will run at the highest common speed the platform negotiates.

What physical slot and clearance do the 288-pin RDIMMs need in these ThinkMate towers?

Each module is a standard 288-pin DDR5 RDIMM without a heat spreader. The server must provide DDR5 RDIMM slots with enough vertical clearance for bare modules.

What is the correct population order for the two 32 GB 2Rx8 modules in a ThinkMate TWX-XS8 chassis?

Install the pair in the channel slots recommended by the ThinkMate TWX-XS8 service manual — typically one per channel, same bank — to enable dual-channel operation and registered ECC functionality.

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