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Four green DDR5 RDIMM sticks, bare chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade for THINKMATE GPX-WS-740RTP7

SKU CH-YX0X-D2KVZ

128 GB DDR5 ECC registered server memory kit of four 32 GB modules at 4800 MT/s CL40 1.1 V 288-pin RDIMM for Thinkmate GPX-WS-740RTP7 workstations

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity across four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity in critical workloads
  • 10 V operation reduces power draw per module
  • Validated for Thinkmate GPX-WS-740RTP7 workstation compatibility

128GB DDR5 ECC RDIMM kit for Thinkmate workstations

This 128GB kit contains four 32GB DDR5 4800 registered DIMMs built with ECC for error correction. It targets IT professionals and system integrators who need validated memory for the Thinkmate GPX-WS-740RTP7 platform. Each module runs at 1.1V with CL40 latency and a 2Rx8 organisation. The registered design adds a buffer that stabilises the memory bus in multi-DIMM configurations.

Sustained-load behaviour with registered ECC modules

Registered DIMMs place a register between the DRAM and the memory controller, reducing electrical load on the bus when all four slots are populated. ECC circuitry detects and corrects single-bit errors during continuous operation, preventing silent data corruption in long-running workloads. The 1.1V operating voltage keeps power draw predictable under full utilisation. Modules are stress-tested under load before shipment to verify stability in server and workstation environments.

Straightforward 288-pin installation

The 288-pin DDR5 form factor fits the keyed slots on the Thinkmate motherboard without adapters. Align the notch, press evenly until the retention clips engage, and confirm seating before powering on. Common issues include mixing registered and unbuffered DIMMs, populating slots in the wrong order, or leaving a module partially seated — each can prevent POST or disable ECC. Consult the system manual for the approved population sequence.

How it compares

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

Price $3,407.99
Pricier than about 74% 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 $26.62 per GB
Pricier than about 74% 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 numberMR38400-328K4
Total capacity128 GB (4 × 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 items128 GB (4 × 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 the 1.10 V operating voltage of these DDR5 4800 RDIMMs keep heat and power draw low during continuous server workloads?

Running at 1.10 V, the 4800 MT/s modules draw less power per gigabyte than earlier DDR generations, so sustained loads generate less heat and reduce cooling demand in the THINKMATE GPX-WS-740RTP7.

Must the THINKMATE GPX-WS-740RTP7 workstation already support DDR5 4800 ECC RDIMM memory for this 128 GB kit to function?

Yes, the workstation needs DDR5 RDIMM slots that accept 288-pin ECC registered modules at 4800 MT/s; the kit is validated for that exact platform.

Will the CL40 latency of this 2Rx8 kit match the timing of other DDR5 4800 RDIMMs already installed in the same system?

All modules in the kit share CL40 timing at 4800 MT/s, so they will run at the same speed and latency as any other DDR5 4800 CL40 RDIMMs present in the workstation.

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