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Six green DDR5 RDIMM modules with black chips, no heat spreaders, 288-pin

NEMIX RAM

NEMIX RAM 768GB (6x128GB) DDR5 4800 CL40 ECC RDIMM THINKMATE GPX-WS-740RTP7

SKU CH-XCXT-HWJ2N

A 768 GB kit of six 128 GB DDR5 4800 CL40 ECC registered RDIMM modules at 1.1 V for Thinkmate GPX-WS-740RTP7 workstations

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 768GB total capacity across six 128GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity under load
  • Low 1.10V operating voltage reduces power draw
  • Validated for ThinkMate GPX-WS-740RTP7 workstation compatibility

System-Specific DDR5 ECC RDIMM Kit

This 768 GB kit contains six 128 GB DDR5 4800 modules built for the Thinkmate GPX-WS-740RTP7 workstation. Registered ECC operation and a CL40 latency at 1.1 V provide the error correction and signal integrity that enterprise workloads require. The 288-pin RDIMM form factor matches the platform memory slots exactly. No heat spreader is fitted, relying on chassis airflow for cooling.

Suited For Enterprise Workstations

IT teams deploying Thinkmate GPX-WS-740RTP7 systems for virtualization, database or compute clusters will match the qualified part number MR38400-744K6. Builders using consumer motherboards, non-ECC platforms or servers that need registered DIMMs with different rank organisation should select memory validated for those specific systems instead.

Capacity And Rank Determine Fit

The single specification that decides compatibility is the 768 GB total capacity arranged as six 4Rx4 modules. The workstation memory controller must support this exact density and rank configuration; any deviation in module count, rank structure or total capacity will prevent the system from posting.

How it compares

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

Price $21,684.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $28.24 per GB
Pricier than about 79% 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 numberMR38400-744K6
Total capacity768 GB (6 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items768 GB (6 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will these DDR5 4800 CL40 1.1V modules work alongside any older memory I keep in the ThinkMate GPX-WS-740RTP7?

The kit is DDR5 4800 (PC5-38400) at 1.10V; the GPX-WS-740RTP7 uses DDR5 slots, so only DDR5 modules can be installed. Mixing speeds is possible but the system will run all modules at the lowest common speed and voltage.

How can I verify the 6x128GB kit is running at the rated 4800 MT/s CL40 after installation?

Enter the BIOS or use a tool such as CPU-Z; the memory tab should show 4800 MT/s (PC5-38400) with CL40 timings and 1.10V across all six 288-pin RDIMM slots.

What comes in the box and is anything else required to use the 768GB kit?

The package contains six 128GB DDR5 4800 CL40 4Rx4 ECC registered RDIMMs (part MR38400-744K6); no heat spreaders or extra cables are included and no additional parts are needed for installation.

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