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Two green DDR5 RDIMM sticks, 288 pins, no heat spreader

NEMIX RAM

NEMIX RAM 256GB 2x128GB DDR5 4800 ECC RDIMM THINKMATE GPX-XH8-22S4-8GPU memory upgrade

SKU CH-8Q6R-1WKC3

A 256GB kit of two 128GB DDR5 4800 ECC RDIMM modules at 1.1V CL40 for ThinkMate GPX-XH8-22S4-8GPU servers

  • Capacity256GB (2 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity across two 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM detects and corrects data errors
  • Low 1.10 V operating voltage reduces power draw
  • Validated for ThinkMate GPX-XH8-22S4-8GPU server compatibility

Targeted Server Memory Upgrade

This 256GB kit delivers 2 x 128GB DDR5 4800 registered ECC modules built for the Thinkmate GPX-XH8-22S4-8GPU server. Each stick runs at 1.1V with CL40 latency and a 4Rx4 organisation. The 288-pin RDIMM form factor fits the platform's memory slots directly.

Suited For And Not Suited For

IT teams expanding the Thinkmate GPX-XH8-22S4-8GPU with validated ECC registered capacity will find the modules drop in without configuration guesswork. Buyers who need unbuffered DIMMs, non-ECC memory, or a different pin count should look elsewhere because this kit is fixed at registered 288-pin DDR5.

Build Integration

The two modules populate a matched pair of slots and draw 1.1V, leaving remaining channels open for further registered expansion. No heat spreader is fitted, so airflow across the bare PCB must be provided by the server's existing cooling design. The kit adds 256GB of error-correcting capacity without requiring firmware changes on the qualified platform.

Highlights

  • 256 GB total capacity across two 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM detects and corrects data errors
  • Low 1.10 V operating voltage reduces power draw
  • Validated for ThinkMate GPX-XH8-22S4-8GPU server compatibility

Specifications

BrandNEMIX RAM
SeriesTHINKMATE Server/Workstation Compatible Series Memory
ModelTHINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K2
Capacity256GB (2 x 128GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemTHINKMATE
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (2X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

My THINKMATE GPX-XH8-22S4-8GPU server has empty 288-pin DDR5 slots — will this 256 GB kit work without adding anything else?

Yes, the kit provides two 128 GB DDR5 4800 ECC RDIMMs at 1.10 V that plug directly into the server's 288-pin DDR5 slots; no extra hardware is required.

Can I keep my existing DDR5 4800 RDIMMs installed while adding these two 128 GB modules?

The modules run at DDR5 4800 PC5-38400 CL40 1.10 V; mixing is possible only if the installed RDIMMs share the same speed, voltage, latency and registered ECC specification.

After installing both 128 GB modules, how do I verify the full 256 GB is recognised and running at DDR5 4800 with ECC active?

Check the BIOS or UEFI memory summary — it should show 256 GB total, DDR5 4800 MT/s, CL40 timing, 1.10 V and ECC enabled for each 128 GB RDIMM.

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