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Four green DDR5 RDIMM modules with black chips no heat spreaders

NEMIX RAM

NEMIX RAM THINKMATE DDR5 4800 ECC RDIMM 256GB (4x64GB) CL40 1.1V 2Rx4 memory upgrade

SKU CH-C988-2S8RR

A 256 GB DDR5 4800 registered ECC kit of four 64 GB modules with CL40 latency and 1.1 V operation for ThinkMate tower servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from four 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 for server workloads
  • ECC registered RDIMM design protects data integrity
  • Low 1.10 V operation reduces power draw
  • Validated for ThinkMate TWX-XS8-24S4 and TWX-XS8-14S4 tower servers

ThinkMate DDR5 4800 ECC RDIMM Kit

This 256GB kit contains four 64GB registered DIMMs built for ThinkMate TWX-XS8 tower servers. Each module runs at DDR5 4800 with CL40 latency at 1.1V. The 2Rx4 organisation and on-die ECC provide error correction for data integrity in continuous workloads.

Suited for ThinkMate TWX-XS8-24S4

Administrators expanding memory in these qualified platforms can install the kit without configuration changes. Builders using other motherboards, desktop chipsets or unbuffered memory slots should look elsewhere because the registered interface and pin-out are server-specific.

256GB total capacity across four slots

The kit fills four DIMM sockets with 64GB each, giving ample headroom for virtualisation hosts, database buffers and large-file caching. Workloads that require more than 256GB or need higher frequencies than DDR5 4800 will exceed what this kit provides.

How it compares

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

Price $7,306.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.54 per GB
Pricier than about 80% 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 numberMR38400-924K4
Total capacity256 GB (4 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (4 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does this kit require a ThinkMate TWX-XS8-24S4 or TWX-XS8-14S4 tower server to operate?

Yes, the kit is validated for the ThinkMate TWX-XS8-24S4 and TWX-XS8-14S4 tower servers; the motherboard in those systems provides the DDR5 RDIMM slots and registered ECC support the modules need.

Can I mix these 4800 MT/s registered ECC modules with slower DDR5 RDIMMs already installed in the same server?

The server will run all populated slots at the speed of the slowest module, so adding this 4800 MT/s kit alongside slower DDR5 RDIMMs will down-clock the new modules to match the lower rate.

How can I confirm the full 256 GB is recognised and ECC is active after installation?

Enter the system BIOS or UEFI during boot and check the memory information screen; it should show 256 GB total across four 64 GB modules at 4800 MT/s with ECC enabled.

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