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Eight bare green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 4800 CL40 ECC RDIMM memory upgrade for THINKMATE TWX-XS8-24S4 TWX-XS8-14S4

SKU CH-DYMC-48VB4

Eight 128 GB DDR5 ECC RDIMM modules running at 4800 MT/s with CL40 latency and 1.1 V operation add 1 TB of registered server memory for ThinkMate TWX-XS8 tower systems

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 1TB total capacity across 8 modules of 128GB each
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM design protects data integrity
  • Low 1.1V operating voltage reduces power draw
  • Validated for Thinkmate TWX-XS8-24S4 and TWX-XS8-14S4 servers

Capacity & Compatibility

This 1TB kit contains eight 128GB DDR5 4800 CL40 ECC RDIMM modules built for THINKMATE TWX-XS8-24S4 and TWX-XS8-14S4 tower servers. Registered 4Rx4 organisation and 1.10V operation match the platform requirements for high-density server memory. IT teams handling virtualisation, databases or large-scale compute workloads can populate all channels with a single validated part number.

Thermals & Power

Modules run at the standard DDR5 1.10V without heat spreaders, relying on chassis airflow for cooling in the target tower servers. Registered buffering reduces electrical load on the memory controller, helping keep power draw predictable under sustained 4800 MT/s operation. The 4Rx4 layout distributes density across ranks, avoiding the thermal hotspots that can appear with fewer, larger ranks in dense configurations.

Upgrade Context

The kit replaces lower-capacity DDR5 RDIMM sets or fills empty slots when the workload outgrows the current memory ceiling. Moving to 1TB in eight modules is worthwhile when applications hit swap pressure or when consolidation ratios demand more VMs per host. Buyers who need more than eight slots populated or who require faster JEDEC speeds will need a different platform.

How it compares

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

Price $29,833.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $29.83 per GB
Pricier than about 85% 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 numberMR38400-744K8
Total capacity1 TB (8 × 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 items1 TB (8 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 8 x 128 GB DDR5 RDIMMs into the Thinkmate TWX-XS8-24S4, and which step is often missed?

Power down the server, open the chassis, and seat each 288-pin module until the ejector clips lock; the step often missed is populating all eight slots in the exact channel order shown in the system service guide so the 4Rx4 ranks initialise correctly.

What maintenance or replacement will this 1 TB DDR5 ECC kit need during its service life?

The modules have no heat spreaders and run at 1.1 V, so the only recurring task is keeping server air filters clean to maintain rated airflow; no firmware updates or component swaps are required unless a module fails, in which case the lifetime replacement covers it.

What limit appears first when the 4800 MT/s DDR5 RDIMMs run sustained workloads on this platform?

The CL40 latency at 4800 MT/s is the primary ceiling; sustained throughput will plateau at the JEDEC PC5-38400 data rate before thermal or voltage headroom becomes a factor.

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