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Sixteen green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM THINKMATE 1TB 16x64GB DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-KD3G-C61DF

A 1 TB registered DDR5 kit with sixteen 64 GB ECC modules at 4800 MT/s CL40, built for Thinkmate Supermicro servers

  • Total capacity1 TB (16 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 1TB capacity with 16 x 64GB modules for dense server memory
  • DDR5 4800MHz speed delivers high bandwidth for demanding workloads
  • ECC registered design detects and corrects data errors automatically
  • 1V operation reduces power draw in large-scale deployments
  • Validated for ThinkMate Supermicro SuperServer 621P-TR and 221P-C9R systems

Capacity and purpose

This 1 TB kit contains 16 registered DDR5 RDIMM modules of 64 GB each, running at 4800 MT/s with CL40 latency and ECC error correction. It is built for ThinkMate Supermicro SuperServer platforms such as the 621P-TR, 621P-TRT and 221P-C9R where maximum memory capacity and data integrity are required.

Who it suits and who it does not

The kit targets administrators expanding memory in the listed ThinkMate servers for virtualization, database or compute workloads that demand registered ECC modules. It is not suited for consumer desktops, workstations that accept only unbuffered UDIMM memory, or any system that cannot populate 16 DDR5 RDIMM slots.

Build integration

Each module uses the standard 288-pin DDR5 RDIMM form factor and operates at 1.1 V, drawing power directly from the server memory bus without extra cables. The registered design places less electrical load on the memory controller, freeing headroom for the full 16-module population. No heat spreaders are fitted, so chassis airflow must handle module cooling.

How it compares

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

Price $28,648.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (16 × 64 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $28.65 per GB
Pricier than about 81% 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 numberMR38400-924K16
Total capacity1 TB (16 × 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 items1 TB (16 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

What motherboard slot and memory generation does this 288-pin DDR5 kit require?

Each 64 GB module is a 288-pin DDR5 RDIMM, so the board must provide DDR5 RDIMM slots that accept registered ECC memory.

Can I mix these CL40 4800 MHz modules with slower DDR5 RDIMMs already installed?

The system will run all modules at the speed and timings of the slowest kit, so existing slower DDR5 RDIMMs will work but the new modules will down-clock to match.

How do I confirm the full 1 TB is recognised after installing all sixteen modules?

Check the BIOS memory summary or the operating system’s memory report — both should show 1 TB (16 × 64 GB) at 4800 MT/s with ECC active.

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