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Sixteen green DDR5 RDIMM sticks, bare black chips, silver edge connectors

NEMIX RAM

NEMIX RAM THINKMATE DDR5 4800 ECC RDIMM 256GB (16x16GB) CL40 1.1V 288-pin memory upgrade

SKU CH-QZ8S-12Z76

256 GB DDR5 server kit with sixteen 16 GB registered ECC modules at 4800 MT/s, CL40 and 1.1 V for Thinkmate nearline storage systems

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity across sixteen 16 GB modules
  • DDR5 4800 MT/s speed for high-throughput server workloads
  • ECC registered RDIMM design protects data integrity
  • Low 1.10 V operation reduces power draw
  • Validated for ThinkMate STX-NL-QE16 E4 nearline storage server

ThinkMate DDR5 4800 ECC RDIMM kit

This 256 GB kit contains sixteen 16 GB DDR5 4800 registered DIMMs built for the ThinkMate STX-NL-QE16 E4 nearline storage server. It targets IT teams who need maximum error-correcting capacity in that specific platform. Buyers who want unbuffered memory or consumer speeds cannot use these modules.

Tool-less DIMM installation

Each 288-pin RDIMM seats in the server’s standard DDR5 slots without cables or adapters; the registered buffer adds a negligible step during POST. The usual mistake is mixing these 1Rx8 sticks with different-rank modules, which prevents the system from completing memory training.

Registered ECC at 1.1 V

The single deciding specification is the combination of registered ECC operation and 1.10 V DDR5 4800 signalling; only motherboards that explicitly support registered DDR5 ECC at this voltage will recognise the full 256 GB.

How it compares

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

Price $7,417.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (16 × 16 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.98 per GB
Pricier than about 82% 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 numberMR38400-618K16
Total capacity256 GB (16 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (16 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How can I confirm the 16 modules are running at DDR5 4800 with CL40 after installation?

Check the BIOS memory information or a tool like CPU-Z; each module should show 4800 MT/s and CAS latency 40 at 1.10 V.

What exactly ships in the box and is anything else required?

The package contains 16 x 16 GB DDR5 4800 ECC RDIMM modules (256 GB total); no extra parts are needed for a compatible ThinkMate server.

Which capacity configuration should I choose for the ThinkMate STX-NL-QE16 E4?

This kit provides the full 256 GB (16 x 16 GB) supported by the STX-NL-QE16 E4; select it when you need the maximum registered ECC capacity.

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