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Two green DDR5 RDIMM modules with black chips, no heat spreader, 288 pins each

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 4800 CL40 ECC RDIMM THINKMATE STX-NL-QE16 E4 memory upgrade

SKU CH-6N7Z-DYQYK

A 256 GB DDR5 registered ECC memory kit with two 128 GB modules running at 4800 MT/s CL40 for Thinkmate STX-NL-QE16 E4 servers

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from two 128 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design protects data integrity in servers
  • CL40 latency at 1.1 V operating voltage
  • 288-pin 4Rx4 RDIMM form factor for ThinkMate STX-NL-QE16 E4

Capacity and purpose

This 256 GB kit contains two 128 GB DDR5 RDIMM modules rated at 4800 MT/s with CL40 latency and ECC. It is built for the Thinkmate STX-NL-QE16 E4 nearline storage server and suited to workloads that need registered memory with error correction.

Compatibility check

Verify that the Thinkmate STX-NL-QE16 E4 supports 4Rx4 registered DDR5 RDIMMs at 1.10 V and that the BIOS recognises 128 GB per slot. The modules are 288-pin DDR5 RDIMMs with no heat spreader, so ensure the server chassis provides adequate airflow around the memory slots.

Thermals and power

Each module operates at 1.10 V, keeping power draw low for high-density registered memory. Without a heat spreader the chips rely on system airflow, so normal server fan profiles should maintain safe temperatures and quiet operation under sustained load.

How it compares

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

Price $8,422.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $32.90 per GB
Pricier than about 90% 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 numberMR38400-744K2
Total capacity256 GB (2 × 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 items256 GB (2 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What is included in the 256GB kit and do I need to buy anything else?

The kit contains two 128GB DDR5 4800 CL40 ECC registered RDIMM modules, providing 256GB total. No extra parts are required for installation.

How do I choose between the listed specifications for the ThinkMate STX-NL-QE16 E4?

This part number MR38400-744K2 is a single 256GB (2x128GB) DDR5 4800 CL40 4Rx4 1.1V ECC RDIMM kit validated for the ThinkMate STX-NL-QE16 E4.

What does the DDR5 4800 CL40 rating mean once the memory is installed in the server?

The modules run at 4800 MT/s with a CAS latency of 40 cycles at 1.1V, delivering registered ECC reliability for the ThinkMate STX-NL-QE16 E4.

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