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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM 1TB 16x64GB DDR5 5600 CL46 ECC RDIMM Lenovo ST650 V3

SKU CH-TXHE-BZGRS

16-module 1 TB DDR5 ECC registered kit at 5600 MT/s CL46 for the ThinkSystem ST650 V3 tower server

  • Total capacity1 TB (16 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Massive 1 TB capacity with sixteen 64 GB modules
  • DDR5 5600 speed for high-throughput server workloads
  • ECC and registered design protects data integrity
  • Low 1.10 V operation reduces power draw
  • Validated for Lenovo ThinkSystem ST650 V3 tower server

System-Specific DDR5 Kit

This NEMIX RAM kit delivers 1 TB of registered DDR5 memory in a matched set of sixteen 64 GB modules. It is built for the Lenovo ThinkSystem ST650 V3 tower server and targets administrators who need maximum supported capacity for virtualisation, databases or heavy compute workloads.

Verify Slot Count and Population Rules

Confirm the ST650 V3 has sixteen available DDR5 RDIMM slots and check the vendor’s population guide for 4Rx4 modules at 5600 MT/s. Ensure the system BIOS is current and that the power supply can sustain the full complement of registered DIMMs under load.

Registered ECC Build With Standard Pinout

Each module uses a 288-pin DDR5 RDIMM form factor without a heat spreader, relying on server chassis airflow for cooling. The 1.1 V operating voltage and on-die ECC provide data integrity, while the registered design reduces electrical load on the memory controller for stable operation at scale.

How it compares

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

Price $31,798.99
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 $31.80 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-944K16
Total capacity1 TB (16 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items1 TB (16 × 64 GB) DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

What comes in the box with the 1TB kit and do I need anything else to install it in a Lenovo ThinkSystem ST650 V3?

The box contains sixteen 64 GB DDR5 5600 CL46 ECC RDIMM modules (16 x 64 GB = 1 TB). No extra parts are required; the modules plug directly into the server's 288-pin DDR5 slots.

Should I pick the 16 x 64 GB 4Rx4 kit or a different capacity for the ST650 V3?

This 16 x 64 GB kit is built to fill the ST650 V3's supported DIMM population with 4Rx4 registered ECC modules at 5600 MT/s and 1.10 V. Choose it when you need the full 1 TB capacity in a single validated kit.

What does the 5600 MT/s CL46 rating mean once the memory is running in the ST650 V3?

The modules will operate at 5600 MT/s (PC5-44800) with a CAS latency of 46 cycles at 1.10 V, delivering registered ECC DDR5 throughput tuned for the ST650 V3's memory controller.

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