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Sixteen green DDR5 RDIMM modules in a clear tray

NEMIX RAM

NEMIX RAM 512GB 16x32GB DDR5 5600 CL46 ECC RDIMM Lenovo ST650 V3 memory upgrade

SKU CH-RPSR-9C3G9

A 512GB DDR5 5600 ECC RDIMM kit of sixteen 32GB modules for the Lenovo ThinkSystem ST650 V3 tower server

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity across 16 modules of 32 GB each
  • DDR5 5600 speed rated at PC5-44800 for server workloads
  • ECC registered RDIMM design protects data integrity in critical applications
  • Low 1.1 V operating voltage reduces power draw per module
  • Validated compatibility with Lenovo ThinkSystem ST650 V3 tower server

Lenovo ST650 V3 memory kit

This 512GB kit contains sixteen 32GB DDR5 ECC registered DIMMs validated for the Lenovo ThinkSystem ST650 V3 tower server. It targets administrators who need to maximise the memory capacity of that specific platform.

ECC RDIMM benefits

Error-correcting code and registered buffering protect data integrity and reduce electrical load on the memory controller. The modules operate at 1.1V with a CAS latency of CL46, matching the server's qualified memory profile.

DDR5 5600 limits

The PC5-44800 interface runs at 5600 MT/s, so bandwidth is capped at that transfer rate. Dual-rank 2Rx4 organisation increases density but does not raise the peak speed beyond the rated DDR5 5600 specification.

How it compares

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

Price $14,179.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $27.70 per GB
Pricier than about 77% 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 numberMR44800-324K16
Total capacity512 GB (16 × 32 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items512 GB (16 × 32 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 16 DDR5 RDIMM modules need any replacement or maintenance after installation?

DDR5 ECC RDIMM modules have no moving parts and require no scheduled maintenance; they remain in service until a module fails or the Lenovo ThinkSystem ST650 V3 is retired.

What limit appears first when the 512 GB kit runs at DDR5 5600 continuously?

The memory controller’s maximum supported speed of 5600 MT/s is the first ceiling; the kit already operates at that rated frequency, so bandwidth cannot exceed PC5-44800.

How much heat and power do the 1.1 V 2Rx4 modules produce under all-day load?

Each 32 GB module runs at 1.1 V, so total power draw stays low for DDR5; without heatsinks the modules rely on server chassis airflow to stay within thermal limits.

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