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Four green DDR5 server memory modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 5600 192GB 4x48GB CL46 1Rx4 ECC RDIMM Lenovo ST650 V3

SKU CH-RXB8-G201X

192GB registered ECC DDR5 kit runs at 5600MHz with CL46 latency for Lenovo ThinkSystem ST650 V3 servers

  • Total capacity192 GB (4 × 48 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 192 GB total capacity from four 48 GB modules
  • DDR5 5600 speed for high-throughput server workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Validated for Lenovo ThinkSystem ST650 V3

Lenovo ST650 V3 192GB DDR5 Kit

This registered ECC DDR5 kit provides 192GB across four 48GB modules for the Lenovo ThinkSystem ST650 V3 tower server. It targets administrators who need maximum supported capacity for virtualisation or database workloads.

Registered ECC with 1Rx4 organisation

The modules use a 1Rx4 layout and registered buffering to maintain signal integrity at full population. On-die ECC corrects single-bit errors without consuming extra bandwidth or requiring additional chips.

192GB at DDR5 5600 CL46

Four slots filled with 48GB RDIMMs deliver the full 192GB at 5600 MT/s and CL46 latency. The kit reaches the platform memory ceiling, so further expansion requires a different server chassis.

How it compares

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

Price $4,937.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (4 × 48 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $25.72 per GB
Pricier than about 70% 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 numberMR44800-4814K4
Total capacity192 GB (4 × 48 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items192 GB (4 × 48 GB) DDR5 5600 MHz PC5-44800 1Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the ECC RDIMM modules need re-seating or firmware attention after long periods of continuous operation in the ST650 V3?

The kit uses 1Rx4 registered DDR5 modules at 1.10 V; standard server practice is to reseat memory only if the system reports correctable ECC errors or during planned maintenance.

What limit appears first when the 192 GB kit runs at DDR5 5600 continuously?

Sustained throughput is capped by the CL46 latency and the PC5-44800 data rate; the memory controller or thermal throttling will saturate before the modules themselves reach a hard bandwidth ceiling.

How much heat and power do the four 48 GB sticks produce at 1.1 V under all-day load?

Each module draws 1.1 V at DDR5 5600 with no heat spreader; total power scales with the 192 GB capacity and registered buffering, so expect modest warmth that the ST650 V3 chassis airflow is designed to handle.

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