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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

  • Capacity192GB (4 x 48GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 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.

Highlights

  • 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

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR44800-4814K4
Capacity192GB (4 x 48GB)
SpeedDDR5 5600 (PC5 44800)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemLenovo
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx4
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content192GB (4 x 48GB) DDR5 5600MHz PC5-44800 1Rx4 1.1V 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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