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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 96GB (2x48GB) DDR5 5600 CL46 ECC RDIMM for Lenovo ThinkSystem ST650 V3 memory upgrade

SKU CH-00RP-GHDY2

96 GB dual-module DDR5 kit with ECC RDIMM registration, CL46 latency and 1.1 V operation for the Lenovo ThinkSystem ST650 V3

  • Capacity96GB (2 x 48GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • ECC protection guards data integrity with DDR5 5600 CL46 registered modules
  • 96 GB kit (2 × 48 GB) expands Lenovo ThinkSystem ST650 V3 capacity
  • 1 V DDR5 lowers power draw versus higher-voltage alternatives
  • 1Rx4 288-pin RDIMM fits supported server slots without adapters
  • Major OEM Samsung, Micron or Hynix chips deliver enterprise-grade reliability

Server memory upgrade

This 96GB kit contains two 48GB DDR5 5600 registered ECC RDIMMs built for the Lenovo ThinkSystem ST650 V3 tower server. Each module runs at 1.1V with CL46 latency and a 1Rx4 organisation using major OEM DRAM. The registered design buffers address and command signals to support high-density server configurations.

Thermals and power

Operating at 1.1V keeps power draw low for a 96GB capacity, helping the server’s existing airflow manage thermals without extra cooling. No heat spreaders are fitted, so the modules rely on the chassis fans for direct airflow across the PCB. Registered buffering adds negligible latency while stabilising the memory bus under sustained loads.

Build and connectivity

The 288-pin DDR5 RDIMM form factor matches the ST650 V3 memory slots exactly, allowing tool-free installation in minutes. ECC and registered operation protect data integrity for mission-critical workloads. Buyers who need unbuffered UDIMMs or non-ECC memory for workstation boards cannot use this kit.

Highlights

  • ECC protection guards data integrity with DDR5 5600 CL46 registered modules
  • 96 GB kit (2 × 48 GB) expands Lenovo ThinkSystem ST650 V3 capacity
  • 1 V DDR5 lowers power draw versus higher-voltage alternatives
  • 1Rx4 288-pin RDIMM fits supported server slots without adapters
  • Major OEM Samsung, Micron or Hynix chips deliver enterprise-grade reliability

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR44800-4814K2
Capacity96GB (2 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 Content96GB (2 x 48GB) DDR5 5600MHz PC5-44800 1Rx4 1.1V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules into the ThinkSystem ST650 V3?

Power off the server, open the chassis, locate the DIMM slots for your CPU, align the notch on each 288-pin module with the slot key, press firmly until the ejector tabs click shut, then close the case and power on.

What maintenance or replacement will the 1Rx4 ECC RDIMM kit need over time?

No routine maintenance is required; keep the server air filters clean so the modules stay cool, and if a DIMM fails the ECC logic will flag it — replace the faulty 48 GB stick with an identical DDR5 5600 CL46 1.10 V RDIMM.

What limit appears first when the 96 GB kit runs sustained workloads at 5600 MT/s?

The CL46 latency at 1.10 V is the first ceiling you hit; throughput scales with the 5600 speed, but response time cannot improve beyond the rated timing without exceeding the module's validated voltage.

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