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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1.5TB (16x96GB) DDR5 5600MHz ECC RDIMM 2Rx4 CL46 1.1V 288-Pin Lenovo ThinkSystem ST650 V3

SKU CH-KM1B-MX39E

A 1.5 TB DDR5 ECC RDIMM kit with sixteen 96 GB modules running at 5600 MHz CL46 1.1 V for Lenovo ThinkSystem ST650 V3 servers

  • Total capacity1.5 TB (16 × 96 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 5TB total capacity from 16 modules of 96GB each
  • DDR5 5600MHz speed rated at PC5-44800 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.10V operating voltage reduces power draw
  • Validated for Lenovo ThinkSystem ST650 V3 tower server

1.5TB DDR5 ECC RDIMM kit for Lenovo ThinkSystem

This registered server memory kit delivers 1.5TB total capacity across sixteen 96GB modules. It is built for the Lenovo ThinkSystem ST650 V3 tower server and targets IT teams expanding memory in that specific platform. The modules use DDR5 technology with ECC and registered signalling for data integrity in multi-socket workloads.

Thermals, noise and power draw in normal use

Each module operates at 1.1V without a heat spreader, relying on the server’s directed airflow for cooling. Registered buffering and the low voltage help contain power draw per DIMM under typical enterprise loads. Acoustic impact is governed by the chassis fan curves rather than the memory itself.

Build quality and connector implications

The kit uses 288-pin DDR5 RDIMM form factor with 2Rx4 organisation and CL46 latency. Major OEM DRAM from Samsung, Micron or Hynix underpins the modules. Installation follows standard DIMM slot population rules for the ST650 V3; no extra cabling or adapters are required. The absence of heat spreaders keeps module height compatible with dense slot layouts.

How it compares

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

Price $44,025.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (16 × 96 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $29.35 per GB
Pricier than about 83% 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 numberMR44800-9624K16
Total capacity1.5 TB (16 × 96 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 items1.5 TB (16 × 96 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 16 DDR5 RDIMM modules in the Lenovo ThinkSystem ST650 V3 and which step is often missed?

Power off the server, open the chassis, and seat each 288‑pin module firmly until the ejector clips lock; the step most people miss is verifying in the BIOS that all 16 modules report 5600 MHz and ECC active before closing the case.

What maintenance or replacement will the 1.5 TB kit need over its service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; replacement is only needed if a DIMM fails, which the lifetime warranty covers.

What is the first limit that appears when the 16‑module kit runs at sustained load?

The registered 2Rx4 DDR5‑5600 modules operate at 1.1 V with CL46 latency; under continuous heavy workloads the memory controller’s thermal throttle point is reached before any module‑level limit.

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