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Eight green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 384GB 8x48GB DDR5 5600 CL46 ECC RDIMM Lenovo ST650 V3

SKU CH-W4PG-PB9XE

Eight 48 GB DDR5 ECC registered DIMMs deliver 384 GB at 5600 MHz CL46 for the Lenovo ThinkSystem ST650 V3

  • Total capacity384 GB (8 × 48 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 384 GB total capacity from eight 48 GB modules
  • DDR5 5600 speed with CL46 latency for server workloads
  • ECC RDIMM registered design protects data integrity
  • 1 V operation reduces power draw in Lenovo ST650 V3
  • 288-pin DDR5 form factor fits the ThinkSystem server

Lenovo ST650 V3 memory kit

This 384GB kit supplies eight 48GB DDR5 RDIMM modules built for the Lenovo ThinkSystem ST650 V3 tower server. Each module runs at 5600MHz with CL46 latency and operates at 1.1V. Registered ECC design adds error correction for data integrity.

Suited for high-density server workloads

IT teams expanding memory capacity in a compatible ST650 V3 will find the 1Rx4 registered configuration a direct fit. Builders needing unbuffered DIMMs, non-ECC memory, or a different form factor should look elsewhere.

384GB total across eight slots

The kit fills eight DIMM slots with 48GB each, delivering substantial headroom for virtualization, databases, and memory-intensive applications. Workloads exceeding 384GB or requiring higher speeds than 5600MHz will need additional or faster memory.

How it compares

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

Price $8,590.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (8 × 48 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $22.37 per GB
Pricier than about 67% 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 numberMR44800-4814K8
Total capacity384 GB (8 × 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 items384 GB (8 × 48 GB) DDR5 5600 MHz PC5-44800 1Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the ST650 V3 need a specific BIOS revision before installing this 384GB DDR5 5600 CL46 1Rx4 kit?

The kit is validated for the Lenovo ThinkSystem ST650 V3; check the server vendor's compatibility list or update to the latest firmware before populating all eight 288-pin slots.

Can I keep some of the original 48GB DDR5 5600 RDIMMs and add these 8 modules to reach 384GB?

Yes, provided the existing modules are also 1Rx4 DDR5 5600 ECC registered DIMMs at 1.10 V; mixed ranks or speeds will force the memory controller to down-clock the entire array.

How do I verify the full 384GB is recognised and running at 5600 MT/s with ECC active after installation?

Boot into the BIOS or UEFI memory summary — total capacity should show 384 GB, speed 5600 MT/s, and ECC status enabled for each of the eight slots.

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