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Two green DDR5 RDIMM sticks, bare chips, no heat spreader, 288-pin gold contacts

NEMIX RAM

NEMIX RAM 192GB (2x96GB) DDR5 5600 ECC RDIMM CL46 2Rx4 1.1V Lenovo SR655 V3

SKU CH-8JPE-RKG3D

192 GB dual-rank DDR5 ECC registered kit with two 96 GB modules running at 5600 MT/s, CL46 and 1.1 V for the Lenovo ThinkSystem SR655 V3

  • Total capacity192 GB (2 × 96 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 192 GB total capacity from two 96 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • ECC registered design detects and corrects memory errors
  • 2Rx4 dual-rank organisation increases density per DIMM
  • Low 1.1 V operation reduces server power draw

192GB DDR5 ECC RDIMM Kit

This 192GB kit provides two 96GB DDR5 5600 registered DIMMs with ECC and CL46 latency. It operates at 1.1V and uses a 288-pin form factor with 2Rx4 organisation. The modules are validated for the Lenovo ThinkSystem SR655 V3 AI Server.

For SR655 V3 capacity upgrades

This kit suits administrators expanding memory in the named Lenovo platform where registered ECC DDR5 is required. It is not for consumer desktops, workstations needing unbuffered DIMMs, or systems that cannot accept 96GB per module.

192GB total capacity headroom

The two modules deliver 192GB for large dataset caching, virtualisation density and AI inference workloads. Headroom ends when the platform's maximum DIMM count or memory controller limit is reached, requiring higher-density modules or additional sockets.

How it compares

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

Price $5,254.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (2 × 96 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $27.37 per GB
Pricier than about 76% 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 numberMR44800-9624K2
Total capacity192 GB (2 × 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 items192 GB (2 × 96 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

What Lenovo server model is required for this 192GB DDR5 5600 kit?

This kit is validated for the Lenovo ThinkSystem SR655 V3 AI Server. The motherboard must provide DDR5 RDIMM slots and support registered ECC modules at 1.1V.

Can I mix these 96GB 2Rx4 modules with existing 1Rx8 or 2Rx8 DDR5 RDIMMs in the SR655 V3?

Mixing different rank architectures (2Rx4 vs 1Rx8/2Rx8) in the same channel is not recommended. For stable operation, populate all channels with identical 2Rx4 modules or follow the SR655 V3 memory population guide.

How do I confirm the kit runs at 5600 CL46 after installation?

Enter the SR655 V3 BIOS/UEFI and verify the memory speed reads 5600 MT/s with CAS latency 46. The OS should report 192GB total capacity and ECC active.

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