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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 192GB (12x16GB) DDR5 4800 CL40 1Rx8 ECC RDIMM server RAM

SKU CH-D85Z-QXD6H

12-module 192 GB DDR5 4800 CL40 ECC registered RDIMM kit for Dell PowerEdge R7625 servers

  • Total capacity192 GB (12 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 192 GB total capacity from twelve 16 GB modules
  • DDR5 4800 speed with CL40 latency for server workloads
  • ECC registered design protects data integrity under load
  • 10 V operation reduces power draw per module
  • Validated for Dell PowerEdge R7625 rack server compatibility

192GB DDR5 ECC RDIMM kit for Dell PowerEdge R7625

This 192GB kit contains twelve 16GB DDR5 registered DIMMs built for the Dell PowerEdge R7625 rack server. Each module runs at 4800MT/s with CL40 latency at 1.1V. ECC and registered buffering protect data integrity in mission-critical workloads. The 1Rx8 organisation suits the server's memory architecture.

Sustained throughput with registered buffering

Registered buffering reduces electrical load on the memory controller so all twelve modules maintain rated speed under continuous load. ECC corrects single-bit errors on the fly, preventing silent data corruption during long compute jobs. The 1Rx8 layout keeps per-rank density manageable for stable signalling across full channels.

Low-voltage operation without heat spreaders

Modules operate at 1.10V and ship without heat spreaders, relying on the server's directed airflow for cooling. The reduced voltage limits power draw per DIMM while the open design avoids trapping heat in dense twelve-slot configurations. Acoustic profile follows the chassis fan curve rather than adding component noise.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $5,127.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 192 GB (12 × 16 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $26.71 per GB
Pricier than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Series Server Memory
Model nameDell Compatible DDR5 ECC Registered RDIMM
Part numberMR38400-618K12
Total capacity192 GB (12 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

How much heat and power will the 192GB kit draw at 1.10V when running continuously?

Each module operates at 1.10V, the standard DDR5 voltage, so the 12-stick kit runs at the lower power level defined for this generation.

What motherboard slots and channel layout are required to install all 12 sticks?

You need a server board with 12 DDR5 RDIMM slots, typically arranged across multiple memory channels per CPU socket.

Will this CL40 registered ECC kit work alongside older DDR5 modules I already own?

Mixing registered ECC RDIMMs with different latencies or ranks is not supported; all slots must use identical modules for stability.

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