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Green rectangular DDR5 RDIMM module with black memory chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 ECC RDIMM 1Rx8 CL40 1.10V Dell PowerEdge R660xs

SKU CH-JTZ4-SZZWX

16 GB DDR5 4800 ECC registered RDIMM with CL40 latency and 1.10 V operation for Dell PowerEdge R660xs servers

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Capacity 16GB

Rank 1Rx8

  • Registered ECC protects data integrity in Dell PowerEdge R660xs
  • 4800 MT/s DDR5 speed handles heavy server workloads
  • 10 V operation reduces power draw per module
  • Single-rank 1Rx8 layout fits dense memory configurations
  • Major-brand Samsung, Micron or Hynix chips ensure reliability

Dell PowerEdge R660xs Server Memory

This 16GB DDR5 RDIMM is built for the Dell PowerEdge R660xs rack server. IT teams upgrading memory in that platform will find a registered ECC module validated for the system. Buyers who need consumer desktop RAM or non-ECC modules should look elsewhere.

Sustained Workload Stability

Registered buffering and on-die ECC keep data integrity intact during continuous server tasks. The CL40 timing at 4800 MT/s delivers steady throughput for virtualization and database workloads. Modules without ECC or registered signalling cannot meet the same reliability requirements.

Thermals and Power in Rack Use

Operating at 1.10V, the module runs without a heat spreader in the chassis airflow. The low voltage helps contain power draw per DIMM slot in dense configurations. Buyers who need passive cooling in fanless enclosures will need a different solution.

How it compares

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

Price $475.99
Pricier than about 70% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $29.75 per GB
Pricier than about 90% 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 numberMR38400-618K1
Total capacity16 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

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