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Four green DDR5 RDIMM modules in a kit

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 4800 ECC RDIMM server RAM Dell PowerEdge R860

SKU CH-RWYN-389SC

A 64 GB registered DDR5 kit of four 16 GB modules running at 4800 MHz with ECC, CL40 latency and 1.1 V for Dell PowerEdge R860 servers

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64 GB total capacity across four 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM design protects data integrity
  • Low 1.10 V operation reduces power draw
  • Validated for Dell PowerEdge R860 rack servers

Dell PowerEdge R860 64GB Kit

This 64GB kit contains four 16GB DDR5 4800 ECC RDIMM modules built for Dell PowerEdge R860 rack servers. Registered buffering and error correction keep data intact under heavy enterprise workloads. System administrators upgrading memory capacity for virtualization or database tasks will find the kit matches the platform's qualified configuration.

ECC RDIMM changes data integrity

ECC detects and corrects single-bit errors while registered signalling reduces electrical load on the memory controller. Together they let the server sustain larger memory populations without stability loss. The 1.10V operating voltage aligns with the DDR5 standard for lower power draw compared to previous generations.

288-pin RDIMM fits qualified slots

Each module uses the standard 288-pin DDR5 RDIMM form factor with no heat spreader, allowing direct airflow across the DRAM in dense chassis layouts. The 1Rx8 organisation and CL40 latency are validated for the R860 memory subsystem. Builders needing different capacities or speeds must select a kit qualified for their specific server model.

How it compares

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

Price $1,752.99
Pricier than about 85% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $27.39 per GB
Pricier than about 89% 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 numberMR38400-618K4
Total capacity64 GB (4 × 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

Will the 1Rx8 DDR5 modules need any firmware updates or periodic replacement?

The 1Rx8 DDR5 modules are solid-state with no moving parts and no firmware to update; they do not require scheduled replacement.

What thermal or voltage limit is reached first when the kit runs at 4800 MT/s continuously?

The modules operate at the standard 1.10 V DDR5 voltage; the first sustained-use limit is the thermal envelope of the server chassis, not the memory itself.

How much heat and power does the 64 GB kit produce when the R860 runs all day?

At 1.10 V the four 16 GB RDIMMs draw low power and generate minimal heat; the registered design adds negligible overhead in a properly cooled rack server.

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