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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.1V 2Rx4 ECC RDIMM Server Memory

SKU CH-KTBX-6ERAR

A 64 GB DDR5 ECC registered dual-rank kit with CL40 timing and 1.1 V operation for Dell Precision 5860 workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64 GB total capacity from two 32 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • CL40 latency at 1.10 V registered operation
  • 2Rx4 ECC RDIMM for server data integrity
  • 288-pin form factor fits Dell Precision 5860 Tower Workstation

Dell Precision 5860 Compatible Kit

This 64 GB kit contains two 32 GB DDR5 RDIMM modules built for the Dell Precision 5860 Tower Workstation. Registered ECC operation and a 2Rx4 organisation provide the data integrity required by professional server and workstation workloads.

Thermals Noise and Power

Each module runs at 1.1 V with a CL40 latency at the standard 4800 MT/s speed. The low-voltage DDR5 design limits heat output and power draw, while the absence of a heat spreader keeps the profile slim for dense server chassis airflow.

Registered ECC Changes Reliability

On-die ECC and register buffering correct single-bit errors and reduce electrical load on the memory controller. This combination improves uptime for critical applications without requiring additional software or configuration steps.

How it compares

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

Price $1,747.99
Pricier than about 85% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $27.31 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 numberMR38400-324K2
Total capacity64 GB (2 × 32 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in my Dell Precision 5860 Tower Workstation, and which step is most often missed?

Power off the workstation, open the chassis, align each module notch with the slot key, press firmly until the latches click, then verify in BIOS that both 32GB sticks register at 4800 MT/s; the step most often missed is fully seating both latches on every module.

What maintenance or replacement will this ECC registered kit need over its service life?

No routine maintenance is required; if a correctable error count rises or a module fails, replace the affected 32GB stick with an identical DDR5 4800 CL40 1.1V 2Rx4 RDIMM to keep the kit matched.

What limit appears first when the memory runs sustained workloads at the rated 4800 speed?

The CL40 latency at 1.1V is the primary timing constraint; sustained throughput is bounded by the DDR5 4800 transfer rate and the registered buffer adding one cycle per command.

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