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Two green DDR4 UDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2666MHz ECC UDIMM 2Rx8 1.2V 288-Pin

SKU CH-M3K7-FWJSX

64 GB DDR4 ECC UDIMM kit running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • ECC protection guards data integrity with error-correcting code
  • Dual-rank 2Rx8 organisation increases memory density per channel
  • 2666 MHz DDR4 speed delivers PC4-21300 bandwidth
  • Low 1.2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits standard unbuffered server slots

NEMIX RAM 64GB ECC UDIMM Kit

This 64GB kit contains two 32GB DDR4 2666MHz unbuffered ECC modules rated at PC4-21300 with CAS latency 19. It targets servers and workstations that require error-correcting memory for data integrity.

Thermals Noise and Power Draw

Operating at 1.2V, the modules draw minimal power and generate low heat under typical server workloads. No active cooling is included, so adequate case airflow is expected to maintain stable temperatures.

Build Quality and Connectors

Each stick uses a standard 288-pin UDIMM form factor with 2Rx8 organisation built from major OEM Samsung, Micron or Hynix chips. The unbuffered design suits platforms that accept ECC UDIMMs directly without registered DIMM slots.

How it compares

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

Price $482.99
Pricier than about 70% 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).
CAS latency 19
Lower than about 91% of the 439 comparable items (median 40).
Price per GB $7.55 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Model namePart#: ME21300-328K2-SM-SYS-5019C-M
Part numberPart#: ME21300-328K2-SM-SYS-5019C-M
Total capacity64 GB (2 × 32 GB)
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency19
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

How do I install the 288-pin DDR4 ECC UDIMM modules and which step is often missed?

Align the notch on each 288-pin module with the slot key, press down evenly until both retention clips click, then verify in BIOS that both 32GB sticks show 64GB total at 2666MHz with ECC active.

What maintenance or replacement will the 2Rx8 DDR4 2666MHz kit need over time?

No routine maintenance is required; if a module fails the lifetime replacement warranty covers it, otherwise the kit runs until a platform upgrade demands a different memory generation.

What limit appears first when the 1.2V 64GB kit runs sustained workloads?

The CAS 19 latency at 2666MHz sets the throughput ceiling; thermals stay within JEDEC spec at 1.2V, so bandwidth saturates before temperature throttling occurs.

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