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Green printed circuit board with black 288-pin DDR5 memory module, no heat spreader, single-sided chips

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 ECC UDIMM CL40 1Rx8 1.1V 288-pin memory upgrade

SKU CH-EFDB-NXH4Y

16 GB DDR5 ECC UDIMM running at 4800 MT/s with CL40 latency and 1.1 V operation for ASUS P13R-series motherboards

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Exact DDR5-4800 PC5-38400 spec match for rated-speed recognition
  • Verified fit for ASUS P13R-E and P13R-M series motherboards
  • ECC corrects single-bit errors to prevent silent data corruption
  • 1Rx8 unbuffered 288-pin UDIMM at 1.1 V meets board requirements
  • Lifetime replacement warranty with US-based technical support

NEMIX RAM 16GB DDR5 4800 ECC UDIMM

This 16GB DDR5 module runs at 4800 speed with CL40 latency and 1.1V voltage. It uses a 288-pin unbuffered ECC UDIMM form factor with 1Rx8 organisation. The memory is built for ASUS P13R-E and P13R-M series motherboards requiring PC5-38400 specification.

Who this suits and who should look elsewhere

Buyers upgrading compatible ASUS workstation boards with DDR5 ECC unbuffered slots will find the exact match. Systems needing registered RDIMM modules or non-ECC memory cannot use this part. Laptop or small-form-factor builds requiring SODIMM format must choose a different product.

Specification that decides fit

The 288-pin DDR5 ECC unbuffered UDIMM form factor with 1Rx8 rank and 1.1V operation determines compatibility. Only motherboards explicitly supporting this exact combination will recognise the module at full 16GB capacity and 4800 speed.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $369.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $23.12 per GB
Pricier than about 68% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Memory
Model nameDDR5 ECC Unbuffered UDIMM Memory
Part numberME38400-618K1
Total capacity16 GB
Product type288-Pin DDR5 ECC UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC UDIMM KIT

Questions about this item

Will the ECC UDIMM need any firmware updates or chip replacement over its service life?

No firmware updates or chip replacements are required; the module uses Samsung, Micron or Hynix DRAM and runs at the rated 1.10 V for its lifetime.

What thermal limit appears first when the module runs continuously at DDR5 4800?

The 1.10 V operating voltage and CL40 timing keep power draw low, so the module stays within JEDEC thermal limits without a heat spreader.

How much heat and fan noise does the 1Rx8 ECC UDIMM add during all-day operation?

With no heat spreader and a standard 1.10 V supply, the stick adds minimal heat and produces no audible noise of its own.

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