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Single green 288-pin DDR4 UDIMM module with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 32GB DDR4 2666 ECC UDIMM CL19 1.2V 2Rx8 server RAM

SKU CH-6J74-5KYM4

32 GB DDR4 ECC UDIMM running at 2666 MHz with CL19 latency and 1.2 V operation for server and NAS upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 32 GB capacity supports demanding NAS workloads
  • DDR4 2666 speed delivers PC4-21300 bandwidth
  • ECC UDIMM design protects data integrity in servers
  • 20 V operation reduces power draw
  • 2Rx8 rank optimises memory density

32 GB DDR4 ECC UDIMM for NAS

This module adds 32 GB of DDR4 ECC unbuffered memory to compatible QNAP NAS devices and other systems that accept 288-pin UDIMMs. It targets administrators who need data-integrity protection for file serving, virtualization or backup workloads.

DDR4 2666 CL19 interface limits

The DDR4 2666 (PC4-21300) interface caps peak bandwidth at the JEDEC standard rate for this speed grade. Latency is fixed at CL19 and voltage at 1.20 V, so the module cannot exceed the throughput or timing parameters defined by the DDR4 2666 specification.

32 GB single-module capacity and headroom

A single 32 GB stick fills one slot and suits workloads that fit within that footprint, such as typical NAS services or light virtualization. Systems requiring more than 32 GB total must add additional modules, and the 2Rx8 organisation may limit maximum rank count on some boards.

How it compares

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

Price $225.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $7.06 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
Product lineQNAP NAS Device Memory
Model nameQNAP NAS Memory
Part numberME21300-328K1
Total capacity32 GB
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

Is the 32GB single module the only capacity available for this DDR4 2666 ECC UDIMM?

Yes, this part is sold as a single 32GB stick with the 2Rx8 organisation and CL19 timing.

What does the DDR4 2666 (PC4-21300) rating deliver in an actual server?

The module runs at 2666 MT/s with CL19 latency at 1.20V, providing ECC error correction for data integrity under load.

How does the 288-pin DDR4 ECC UDIMM interface limit performance in practice?

The unbuffered 288-pin DDR4 slot caps throughput at the PC4-21300 line rate, so the stick cannot exceed 2666 MT/s even if the board supports faster speeds.

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