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Green circuit board with black memory chips, no heat spreader, 288 gold pins along the bottom edge

NEMIX RAM

NEMIX RAM 16GB DDR4 2666 PC4-21300 CL19 1.2V 288-Pin ECC UDIMM 2Rx8 QNAP NAS

SKU CH-K3YM-V28E2

16GB DDR4 2666 ECC UDIMM module with CL19 latency and 1.2V operation for QNAP NAS upgrades

  • Capacity16GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • 16GB DDR4 ECC UDIMM protects data integrity
  • 2666MHz PC4-21300 speed handles demanding workloads
  • CL19 1.2V operation balances performance and efficiency
  • 2Rx8 288-pin layout fits compatible QNAP NAS
  • Major OEM chips ensure reliable server-grade stability

16GB DDR4 ECC UDIMM for QNAP NAS

This 16GB DDR4-2666 ECC UDIMM module is built for QNAP NAS devices that require 288-pin unbuffered memory with error correction. It operates at 1.20V with CL19 latency and a 2Rx8 organisation. The stick uses major OEM chips from Samsung, Micron or Hynix and carries no heat spreader.

Sustained workload stability

All modules are rigorously stress tested under load to ensure reliability during continuous operation in mission-critical environments. The ECC function detects and corrects single-bit errors on the fly, preventing silent data corruption during long file transfers, backups or virtualisation tasks. Unbuffered design keeps latency low for responsive NAS services.

Compatibility checks before ordering

Verify that your QNAP model accepts 16GB DDR4-2666 ECC UDIMM modules in a 2Rx8 configuration at 1.20V. Confirm the motherboard has a free 288-pin slot and supports unbuffered ECC memory rather than registered or non-ECC types. Check the maximum supported capacity per slot and total system limit in the owner's manual. Ensure the BIOS or firmware is current for proper memory training.

Points forts

  • 16GB DDR4 ECC UDIMM protects data integrity
  • 2666MHz PC4-21300 speed handles demanding workloads
  • CL19 1.2V operation balances performance and efficiency
  • 2Rx8 288-pin layout fits compatible QNAP NAS
  • Major OEM chips ensure reliable server-grade stability

Caractéristiques

BrandNEMIX RAM
SeriesQNAP NAS Device Memory
ModelQNAP NAS Memory
Part NumberME21300-628K1
Capacity16GB
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible

Questions sur cet article

Does the 1.2V DDR4 2666 module run hot or noisy in a QNAP NAS under continuous load?

The module operates at 1.20V without a heat spreader and has no moving parts, so it adds no audible noise and minimal thermal load.

What must my QNAP NAS already support for this 288-pin ECC UDIMM to work?

The NAS needs DDR4 slots that accept 288-pin unbuffered ECC UDIMMs at 2666 MT/s and a memory controller capable of 2Rx8 organisation.

Will this CL19 2Rx8 stick work alongside my existing DDR4 2666 memory in the same QNAP?

Yes, if the existing modules are also DDR4 2666 ECC unbuffered UDIMMs; matching speed, voltage and ECC type lets the system run in multi-channel mode.

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