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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 16GB DDR4 2666 ECC UDIMM 2Rx8 1.2V CL19 memory upgrade

SKU CH-2HWT-RMH12

Adds 16 GB of DDR4 ECC UDIMM memory at 2666 MHz CL19 for compatible QNAP NAS models

  • Capacity16GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • ECC protection guards data integrity with built-in error correction
  • 16 GB capacity expands NAS memory for heavier workloads
  • 2666 MHz DDR4 speed matches QNAP system requirements
  • 2 V operation lowers power draw and heat
  • 288-pin UDIMM form factor fits listed QNAP models directly

QNAP NAS ECC UDIMM upgrade

This 16GB DDR4 2666 ECC UDIMM module is built for QNAP NAS models TNS-h1083X TS-1283XU-RP TS-1683XU-RP TS-2483XU-RP and TS-883XU. It delivers 16GB capacity with error-correcting code for data integrity in storage workloads. The unbuffered design fits standard 288-pin DDR4 slots in these systems.

Compatibility and limits

The module suits owners of the listed QNAP units who need ECC memory for reliable operation. Buyers with different NAS brands or desktop motherboards should verify their platform requires DDR4 2666 ECC UDIMM before purchasing. Systems needing registered or load-reduced DIMMs cannot use this unbuffered part.

DDR4 2666 CL19 1.2V spec

The decisive specification is DDR4 2666 PC4-21300 CL19 at 1.2V with 2Rx8 organization. This speed and latency combination must match the memory controller requirements of the target QNAP models for stable operation.

Ciri-ciri utama

  • ECC protection guards data integrity with built-in error correction
  • 16 GB capacity expands NAS memory for heavier workloads
  • 2666 MHz DDR4 speed matches QNAP system requirements
  • 2 V operation lowers power draw and heat
  • 288-pin UDIMM form factor fits listed QNAP models directly

Spesifikasi

BrandOWC
Part Number2E6D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemQNAP TNS-h1083X
QNAP TS-1283XU-RP
QNAP TS-1683XU-RP
QNAP TS-2483XU-RP
QNAP TS-883XU

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Which QNAP NAS models will accept this 16GB DDR4 2666 ECC UDIMM module?

This module is validated for QNAP TNS-h1083X, TS-1283XU-RP, TS-1683XU-RP, TS-2483XU-RP and TS-883XU systems.

Will the module run at 2666 MT/s if my NAS currently uses 2133 or 2400 MT/s memory?

Yes, the specification lists backward compatibility with 2133 and 2400 MT/s, so the DIMM will operate at the speed supported by the platform.

How can I confirm the module is recognised with ECC active after installation?

Check the NAS firmware memory information page; it should show 16GB at 2666 MT/s with ECC reported as enabled.

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