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

OWC

OWC 32GB DDR4 2666 CL19 ECC UDIMM 2Rx8 1.2V memory upgrade

SKU CH-AAAW-89VRA

32 GB DDR4 2666 ECC UDIMM module for QNAP TS-883XU-RP, TS-983XU, TS-983XU-RP and TS-1886XU-RP NAS systems

  • Capacity32GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 32 GB capacity lets you run more VMs and larger datasets
  • ECC protection detects and corrects single-bit errors for data integrity
  • 2666 MHz CL19 timing matches QNAP TS-883XU-RP, TS-983XU, TS-983XU-RP and TS-1886XU-RP specs
  • 2 V DDR4 reduces power draw and heat in 24/7 NAS operation
  • JEDEC and RoHS compliant for warranty-safe upgrades

QNAP NAS memory upgrade

This 32GB DDR4 ECC UDIMM is built for QNAP TS-883XU-RP, TS-983XU, TS-983XU-RP and TS-1886XU-RP systems. It delivers 2666MHz speed with CL19 latency at 1.2V for stable server and NAS workloads. The 2Rx8 unbuffered design fits standard 288-pin slots in compatible appliances.

Replaces 2133MHz or 2400MHz modules

The module runs at 2666MHz and drops to 2133MHz or 2400MHz when the platform requires it. Upgrading is worth it when your NAS runs virtual machines, container stacks or large ZFS pools that exceed current capacity. ECC protection prevents silent data errors during sustained write-heavy tasks.

32GB single-module capacity

One DIMM adds 32GB of ECC-protected memory, leaving remaining slots free for future expansion. It handles multi-user file serving, backup jobs and light virtualisation comfortably. Workloads needing more than 32GB per slot or registered DIMM support will require a different module class.

Points forts

  • 32 GB capacity lets you run more VMs and larger datasets
  • ECC protection detects and corrects single-bit errors for data integrity
  • 2666 MHz CL19 timing matches QNAP TS-883XU-RP, TS-983XU, TS-983XU-RP and TS-1886XU-RP specs
  • 2 V DDR4 reduces power draw and heat in 24/7 NAS operation
  • JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number2E6D42R832GB
Capacity32GB
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-883XU-RP
QNAP TS-983XU
QNAP TS-983XU-RP
QNAP TS-1886XU-RP

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Questions sur cet article

Will the 288-pin DDR4 UDIMM fit the memory slots in my QNAP TS-883XU-RP?

Yes, the module uses the standard 288-pin DDR4 UDIMM form factor required by the TS-883XU-RP, TS-983XU, TS-983XU-RP and TS-1886XU-RP.

Do I need to configure anything in the NAS BIOS after inserting the ECC UDIMM, or is it automatic?

The NAS detects the 2666 MHz CL19 1.2 V ECC module automatically; just power down, insert the DIMM until the retention clips click, then power on — no BIOS changes are required.

If a memory chip fails years from now, can I replace just this 32 GB stick or must I swap the whole set?

Each 32 GB module is individually tested and covered by a limited lifetime warranty, so a single failed stick can be replaced without swapping matched pairs.

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