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Green circuit board with gold edge connector and black memory chips

OWC

OWC 2GB DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V Non-ECC UDIMM memory upgrade

SKU CH-KPEK-YXB94

A 2 GB DDR3 1600 UDIMM for QNAP TS-1279U-RP, TS-1679U-RP and TS-879U-RP systems

  • Capacity2GB
  • Type240-Pin DDR3 Non-ECC UDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCNo
  • Boosts NAS responsiveness with 2GB DDR3 1600MHz module
  • JEDEC-standard design ensures warranty-safe upgrade for QNAP TS models
  • CL11 latency at 1.5V voltage delivers stable system performance
  • Single-rank 1Rx8 unbuffered DIMM fits 240-pin desktop slots
  • Tested compatible with TS-1279U-RP TS-1679U-RP TS-879U-RP

2GB DDR3 upgrade for QNAP NAS

This module is a single 2GB DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V non-ECC UDIMM. It is validated for QNAP TS-1279U-RP, TS-1679U-RP and TS-879U-RP systems. The JEDEC-standard part installs in a standard desktop DIMM slot.

Suits owners of the listed QNAP models adding

Buyers who need ECC error correction, registered DIMMs, capacities above 2GB, or compatibility with any other server, workstation or desktop platform should look elsewhere. The module is unbuffered and operates at 1.5V only.

PC3-12800 CL11 timing at 1.5V

The memory runs at DDR3 1600 with a CAS latency of 11 and requires 1.5V. If the target system demands a different voltage, speed grade, latency or ECC type, this module will not function correctly.

Highlights

  • Boosts NAS responsiveness with 2GB DDR3 1600MHz module
  • JEDEC-standard design ensures warranty-safe upgrade for QNAP TS models
  • CL11 latency at 1.5V voltage delivers stable system performance
  • Single-rank 1Rx8 unbuffered DIMM fits 240-pin desktop slots
  • Tested compatible with TS-1279U-RP TS-1679U-RP TS-879U-RP

Specifications

BrandOWC
Part Number1U6D31R802GB
Capacity2GB
Type240-Pin DDR3 Non-ECC UDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-1279U-RP
QNAP TS-1679U-RP
QNAP TS-879U-RP

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Questions about this item

Which QNAP NAS models accept this 240-pin DDR3 1600 module?

The module is validated for the TS-1279U-RP, TS-1679U-RP and TS-879U-RP.

Will this non-ECC stick run in a system that currently uses ECC memory?

The DIMM is non-ECC and unbuffered; it must replace or match identical non-ECC modules, not mix with ECC.

How can I confirm the stick is running at 1600 MHz CL11 after installation?

Check the NAS firmware memory report or BIOS POST screen — it should show PC3-12800 speed and CL11 latency.

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