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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

  • Total capacity2 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 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.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 2 GB
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $9.50 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1U6D31R802 GB
Total capacity2 GB
Product type240-Pin DDR3 Non-ECC UDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsQNAP TS-1279U-RP
QNAP TS-1679U-RP
QNAP TS-879U-RP

Other versions of this model

5 more in the same range

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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