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Green 240-pin DDR3 ECC UDIMM module with black memory chips

OWC

OWC 8GB DDR3 1600 PC3-12800 CL11 2Rx8 240-pin 1.5V ECC UDIMM memory upgrade

SKU CH-RWX3-3K5Q4

8GB DDR3-1600 ECC UDIMM module validated for QNAP TS-EC1279U-RP, TS-EC1679U-RP, TS-EC1679U-SAS-RP and TS-EC879U-RP

  • Capacity8GB
  • Type240-Pin DDR3 ECC UDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCYes
  • 8GB capacity expands system memory for heavier workloads
  • DDR3 1600 speed delivers PC3-12800 bandwidth for responsive performance
  • ECC protection detects and corrects single-bit errors automatically
  • 240-pin UDIMM fits QNAP TS-EC1279U-RP TS-EC1679U-RP TS-EC1679U-SAS-RP TS-EC879U-RP
  • JEDEC and RoHS compliant for warranty-safe upgrades

System-specific DDR3 ECC UDIMM

This OWC module adds eight gigabytes of DDR3 1600 memory with ECC error correction for QNAP TS-EC series NAS units. It is an unbuffered 240-pin DIMM rated at 1.5 volts and CL11 latency. The part replaces QNAP modules RAM-8GDR3EC-LD-1600 and RAM-8GDR3-LD-1600.

ECC unbuffered DDR3 1600 specification

The module runs at PC3-12800 speed with 2Rx8 organisation and no heat spreader. JEDEC and RoHS compliance means it meets the original equipment manufacturer timing and voltage requirements for the listed QNAP models. Buyers whose systems require registered or load-reduced DIMMs cannot use this stick.

Single-module upgrade kit

The package contains one 8GB DIMM and no additional cables, brackets or software licences. Installation is a user-serviceable procedure that does not void the host system warranty. Customers needing matched pairs or larger total capacities must purchase multiple units separately.

Highlights

  • 8GB capacity expands system memory for heavier workloads
  • DDR3 1600 speed delivers PC3-12800 bandwidth for responsive performance
  • ECC protection detects and corrects single-bit errors automatically
  • 240-pin UDIMM fits QNAP TS-EC1279U-RP TS-EC1679U-RP TS-EC1679U-SAS-RP TS-EC879U-RP
  • JEDEC and RoHS compliant for warranty-safe upgrades

Specifications

BrandOWC
Part Number1E6D32R808GB
Capacity8GB
Type240-Pin DDR3 ECC UDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-EC1279U-RP
QNAP TS-EC1679U-RP
QNAP TS-EC1679U-SAS-RP
QNAP TS-EC879U-RP

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Questions about this item

What does the 1600 MHz speed rating mean once the module is installed in my QNAP TS-EC1279U-RP?

The module runs at 1600 MHz DDR3, delivering PC3-12800 bandwidth. The NAS memory controller sets the actual operating speed, so it will run at 1600 MHz if the system supports that rate, otherwise it downclocks to the highest supported speed.

How does the 240-pin DDR3 ECC unbuffered interface affect compatibility with the TS-EC1679U-SAS-RP?

The 240-pin DDR3 ECC unbuffered DIMM matches the TS-EC1679U-SAS-RP memory slots. ECC provides error correction for data integrity, and the unbuffered design connects directly to the memory controller without a register.

Will the 240-pin 1.5 V DIMM fit the memory slots in a TS-EC879U-RP without a heat spreader?

Yes. The module uses the standard 240-pin DDR3 UDIMM form factor at 1.5 V. It has no heat spreader, so it fits the TS-EC879U-RP slots as long as the chassis provides enough vertical clearance for a bare PCB.

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