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Green circuit board with black memory chips and gold edge connector

OWC

OWC 8GB DDR4 2666 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM memory upgrade

SKU CH-4C9A-0NNB9

Adds 8 GB of DDR4 2666 CL19 SODIMM memory to compatible QNAP NAS models

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • 8 GB capacity expands NAS multitasking headroom
  • DDR4 2666 speed matches QNAP TS-435XeU TS-473A TS-673A TS-873A TVS-472XT specs
  • CL19 latency and 1.2 V voltage keep power draw low
  • JEDEC and RoHS compliance ensures warranty-safe upgrade
  • 260-pin SODIMM form factor fits laptop mini-desktop micro-server NAS slots

Targeted NAS Upgrade

This OWC module adds 8 GB of DDR4 2666 memory to compatible QNAP NAS units including the TS-435XeU, TS-473A, TS-673A, TS-873A and TVS-472XT. It is built for administrators who need a straightforward capacity increase without changing voltage or form factor. The non-ECC, unbuffered design matches the original specification for these systems.

Capacity and Speed Limits

The single 8 GB rank runs at PC4-21300 with CL19 latency and 1.2 V, delivering the standard throughput these platforms expect. It will down-clock to 2400 MHz or 2133 MHz if the slot requires it, but it cannot exceed the DDR4 2666 ceiling. Builders who need more than 8 GB per slot or require ECC protection must look elsewhere.

Build Integration

The 260-pin SODIMM fits directly into the memory slot on the listed QNAP models with no adapter or heat spreader needed. JEDEC and RoHS compliance keep the upgrade warranty-safe, and the low-profile design leaves clearance for tight chassis layouts. No BIOS changes or additional power connections are required for installation.

Points forts

  • 8 GB capacity expands NAS multitasking headroom
  • DDR4 2666 speed matches QNAP TS-435XeU TS-473A TS-673A TS-873A TVS-472XT specs
  • CL19 latency and 1.2 V voltage keep power draw low
  • JEDEC and RoHS compliance ensures warranty-safe upgrade
  • 260-pin SODIMM form factor fits laptop mini-desktop micro-server NAS slots

Caractéristiques

BrandOWC
Part Number2S6D41R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-435XeU
QNAP TS-473A
QNAP TS-673A
QNAP TS-873A
QNAP TVS-472XT

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Questions sur cet article

Will the 2666MHz CL19 module run correctly alongside my existing 2400MHz DDR4 SODIMMs in a QNAP TS-473A?

Yes, the module is backwards compatible with 2400MHz and 2133MHz systems, so it will operate at the speed of the slowest installed module.

How can I confirm the 8GB 1Rx8 module is recognised at 2666MHz after installing it in my TS-873A?

Check the system information or resource monitor in the QNAP OS; it will display the installed capacity, speed and rank configuration for each slot.

Does the single 260-pin SODIMM arrive with a heat spreader or any tools, or must I buy those separately?

The module has no heat spreader and no tools are included; only the memory stick itself is supplied in the package.

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