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Green rectangular circuit board with gold edge connectors and black memory chips

OWC

OWC 16GB DDR4 2666 CL19 2Rx8 260-pin SODIMM memory upgrade

SKU CH-1Z6N-Q7APX

A 16GB DDR4 2666 CL19 SODIMM module for QNAP TVS-672N, TVS-673e, TVS-872N, TVS-873e and TVS-951X NAS systems

  • Capacity16GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • Boosts NAS responsiveness with 16 GB DDR4 2666 MHz CL19 module
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 2Rx8 260-pin SODIMM installs in minutes without tools
  • Backward compatible with 2400 MHz and 2133 MHz systems
  • Replaces QNAP part numbers for TVS-672N, TVS-673e, TVS-872N, TVS-873e, TVS-951X

Compatible QNAP NAS upgrade

This 16GB DDR4 2666 SODIMM is built for QNAP TVS-672N, TVS-673e, TVS-872N, TVS-873e and TVS-951X systems. It installs as a single module to expand memory capacity for virtualisation, container workloads and large file caches. The unbuffered, non-ECC design matches the factory specification for these NAS platforms. JEDEC compliance ensures the upgrade is warranty-safe for the host device.

Replaces QNAP factory modules

The module substitutes QNAP part numbers RAM-16GDR4T0-SO-2666, RAM-16GDR4K0-SO-2666 and RAM-16GDR4K1-SO-2666. Upgrading is worthwhile when the existing 8GB or 16GB configuration limits concurrent VMs or Docker containers. Backward compatibility with 2400 and 2133 speeds allows use in older slots, though the system will run at the lower frequency. Builders needing ECC registered memory or capacities above 16GB per slot should look elsewhere.

Sustained NAS workload behaviour

Continuous indexing, snapshot replication and encryption tasks keep the module at its rated 1.2V without a heat spreader. The CL19 latency and 2Rx8 organisation deliver steady throughput for multi-user file access over long periods. Validation at the OWC lab confirms stability under extended load rather than brief benchmark runs. Systems running 24/7 services benefit from the consistent signal integrity of the JEDEC-standard PCB.

Helstu kostir

  • Boosts NAS responsiveness with 16 GB DDR4 2666 MHz CL19 module
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 2Rx8 260-pin SODIMM installs in minutes without tools
  • Backward compatible with 2400 MHz and 2133 MHz systems
  • Replaces QNAP part numbers for TVS-672N, TVS-673e, TVS-872N, TVS-873e, TVS-951X

Tæknilýsing

BrandOWC
Part Number2S6D42R816GB
Capacity16GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemQNAP TVS-672N
QNAP TVS-673e
QNAP TVS-872N
QNAP TVS-873e
QNAP TVS-951X

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Does the 260-pin SODIMM fit the memory slots in my QNAP TVS-872N?

Yes, the 260-pin DDR4 SODIMM form factor matches the slots used by the TVS-872N, TVS-873e, TVS-672N, TVS-673e and TVS-951X models.

Which way round does the 2Rx8 module go in, and what click confirms it is seated?

Align the notch on the gold edge with the key in the slot, press down firmly until both side latches snap into the notches on the module.

Will the 1.2 V non-ECC DDR4 2666 module need a firmware update or replacement after a few years?

No firmware update is required; the JEDEC-standard 1.2 V module runs at 2666 MHz (or 2400/2133 MHz) for the life of the system.

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