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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM512642400SO 4GB DDR4 2400 CL17 SODIMM for QNAP TS-473 TS-673 memory upgrade

SKU CH-ETD0-02H9R

4GB DDR4 SODIMM at 2400 MHz CL17, 1.2 V unbuffered, validated for QNAP TS-473 and TS-673 NAS units

  • Total capacity4 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 4GB capacity expands NAS memory for heavier workloads
  • DDR4 2400 speed matches TS-473 and TS-673 specifications
  • CL17 latency supports responsive multitasking on QNAP servers
  • 260-pin SO-DIMM form factor fits NAS memory slots directly
  • 2V operation reduces power draw in compatible QNAP models

Compatible QNAP NAS Upgrade

This 4GB DDR4 SO-DIMM is built for QNAP TS-473 and TS-673 series NAS servers. It targets owners who need a straightforward capacity increase for multi-tasking or virtualization workloads. The module arrives as a single 4GB stick validated for those specific models.

Standard SO-DIMM Build

The stick uses a 260-pin unbuffered layout running at 1.2V without a heat spreader. Major-brand chips are arranged in a 2Rx8 configuration, so it fits the standard SODIMM slots inside the compatible QNAP units. Installation follows the usual laptop-memory procedure with no extra cables or brackets required.

Low-Power Operation

CL17 timing at 2400 MHz keeps latency tight while the 1.2V supply limits heat output inside the sealed NAS chassis. Because the module is non-ECC and unbuffered, it runs quietly with no active cooling needed. All installed memory will operate at the slowest module speed, so mixing with faster sticks offers no gain.

How it compares

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

Price $21.99
Cheaper than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.50 per GB
Cheaper than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512642400SO
Total capacity4 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsQNAP NAS Servers TS-473, TS-473-4G; TS-473-8G, TS-673, TS-673-4G; TS-673-8G
In the box
Included items1 Memory RAM Stick

Questions about this item

Does the DDR4 2400 interface limit the speed in a QNAP TS-473 or TS-673?

The module runs at 2400 MHz PC4 19200 with CL17 timing at 1.2 V, and the NAS will operate all installed memory at the slowest module or CPU capability.

Will this 260-pin SO-DIMM fit the memory slots in the TS-473 and TS-673 models?

Yes, it is a 260-pin DDR4 SO-DIMM without a heat spreader, matching the SODIMM sockets used in the TS-473, TS-473-4G, TS-473-8G, TS-673, TS-673-4G and TS-673-8G.

What is the correct installation method and the step users often miss?

Align the notch on the module with the key in the slot, press firmly until the side clips lock automatically, then confirm the new capacity in the QNAP firmware.

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