QNAP TS-421 & QTS 4.0 Review 3

QNAP TS-421 & QTS 4.0 Review

Performance Rating & Performance per Dollar »

Output Noise

For these measurements, we used a high-quality CEM-8852 Sound DB Meter that has been installed 50 cm away from the NAS. The ambient noise in our lab during noise measurements was below 30 dBA.



This is a very silent product, ideal for users that hate noisy equipment.

Output Noise Comparison Graphs

The following graphs show the output noise of TS-421 in comparison to other units we have tested in the past.



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Jan 8th, 2025 02:11 EST change timezone

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