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Synology DS220j 2-bay NAS Review - For Tight Budgets
Performance Rating & Performance per Dollar »Output Noise
I use a Class 1 Bruel & Kjaer 2250-L G4 sound analyzer equipped with a Type 4955a microphone that features a dBA-weighted dynamic range of below 6 dBA and up to 110 dBA. All tests are conducted inside a hemi-anechoic chamber at 25–28 °C ambient, and the test subject is placed a meter away from the sound analyzer.
This is a virtually silent NAS. Even with the fan operating at full speed, noise is kept below 30 dBA.
Output Noise Comparison Graphs
The following graphs show the output noise of the DS220j and compare it to that of other units I have tested.
Dec 2nd, 2024 02:48 EST
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