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Synology DS1520+ 5-bay NAS Review - DSM 7.0 Overview
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 from the sound analyzer.
The fans are not noisy, especially in Quiet mode. Noise output isn't that high even with fan speed set to full in DSM.
Output Noise Comparison Graphs
The following graphs show the output noise of the DS1520+ and compare it to other units I have tested.
Jan 10th, 2025 09:18 EST
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