The dB values are in!

For 1 mining card, the dB level was 64.4dB.

For 4 mining cards, the dB level was 69.8 dB.

The measures were taken from a 50cm distance in a 28m² rectangular room. The mining cards were not in a chassis, which would decrease the dB levels.


1 mining card on:
http://i57.tinypic.com/2vmaefk.jpg


4 mining cards on:
http://i57.tinypic.com/51v5fl.jpg