SNR is a comparison of the amount of signal to the amount of noise such as hiss present in the signal expressed in Decibels. A higher SNR equals a better audio experience. For example, dB, is a high audio specification, as this means the audio signal is dB higher than the level of the noise. GA-H67A-D3H-B3 (rev. ) Motherboard - GIGABYTE Global Download the latest BIOS for your motherboard from gigabyte. Gigabyte ga p61 s3 rev 2 0 bios Gigabyte[…]