Here's a guide to figure out how much disk space is required for audio recording at various resolutions:

(in approximate sizes)

• 16 bit / 44.1 kHz •
1 minute of 1 mono track - 5 MB (Megabytes)
1 minute of 1 stereo track - 10 MB

• 16-bit / 48 kHz •
1 minute of 1 mono track - 5.5 MB
1 minute of 1 stereo track - 11 MB

• 24-bit / 44.1 kHz •
1 minute of 1 mono track - 7.5 MB
1 minute of 1 stereo track - 15 MB

• 24-bit / 48 kHz •
1 minute of 1 mono track - 8.2 MB
1 minute of 1 stereo track - 16.4 MB

• 16-bit / 88.2 kHz
1 minute of 1 mono track - 10 MB
1 minute of 1 stereo track - 20 MB

• 16-bit / 96 kHz •
1 minute of 1 mono track - 11 MB
1 minute of 1 stereo track - 22 MB

• 24-bit / 88.2 kHz •
1 minute of 1 mono track - 15 MB
1 minute of 1 stereo track - 30 MB

• 24-bit / 96 kHz •
1 minute of 1 mono track - 16.4 MB
1 minute of 1 stereo track - 32.8 MB

• 16-bit / 176.4 kHz
1 minute of 1 mono track - 20 MB
1 minute of 1 stereo track - 40 MB

• 16-bit / 192 kHz •
1 minute of 1 mono track - 22 MB
1 minute of 1 stereo track - 44 MB

• 24-bit / 176.4 kHz •
1 minute of 1 mono track - 30MB
1 minute of 1 stereo track - 60 MB

• 24-bit / 192 kHz •
1 minute of 1 mono track - 32.8 MB
1 minute of 1 stereo track - 65.6 MB