Usually 1 fan per cabinet works well, they move a lot of air, give us a call if you have lots of stuff and are unsure. Toll Free....888-408-3028
1 Amp, 1 DVR, 1 DVD | 1 Fan |
1 Amp, 1 DVR, 1 DVD, 1 Game Console | 1 Fans |
1 Amp, 2 DVR's, 1 DVD, 1 Game Console, 1 Power conditioner | 2 Fans |