Focusrite Scarlett 6i6 6 In/6 Out USB 2.0 Audio Interface With Two Focusrite Mic Preamps

Focusrite gear has been well respected and a common sight in great recording studios all over the world for many years.

M-Audio M-Track Eight 8-Channel USB Audio Interface

If you are just recording one or two tracks at a time, the two channel interface will work great, but if you need to record several tracks at once, on separate tracks, then you will need a multi-track audio interface like this to allow you to assign each track to its own separate track in your recording and editing software.