Midiman M-Audio / USB MIDISPORT8X8/S Rack Mount Midi Interface

Midiman USB Midisport 8x8/s MIDI Interface Rackmount 8x8 Studio Routing Unit

M-AUDIO MIDISPORT 8x8 1U Rackmount USB MIDI Controller

Emagic AMT8 8-Channel Rackmount USB MIDI Interface

U6MIDI Pro - MIDI Interface with Router, Mapper, and Filter - Plug-and-play USB

Tascam US-1800 Audio Midi Interface 16x4 96k 24-bit USB 2.0 with Power Cable

MOTU MIDI TIME PIECE II Mark of the Unicorn Rack Mount Working