Used PC Concepts 4 Port Data Transfer Switch Box W/cable

Kentek USB USB A to B 4 Way Mini Data Transfer Switch Box I/O ABCD Port PC

Vintage 2 Way 2 Port A/B Data Transfer Switch Box Input Output

Kentek USB USB A to B 2 Way Data Transfer Switch Box Button IO AB Port PC Device

Kentek USB USB A to B 4 Way Data Transfer Switch Box Push Button IO ABCD Port PC

Vintage Manual Data Transfer Switch Box Centronics 2 Channel A/B Switch

Kentek USB USB A to B 2 Way Mini Data Transfer Switch Box IO AB Port PC Botton

Beige USB A to B 4 Way Mini Data Transfer Switch Box I/O ABCD Port PC