Dell - 07HKR8 - I/O Daughter Board Audio SD 2x USB 07HKR8 - Dell - System Board for I/O Daughter Board Audio SD 2X USB XPS One 2720 $106.88 $90.58
Dell - 0H62YC - Front I/O Panel Board Audio USB 0H62YC - Dell - XPS 8920 Front Audio USB I/O Panel Board $36.89 $29.99
Dell - 0R8205 - I/O Board USB Audio Optiplex GX520 0R8205 - Dell - USB/Audio Board for Optiplex Gx520 $36.06 $29.32
Dell - 0UF888 - Front I/O Board USB Audio SFF 0UF888 - Dell - Front Power Board USB and Audio for SFF Optiplex GX745 $30.75 $25.00