Apple Input Output I/O Assembly Board, Power Supply Unit for Late 2013 Mac Pro
Includes the full I/O assembly:
Removed from a working Mac Pro

Includes:

    Input/Output Wall
        Apple Part Number(s): 661-7553
    Input/Output Board
        Apple Part Number(s): 661-7541
    Power Supply Unit
        Apple Part Number(s): 661-7542
    Power supply cover, speaker, bluetooth antenna, audio jack, ports EMI shield, AC inlet, I/O board cable
        Apple Part Number(s): 923-0718, 923-0504, 923-0507, 923-0503, 923-0505, 604-4889, 923-0501


Compatible with:

    Mac Pro models Late-2013 and newer