Headset Interface Adapter - Lets you easily place an audio-only call with SoundStructure installed audio solutions. | Poly, formerly Plantronics & Polycom
Amazon.com: LiDiVi MIDI USB interface MIDI Cable Adapter with Input & Output Connecting, Piano Keyboard/Synthesizer for Editing & Recording Professional MIDI Adapter Cord with Windows/Mac for Studio Black (6.5Ft) : Musical Instruments
HPE KVM Console SFF USB Interface Adapter, 8-Pack (Q5T67A)