StarTech.com Dual Monitor DisplayPort KVM Switch - 2 Port - USB 2.0 Hub - Audio and Microphone - DP KVM Switch (SV231DPDDUA)
The Dual Monitor DisplayPort KVM Switch with Audio and USB 2.0 Hub combines next-generation digital display standards with seamless KVM control. Easy to Operate The KVM box allows you to switch between 2 dual head or twin DisplayPort systems and is ideal for computer systems with a single DP output and a second video source such as a DVI or HDMI port, all controlled by the same keyboard and mouse. High Resolution Support This KVM switch supports resolutions of 2560x1600 (@60 Hz) with DisplayPort HD audio, as well as 2-channel analog stereo audio and microphone input. It is suitable for high-quality static imaging, such as medical applications (MRI, X-ray, etc.), with a maximum resolution of 3840x2400 (4K) supported at reduced refresh rates. SV231DPDDUA is backed by a Startech.com 3-year warranty with free lifetime technical support.

StarTech.com 6ft 4-in-1 USB DisplayPort KVM Switch Cable w/Audio & Microphone (DP4N1USB6)
The DP4N1USB6 6ft 4-in-1 USB DisplayPort KVM Switch Cable (w/ Audio & Microphone) integrates DisplayPort video quality with USB mouse and keyboard, 3.5mm audio out and microphone connections into a single compact cable. This high-quality, convenient 4-in-1 KVM cable is a cost-effective solution that's suitable for use with any DisplayPort supported USB KVM switch, allowing you to share display and USB peripherals between multiple computers configured for high definition output. Backed by a StarTech.com Lifetime Warranty.