. Star Tech.com 2 Port Dual Display Port USB (Universal Serial Bus) KVM Switch with Audio and; USB (Universal Serial Bus) 2.0 Hub The SV231DPDDUA 2-Port USB (Universal Serial Bus) Dual Display Port KVM Switch with Audio & USB (Universal Serial Bus) 2.0 Hub combines next generation digital display standards with seamless KVM control allowing you to switch between 2 dual head or twin Display Port systems. Also ideal for systems with a single Display Port output & a second video source such as DVI or HDMI using a low cost accessory adapter. Delivering multi-computer control for high-res multimedia applications the dual view KVM supports resolutions of 2560x 1600 (@60 Hz) with Display Port HD audio as well as 2-channel analog stereo audio & microphone input. Suitable for high quality static imaging such as medical applications (MRI X-ray etc.) a maximum resolution of 3840x 2400 is supported at reduced refresh rates..