Amazon.com: DVI KVM Switch 2 Port Support Dual Monitor with Cable Kit,Support 4Kx2K@30Hz 1200P 1080P@60Hz,with 2 USB Cables and 4 DVI Cables : Electronics
4 Ports DVI KVM Switch with USB 2.0, Two-way Audio, DAAG-114
Smart-AVI DVN-8Pro 8-Port DVI-D KVM Switch with USB 2.0
4 Port Dual Monitor DVI KVM Switch 1440p - KVM Switches
4-Port DisplayPort 1.2 Smart Console KVM Switch with USB 3.0 and Multi-Media ports - 4K@60Hz
KVM Cable Kit for NIAP KVM Switch, DisplayPort | Tripp Lite
F1D9017b06 - DisplayPort to DVI (Converter) KVM Cable, with USB and Audio - 6ft
Dual Head 4K DisplayPort USB 3.0 KVM Switch Hub Two Monitors 2-Port