A dependable 3-year warranty provides peace of mind Auto-scan function automatically selects computer sequentially Hotkey functions allow easy computer access Unique cables for secured connection OSD security option allows certain PCs to be password protected from unauthorized use Plug-and-play system configuration Keyboard and mouse console is USB interface Identifies and selects computers by the names assigned This 4-port USB+PS/2 KVM Switch lets you control multiple PS/2 or USB-controlled computers from a single console (USB keyboard, USB mouse, monitor). The versatile USB PS/2 KVM switch features convenient pushbutton and hot-key control for quick, reliable switching between connected computers. A convenient and straight-forward control solution, the USB PS/2 KVM switch supports both manual and auto-scan modes and simple configuration through the built-in OSD. Designed to ensure maximum space-efficiency, the USB+PS/2 KVM switch features a slim 1U design that fits neatly into a server equipment rack/cabinet and offers rear cable connections to eliminate cable tangles. If you'd like to mount this KVM switch to your server rack, StarTech.com offers a 1U Rackmount Bracket (sold separately) that turns this KVM into a rackmountable KVM. The SV431DUSB only works with specific 2-in-1 VGA and USB cables (sold separately), a list of StarTech.com approved cables are below: 6 ft Ultra Thin USB VGA 2-in-1 KVM Cable 6 ft Ultra Thin USB VGA 2-in-1 KVM Cable 10 ft Ultra Thin USB VGA 2-in-1 KVM Cable 15 ft Ultra Thin USB VGA 2-in-1 KVM Cable This product is TAA compliant and is backed by a Startech.com 3 year warranty with lifetine technical support. Datacenter computer control Co-location/ISP computer control Manufacturing line computer control PC test/burn-in computer control Server farms Optional rack-mountable bracket Unparalleled reliability Ultra-compatible Powerful features that increase usability Specifications Warranty Information Warranty 3 Years Connector(s) 2 - Console Interface(s) USB Type-A (4 pin) USB 2.0 1 - Console Interface(s) VGA (15 pin, High Density D-Sub) 4 - Host Connectors VGA (15 pin, High Density D-Sub) Environmental Operating Temperature 5°C to 40°C (41°F to 104°F) Storage Temperature -20°C to 60°C (-4°F to 140°F) Humidity 0~80% RH Hardware Audio No KVM Ports 4 PC Interface USB and PS/2 PC Video Type VGA Number of Monitors Supported 1 Rack-Mountable Optional Cables Included No Daisy-Chain No Packaging Information Package Length 16.1 in [41 cm] Package Width 3.5 in [88 mm] Package Height 8.3 in [21.2 cm] Shipping (Package) Weight 3.8 lb [1.7 kg] Performance On-Screen Display Yes DVI Support No IP Control No Hot-Key Selection Yes Maximum Analog Resolutions 1920 x 1440 Supported Resolutions 1920 x 1440, 1920 x 1200, 1920 x 1080, 1680 x 1050, 1366 x 768, 1280 x 720, 854 x 480 Aspect Ratio 16:9 Wide Screen Supported Yes Maximum Number of Users 1 Port Selection Support Push Button and Hotkeys MTBF 143000 hours Physical Characteristics Color Black Material Steel Product Length 8.7 in [22 cm] Product Width 5.1 in [13 cm] Product Height 1.7 in [4.3 cm] Weight of Product 3.3 lb [1.5 kg] Power Power Source AC Adapter Included Input Voltage 100 - 240 AC Input Current 0.2A Output Voltage 9V DC Output Current 0.6A Center Tip Polarity Positive Plug Type M Power Consumption (In Watts) 5.4 Software OS Compatibility OS independent; No software or drivers required What's in the Box 1 - Included in Package StarView 4 Port KVM Switch Power Adapter User Manual 4 - Included in Package foot pads