4 Port StarView USB KVM Switch StarTech.com---s SV431USB is the reliable solution for server room and industrial computer environments. The SV431USB is a reliable computer management tool that allows you to control multiple computers from one console; minimizing downtime by making connected computers and input devices available as soon as they are attached. An all-metal, chassis provides SV431USB with a rugged and durable body that adds to the unit---s reliability and dependability. This reliability is cemented in the 30 series of StarView KVM switches with a dependable 3-year limited warranty. The SV431USB is a true cross platform USB KVM that ensures a smooth and reliable operating experience. This integrated KVM switch also functions as an USB hub allowing the selected computer to have access to up to 4 USB devices. The SV431USB works with any operating system that supports the USB human interface device specification. Features "Keep-alive" feature draws power from PC keyboard ports if power is lost. Switch will continue to operate during power outage even it it loses power, retaining mouse control. A dependable 3-year warranty provides peace of mind. Compatible with all notebook computers. Control 4 PCs, G3/G4 Macs or IMACS from one USB keyboard/mouse/monitor. Fast switch-buttons for each port provide quick access to any connected system. High 1920x1440 resolution capability supports the most demanding applications. Hot-plug to allow computers to be added or removed without worrying about having to reboot the other connected systems. Rugged, all-metal 1U chassis for use in harsh environments and space-saving cabinets. USB self-power operation. Specifications Color Black Connector Types 1 - 8 DIN Female 4 - USB A Female 4 - USB B Female 1 - High Density DB15 Female 4 - High Density DB15 Male Enclosure Type Steel Product Height 1.73 in [44 mm] KVM Audio No KVM Cascadable Yes KVM Dual No KVM DVI No KVM Interface USB KVM IP Control No Number of KVM Ports 4 KVM Rackmount Yes KVM TFT None Product Length 8.66 in [220 mm] Maximum Number of Computers 4 Maximum Video Resolutions 1920 x 1440 Maximum Number of Users 1 Power Adapter Maximum Amperage 2 Amperes Power Adapter Output Voltage 5 DC Volts Power Adapter Center Tip Polarity Positive Safety Standards Europe CE Safety Standards North America FCC U Height 1 Shipping (Package) Weight 2.96 lb [1.34 kg] Product Weight 31.77 oz [900 g] Product Width 5.12 in [130 mm] Hot Plug Capability Yes Auto Scan Intervals 3, 8, 15 and 30 seconds Cable Length (Max) VGA-100ft (30m) USB-15ft (5m) Optional Power Supply SVUSBPOWER (5V DC, 2 Amps, + Centre) NOTE In order to use the SV431USB with a USB keyboard that has additional USB ports, such as an Apple Macintosh keyboard, or to use the SV431USB with a USB hub, you must use the optional StarTech SVUSBPOWER power supply.