Control up to 4 VGA and USB computers from a single keyboard, mouse and monitorThe SV431DUSBU 4 Port 1U Rack Mountable USB KVM Switch with OSD lets you control multiple USB based computers from a single console (USB keyboard, USB mouse, monitor).Convenient push-button and hot-key controls provide quick, reliable switching between connected computers while manual and auto-scan switching modes and an On Screen Display (OSD) offer additional control options.Designed to ensure maximum space efficiency, the USB KVM switch features a slim 1U design that fits neatly into a server equipment rack/cabinet (with optional mounting bracket SV431RACK) and offers rear cable connections to eliminate cable tangles and minimize workspace disruption.Backed by a StarTech.com 3-year warranty and free lifetime technical support.The StarTech.com Advantage- Extracting the keyboard strokes from the USB connection this KVM enables hot key support for wireless keyboard and mouse combo kits that use a single USB receiver- On Screen Display adds the ability to rename connected computers for easy identification and provides per-port password security- Absolutely no software or drivers required providing a completely OS independent KVM solution Specification: Technical details Product colour Black Number of users 1 user(s) LED indicators Yes IP control No Audio support Yes Sustainability certificates RoHS Video Maximum resolution 1920 x 1200 pixels Maximum analog resolution 1920 x 1200 pixels Ports & interfaces Console USB ports quantity 4 Console ports 3.5mm headphone, USB A, VGA (D-Sub) Number of microphone inputs 4 Number of computers controlled 4 Keyboard port type USB Mouse port type USB Video port type VGA Audio connections Yes Headphone outputs 4 DC-in jack Yes Performance Daisy chain No Maximum resolution 1920 x 1200 pixels Number of users 1 user(s) Maximum analog resolution 1920 x 1200 pixels Design Product colour Black LED indicators Yes Certification CE, FCC Housing material Steel Display Built-in display No Power Input current 0.8 A Output current 1.5 A Power plug type Type M Compatible power plug types AU, EU, UK, US Output voltage 12 V AC input voltage 110-240 V External power adapter Yes Sustainability Sustainability certificates RoHS Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -20 - 60 °C Operating relative humidity (H-H) 0 - 90% Weight & dimensions Width 5.31" (135 mm) Depth 5.12" (130 mm) Height 2.36" (60 mm) Weight 2.73 lbs (1.24 kg) Package width 10" (255 mm) Package depth 13" (330 mm) Package height 1.1" (28 mm) Package weight 3.92 lbs (1.78 kg) Packaging data Package width 10" (255 mm) Package depth 13" (330 mm) Package height 1.1" (28 mm) Package weight 3.92 lbs (1.78 kg) Packaging content Manual Yes AC adapter included Yes Certificates Certification CE, FCC Logistics data Harmonized System (HS) code 85176200 Other features IP control No Audio support Yes