Gefen EXTDVI444DL 4x4 DVI Dual Link Matrix Switch Type: A/V Switcher Color: Black / Blue Specifications: Video Amplifier Bandwidth: 2 x 165 MHz Input Video Signal: 1.2 volts p-p Input DDC Signal: 5 volts p-p (TTL) Dual Link Maximum Video Range: 3840x2400 DVI Connector: DVI-I 29 pin female (digital only) Power Supply: 5V DC Power Consumption: 30 Watts (max) Rackmountable: 1U Rack Space Dimensions: 17.1W x 1.7H x 4.25D Parts: 2 years limited Labor: 2 years limited