Kramer Electronics VS-4FW 4-Port FireWire Repeater / Hub Kramer VS-4FW 4-Port FireWire Repeater / Hub - 12V DC Power Supply - Mounting Bracket - One 6-pin to 6-pin Connector Cable - Kramer 7 Years Limited Warranty Cascading Operation - Multiple units can be cascaded to create a FireWire system with up to 63 ports Range - Doubles FireWire cable range from 4.5m (14.75ft) to 9m (29.5ft). Multiple units can be cascaded to extend the range to up to 72m (236ft) Hot Swapping - Supports plug and play Transfer Rates - 100, 200 and 400Mbps