3.5" USB 2.0/IEEE 1394 FireWire Aluminum Ext Hard Drive Case 3.5-inch USB 2.0/IEEE 1394 FireWire Aluminum External Hard Drive Case General Features: Aluminum external case USB 2.0 and IEEE 1394 interface (USB 1.1 compatible) Compatible with 3.5-inch IDE hard drive ATA-133 and ATA-6 compatible Supports large capacity drives of over 300 GB Plug and Play Hot Swappable LED indicator Connectors: Two (2) 6-pin IEEE 1394 FireWire ports