Amazon.com: G-Technology G-RAID Storage System 4TB High-Performance Dual External Hard Drive with USB 3.0, Firewire 400, Firewire 800 Interfaces and RAID 0 (0G02484) : Electronics
USB 2.0 VS Firewire 400 - YouTube
USB 3.0 vs USB 2.0 vs eSATA vs SATA vs IEEE 1394a (Firewire 400/S400/iLink) vs iSCSI