LaCie 4big Quadra 12 TB eSATA/FireWire 800/Firewire 400/USB 2.0 RAID Hard Drive 301562U The security of RAID with speeds up to 230MB/s Huge capacity for backing up all your data Superior protection and speed for creative pros Four hot-swappable disks for non-stop data access Ultra quiet cooling system to fit to working environment Genie and Intego Backup Manager Pro incl. Mac: Time Machine Compatible