The LaCie 24TB 4Big Quadra USB 3.0 External Hard Drive is built for the professionals who require fast transfer speeds and ultimate security. The 4Big Quadra is an external storage device with RAID 5, USB 3.0 connectivity and also features an efficient and ultra-quiet cooling system to ensure maximum reliability. The hardware RAID controller ensures sustained performance and prevents dropped frames. More than twice as fast as FireWire 800 (up to six times the speed of USB 2.0), the LaCie 4big Quadra will transform your workflow. LaCie 4big Quadra is the perfect match for any Mac or PC. The LaCie 4big Quadra goes the extra mile to protect your data. It can be configured in RAID 5 format so your data is kept safe even if a drive fails, without compromising performance.