The lacie 5tb d2 quadra v3 hard drive is a versatile storage unit designed for instantly storing sharing and backing up your images from either a pc or mac with the new usb 30 5gbs interface and up to 2tb the d2 quadra is an ideal tool for creative professionals who need both fast speeds and large storage capacityfeaturing usb 30 and 2 firewire 800 interfaces for daisy chaining it is still fully compatible with esata 3gbs usb 20 and firewire 400