Lacie 1 TB FireWire Bigger Disk Extreme (300874) Stores up to one terabyte (1,000,000,000,000 bytes) of data Equipped with the FireWire 800 and FireWire 400 interfaces Compatible with Mac and PC platforms Buffer: 4 x 8 MB Compatible with Windows 2000, XP; Mac OS 9.x, and OS 10.x