LaCie 2big Quadra. Hard drive capacity: 4000 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: Serial ATA II. Colour of product: Silver. RAID levels: 0, 1. Weight: 2.7 kg, Width: 91 mm, Depth: 200 mm. Data transfer rate: 3 Gbit/s, Disks included quantity: 2 pcs, Minimum hard disk space: 600 MB