Acomdata HD320FE5-72 E5 320 GB FireWire400 External Hard Drive FireWire 400 external hard drive with 320 GB capacity for Mac and PC 8 MB cache buffer; 7,200 RPM spin speed for fast read/write; up to 400 Mbps transfer rate Engineered to dissipate heat efficiently without fan; stacks horizontally or vertically Includes stand, FireWire cable, AC adaptor and power cord, user's guide, and warranty registration card 1-year limited warranty