Glyph Tech. 1.5TB External HD with FireWire 400, 800, USB & eSATA 1.5TB storage capacity Sustain data rates of 70 MB/sec with eSATA FireWire 400 and FireWire 800 connectivity is hot pluggable Fast 7,200 RPM Serial ATA Seagate drive with 32MB cache Scratch-resistant black powder-coated aluminum chassis offers excellent heat transfer properties Fan-cooled enclosure is rackmountable Engineered for professional audio and video production. Stainless steel