Dual output interface - USB2.0 and eSATA (external Serial ATA) allows you to transfer data up to 480Mbps or 3Gbps respectively Support up to 750G SATA hard disk drive Unique HDD cooler brings fresh air in and around the HDD for maximum cooling to protect your valuable asset Two layer (plastic with aluminum) structure upper and lower covers to absorb HDD and fan noise Carbon-glass filled frame to reinforce the strength of the whole enclosure Built-in silicone pad to absorb HDD noise Included USB cable eSATA cable and eSATA bracket to convert internal SATA to eSATA Stand included Very quiet fan operation - under 22 dBA Noise Level: 20 dbA with the blower on inside the enclosure Supports Windows 2000 / XP / ME / VISTA