SUNTEC USB 2.0 5.25" Hard Drive Enclosure - Silver (Retail Box) Part# SUN-525HDES Spec: USB 2.0 - Supports USB 2.0 transfer rates of 12Mbps and 480Mbps, USB 2.0/IDE compliant, supports ATA-7 PIO modes 0-4 & UDMA modes 0-5 of operation, supports Ultra ATA/133 & UDMA5, 40 times faster than USB 1.1