"The USB 2.0 Hard Drive Enclosure for 3.5in Hard Drives by Cables To Go offers everything you could want from a hard drive enclosure - speed, ease of use, and flexibility. Back up files, store large file archives, or save your MP3s and digital images on a hard drive to take anywhere you like. With its tool-less design you can now add an extra hard drive to your system without ever having to open your computer case. Simply remove the top thumb screws, insert your drive, replace the cover, and begin using! Perfect for putting old hard drives to good use, the USB 2.0 Drive Enclosure helps you make the most of your hardware investments. USB 2.0 connectivity makes installation fully plug-and-play while supporting data transfer speeds of 480 Mbps, which is more than 40X faster than USB 1.1. The USB 2.0 Drive Enclosure is also fully backwards-compatible with USB 1.1, providing you added flexibility. Constructed from high quality aluminum, the enclosure works as a heat sink to keep your drive cool. Features: Tool-less drive installation makes adding an additional drive to your system hassle-free. Works with all USB enabled computer systems including Windows 98/Me/2000/XP, Mac OS 9.2/X, and Linux. USB 2.0 connectivity providing 480Mbps of throughput so you can transfer files at blazing speeds. Fully backwards compatible to USB 1.1 for greater flexibility. Plug–and-play compatible and hot-swappable for quick connect/disconnect. Aluminum construction provides excellent heat dissipation. Supports Ultra ATA66/100/133 drives up to 400GB. Includes drive enclosure, power adapter, and USB A/B cable. Stylish brushed aluminum finish complements today's more modern systems. LEDs for power and drive activity. Convenient power switch to turn off the device when not in use."