350W proprietary Slientek power supply, 12cm blue LED ball-bearing fan with smart Auto/Manual optional fan speed controller, cool&quiet. Brilliant look&feel design. Screwless & Easy Installation patent (special drive rails and clip devices). Smart see-through side panel with Quick-released handle. Superior expandability: 12 drive bays and 7 slots. Mfr. Warranty: 3 YEARS Availability: Usually ships the same business day 9197720R02 Copyright © 2005 All Rights Reserved. A1 Computerdepot Inc. http://www.a1computerdepot.com