39M6803 is a 60mm hot-swap fan compatible with the IBM System x3650 server. To ensure proper server operation and cooling, if you remove a fan with the system running, you must install a replacement fan within 30 seconds or the system will shut down. International buyers ? please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying.