Patent ID: 8737058

Claim:
A blade server, comprising: a casing, comprising a first end and a second end being opposite to each other; a plurality of blade modules, configured on the first end of the casing, being moved in or moved out from the first end of the casing, and each blade module comprising: a first tray; a main board module, configured on the first tray; and a plurality of hard disk modules, detachably disposed on the first tray, and electrically connected to the main board module, and each of the hard disk modules comprising: a transfer board, electrically connected to the main board module; a second tray, detachably disposed on the first tray; and at least one hard disk, disposed on the second tray, and electrically connected to the transfer board; and a function module, configured on the second end of the casing, being moved in or moved out from the second end of the casing.