[. . . ] [. . . ] - Qualified service personnel only - Do not make modifications to this power supply unit! Caution!Hazardous Silent Low Acoustic High Efficiency Performance 24 Pin Main Power Connector Head S-ATA HDD Connector Head 4 Pin Peripheral Connector Head If your system does not have a power supply installed, please skip to Part 2. - The devices inside, including power supply, hard disk, CD-ROM drive, motherboard, ventilator, etc, are not detached from the casing prior to transportation of the computer system, resulting in damage to the casing or computer-related devices. - Any loss/damage caused by failure to follow the installation process within the user manual. The following are not covered by the warranty: FDD Connector Head [. . . ] [. . . ]