Installing a Hard Drive
ÄCAUTION: For SATA hard drives use the SATA or legacy power connector. Do not plug in both.
6.Connect the opposite end of the SATA data cable to the system board as shown in the following illustration. Because system boards vary, your system board may contain up to two vertical SATA connectors 1 or up to two horizontal SATA connectors 2. Horizontal SATA connectors require a data cable with a 90 degree angled header.
SATA Hard Drive Installation Guide |