IBM System x3530 M4

2.5-inch hard disk drive cable connection
4-drive-capable model:
The following illustrations show the cabling information for the model of
4x2.5-inch hot-swap drive bays:
The following illustration shows the cabling information for the configuration cable
in the server:
The following illustration shows the cabling information for the power cable in the
server:
The redundant power model:
280 System x3530 M4 Type 7160: Installation and Service Guide