How To Add A Second Hard Drive To A Pc ((hot)) Jun 2026

: Find a SATA power connector coming from your power supply and plug it into the wider port on the back of the drive.

Pro Tip: If you don’t have a spare SATA data cable, you’ll need to buy one. They are very inexpensive. The power cable, however, should already be dangling inside your case waiting to be used. how to add a second hard drive to a pc

Turn on your PC. You might expect the new drive to pop up immediately in your File Explorer, but it won’t. Windows detects the hardware, but it doesn’t know how to use it yet. You have to "initialize" it. : Find a SATA power connector coming from

You generally have two options for internal storage, and choosing the right one is critical: The power cable, however, should already be dangling

Double-check that your cables are seated firmly and aren't touching any spinning fans. Put the side panel back on the case and screw it tight. Plug your power cord back in.