A quick format doesn’t delete the data but instead erases only the pointers to the files.

Yes, but don’t use this method if you want the data to be permanently erased. When the prompt asks you how you wish to update, select Search Automatically For Updated Driver Software. Next, click on the Disk drives drop-down and right-click on your driver. Then, follow the Windows Disk Management method below since the disk won’t be visible in Windows Explorer. To update or reinstall your device driver, press Win + X, and select the Device Manager.

Unplug the drive you want to format and connect it to a different SATA port on your motherboard which isn’t part of the RAID controller.Go into the RAID controller’s BIOS (look for a message during PC boot up) and look for an option to format the drive(s) or reconfigure the RAID as individual disks (this will erase them all).Use a software utility which came with your RAID controller or motherboard.Before you use any of them, make sure you back up any files you want to keep. If you have two or more disks configured as a RAID, there are various ways to format these drives. It will treat the USB as another drive so to avoid inadvertently wiping that as well, remove it after you’ve booted into DBAN. Your PC should automatically boot the DBAN software, which will guide you through the process of erasing your hard drive, with options for different levels of data-wiping.

Disk wiping software