Create a Debian Linux NAS box with RAID-1 for home from scratch using cheap parts and open source software.
Don't spend hundreds of dollars on a basic NAS when you can build a much more powerful one yourself with cheap parts and learn new things at the same!
NB: make sure that your PC supports Intel Raid in the BIOS. The HP model in this video is 7WK35PA.
00:00 Why create your own NAS box?
02:54 UEFI boot process under Linux
08:14 Hardware requirements
12:15 Prepare EUFI and Intel RST RAID
15:58 Linux Debian installation
23:52 SSH, fix IP address and check RAID status
30:26 Installation of Webmin
44:43 Installation of Samba for file sharing