The server spec. is below.
|CPU||Intel Core i7-3820 4.2Ghz|
|MB||Asus P9X79 Pro|
|RAM||DDR3 24GB 1333/1600Mhz 4G *6
(Mixed different model and brand.)
|SSD||Intel 520 Series 180GB (For OS)|
|HDD||WD 2TB *3
(Mixed different model, Linux Software RAID 5)
|GPU||Zotac GTX 1030 2G GDDR5|
|PSU||Antec NeoEco2 550W|
OS, operating system is powered by CentOS 7. All those parts are from old PC except GPU. Moreover, the server is not only used for hosting this website. It included Samba for local sharing, cloud storage via network and Steam CS 1.6 game server.