Specifications: OS: Windows 10 Home (digitally licensed) CPU: i5-2400S 2.50GHz Memory: 8GB (4GB x 2) HDD: 320GB GPU: ZOTAC GTX550Ti 1GB Motherboard: ESC H61H2-M5 Power Supply: Kuroutoshikou 500W 80PLUS Other: DVD-RW drive installed Operation confirmed. I have played browser games, games on Steam, Minecraft, etc. Also, various useful software has been set up. The USB 3.0 port on the top of the PC case is not wired, so it will not be recognized if you plug something in. Thank you.