Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel G41 chipset Processors : Intel Core 2 Duo/Core 2 Quad/Dual Core processor in an LGA775 socket Memory Support : Two (2) DIMM slots , Up to 8 GB DDR3, 1333MHz Hard Drive : SATA HDD or SSD Removable Media : DVD-ROM/DVD-RW Expansion Bays : N/A Expansion Slots : One (1) x PCI Express x16, One (1) x PCI Express x1, One (1) PCI Graphics : Intel Graphics Media Accelerator Audio : Realtek ALC889 HD Communications : Realtek RTL8111DL 10/100/1000Mb/s I/O Ports : 4 x USB 2.0, DVI-D, VGA, 2 x PS/2, RJ-45, Audio I/O Input Devices : Standard Keyboard, Mouse (USB) Power : N/A Dimensions : N/A Weight : N/A