Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel H110 Processors : Intel 6th & 7th generation Core i7, i5, i3, Intel Pentium, Intel Celeron Memory Support : 2 UDIMM slots; Non-ECC dual-channel 1600MHz DDR3L SDRAM, supports up to 16GB Hard Drive : Up to 2TB SATA or Solid State Drive (optional) Removable Media : Optional Expansion Bays : Two (2) 2.5-inch drive or One (1) 3.5-inch drive Expansion Slots : One (1) PCIe x16, Two (2) PCIe x1 Graphics : Integrated Intel HD Graphics Audio : Integrated Audio Codec Communications : Integrated Gigabit Ethernet I/O Ports : Front: Two (2) USB 3.0, microphone, headphone, Rear: Four (4) USB 2.0, HDMI, VGA Input Devices : Dell USB Entry Keyboard, Dell USB Multimedia Pro Keyboard Dell USB Entry Optical Mouse, Dell Laser Mouse Power : Standard 240W PSU Active PFC Dimensions : 35 x 15.4 x 28.2 (cm) Weight : 7.4 kg