Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q67 Processors : Intel Core G Series Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 1333 MHz SDRAM  Hard Drive : Up to 1 TB 7200 rpm Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External: One (1) 5.25-inch, One (1) 3.5-inch Internal: One (1) 3.5-inch Expansion Slots : One (1) LP PCI, Two (2) LP PCI-E x16 (1 wired x4), One (1) LP PCI-E x1 Graphics : Intel HD Graphics 2000/3000 (integrated) Audio : Realtek ALC261 codec Communications : Intel 82579LM integrated GbE Network Connection I/O Ports : Front: Four (4) USB 2.0, Audio I/O, Rear: Six (6) USB 2.0, Serial, VGA, DP,RJ-45, Two (2) PS/2, Audio I/O Input Devices : Standard Keyboard (PS/2 or USB) Power : 240 W Dimensions : 37.9 cm 33.8 cm x 10.0 cm Weight : 7.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q67 Processors : Intel Core i3 2nd Gen Memory Support : Four (4) UDIMM slots , Up to 16 GB DDR3 1333 MHz SDRAM  Hard Drive : HDD Removable Media : Optional Expansion Bays : External: One (1) 5.25-inch, One (1) 3.5-inch Internal: One (1) 3.5-inch Expansion Slots : One (1) LP PCI, Two (2) LP PCIe x16, One (1) LP PCIe x1 Graphics : Intel HD Graphics 2000/3000 (integrated) Audio : Realtek ALC261 codec Communications : Gigabit Ethernet I/O Ports : 10 USB 2.0, 1 serial (optional), 1 parallel (optional), 1 eSATA (optional), 1 DisplayPort, 1 VGA video, 1 PS/2 keyboard, 1 PS/2 mouse, 1 RJ-45, 1 microphone/headphone jack, 1 line in, 1 line out, DVI output available via optional DisplayPort to DVI adapter Power : 240 W Dimensions : 10 cm 33.8 cm x 37.9 cm Weight : 7.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q87 Processors : Intel 4th Gen Core i3,i5,i7, Intel Celeron, Intel Pentium Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 SDRAM  Hard Drive : Up to 2TB 7200rpm or SSD Removable Media : DVD-ROM/ DVD-ReWritable Slim Expansion Bays : External: One (1) 5.25-inch slim, One (1) 3.5-inch Internal: One (1) 3.5-inch, One (1) 2.5-inch Expansion Slots : Two (2) PCI Express x16, Two (2) PCI Express x1 Graphics : Intel HD Graphics Audio : Realtek ALC221 codec Communications : Intel I217LM Gigabit Network Connection I/O Ports : Front: Two (2) USB 3.0, Two (2) USB 2.0, Audio I/0, Rear: Two (2) USB 3.0, Four (4) USB 2.0, VGA, DP, RJ-45, Serial, PS/2, Audio I/O Power : 240 W Dimensions : 37.9 cm x 33.8 cm x 10 cm Weight : 7.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q85 Processors : Intel 4th Gen Core i5 Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 SDRAM, 1600MHz  Hard Drive : Up to 1TB 7200 rpm Removable Media : DVD-ROM/ DVD-ReWritable (slim) Expansion Bays : External: One (1) 3.5-inch Internal: One (1) 3.5-inch, One (1) 2.5-inch Expansion Slots : One (1) LP PCI Express x16s, Three (3) LP PCI Express x1 Graphics : Intel HD Graphics Audio : Realtek ALC221 codec Communications : Intel I217LM GbE Network Connection I/O Ports : Front: Two (2) USB 3.0, Two (2) USB 2.0, Audio I/O, Rear: Two (2) USB 3.0, Two (2) USB 2.0, VGA, DP, Audio I/O, RS-232 serial port Input Devices : Standard Keyboard (USB) Power : 240 W Dimensions : 38.05 cm x 33.7 cm x 10 cm Weight : 7.6 kg