Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H61 Express Chipset Processors: Intel 2nd & 3rd generation Core i3 Memory Support: Up to 16GB 1600 MHz DDR3 (SODIMM) Display: 20" Wide LED 16:9 (1600x900) Hard Drive : HDD or SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC269Q Communications : One gigabit ethernet port, Realtek RTL8111E-VB I/O Ports : Side: (2) USB 2.0, Microphone, Headphone, Rear: (4) USB 2.0, Display Port, (RJ-45 Power : 150 W Dimensions : 506.8mm x 71.5mm x 411mm Weight : 6.835~7.055 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel H110 Processors : Intel 6th generation Dual Core i7, i5, i3, Intel Pentium, Intel Celeron Memory Support : 2 UDIMM slots; Non-ECC 1600MHz DDR3L, up to 16GB Hard Drive : HDD Removable Media : N/A Expansion Bays : Two (2) 2.5-inch drive, One (1) 3.5-inch drive, One (1) 5.25 inch optical-drive bays Expansion Slots : One (1) PCIe x16, Two (2) PCIe x1, M2 Slot Graphics : Intel HD Graphics Audio : Integrated 5.1 channel High Definition Communications : Ethernet 10/100/1000 Mbps I/O Ports : Front: Two (2) USB 3.0, Rear: Four (4) USB 2.0, headset, RJ-45, HDMI, VGA, Memory-card reader Power : 240 W Dimensions : 380 x 175 x 436.3 mm Weight : Starting at 8.5 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H110 Express Processors: Intel Core i3, i5, i7 6th Gen, Intel Pentium G Memory Support: Two (2) DIMM slots, Up to 32 GB DDR4 SDRAM 2133 Hard Drive: SATA HDD or SSD Removable Media: N/A Expansion Bays: External: One (1) 9.5mm, Internal: One (1) 2.5 inch, One (1) 3.5 inch Expansion Slots: One (1) PCI Express 3.0 x 16 (LP), Two (2) PCI Express 2.0 x 1 (LP) Graphics: Intel HD Graphics Audio: Integrated High Definition Audio Communications: Realtek RTL8111GN I/O Ports: Front- Two USB 3.0, microphone, headphone, Rear ports : Two USB 3.0, two USB 2.0, serial, ethernet, one VGA, one DisplayPort, two PS/2 ports Power : 80 PLUS 85% 210 W PSU Dimensions : 88 x 357 x 338 mm Weight : 9 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H110 Processors: Intel Core i3, i5, i7 6th & 7th Gen Memory Support: Two (2) SO DIMM slots DDR4 Hard Drive: Sata HDD SSD M2 Removable Media: optional Expansion Bays: External: One (1) 5.25-inch, Internal: One (1) 2.5-inch Expansion Slots: N/A Graphics: Intel HD Graphics Audio: Realtek ALC671 Communications: 10/100/1,000 MBit/s Realtek RTL8111GN I/O Ports: Audio: line-out, microphone, headphone, DisplayPort, DVI-D, Front: Two (2) USB 3.0, Rear: Two (2) USB 2.0,Two (2) USB 3.0 Power: 65W Dimensions: 185 x 190 x 54 mm Weight: 1.6 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H110 Express Processors: Intel Core i3, i5, i7 6th Gen, Intel Pentium G Memory Support: Two (2) DIMM slots, Up to 32 GB DDR4 SDRAM 2133 Hard Drive: SATA HDD or SSD Removable Media: N/A Expansion Bays: External: One (1) 9.5mm, Internal: One (1) 2.5 inch, One (1) 3.5 inch Expansion Slots: One (1) PCI Express 3.0 x 16 (LP), Two (2) PCI Express 2.0 x 1 (LP) Graphics: Intel HD Graphics Audio: Integrated High Definition Audio Communications: Realtek RTL8111GN I/O Ports: Front- Two USB 3.0, microphone, headphone, Rear ports : Two USB 3.0, two USB 2.0, serial, ethernet, one VGA, one DisplayPort, two PS/2 ports Power : 80 PLUS 85% 210 W PSU Dimensions : 88 x 357 x 338 mm Weight : 9 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q150 Processors: Intel 6th Generation Core i3,i5,i7, Intel Pentium Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 ,up to 2133 MHz Hard Drive: SATA , M.2 PCIe Removable Media: N/A Expansion Bays: Internal: One (1) 2.5-inch Expansion Slots: One (1) M.2 PCIe x1 , One (1) M.2 PCIe x4 Graphics: Intel HD Graphics Audio: HD audio with Realtek ALC221 codec Communications: Realtek RTL8151GH-CG GbE Network Connection I/O Ports: Front: Three (3) USB 3.0 (one Fast Charging Port,one Type-C), Audio I/O Rear: Four (4) USB 3.0, VGA, DP, RJ-45 Power: 65W or 90W Dimensions: 17.7 cm x 17.5 cm x 3.4 cm Weight: 1.3 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q85 Processors : Intel 4th Gen Core i3,i5,i7, Intel Pentium, Intel Celeron 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 Input Devices : Standard Keyboard (USB) Power : 240 W Dimensions : 38.05 cm x 33.7 cm x 10 cm Weight : 7.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q85 Express Processors : Intel 4th Gen Core i3,i5,i7, Intel Pentium, Intel Celeron Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 SDRAM , 1600MHz Hard Drive : Up to 1TB 7200rpm Removable Media : DVD-ROM/ DVD-ReWritable (slim) Expansion Bays : External: One (1) 5.25-inch, One (1) 3.5-inch, Internal: Two (2) 3.5-inch, One (1) 2.5-inch Expansion Slots : One (1) PCI Express x16, Three (3) PCI Express x1 Graphics : Intel HD Graphics Audio : Realtek ALC221 codec Communications : Intel I217LM GbE Network Connection I/O Ports : Front: 2 USB 3.0, 2 USB 2.0, Audio I/O, Rear: 2 USB 3.0, 4 USB 2.0, VGA, DP, RJ-45, Audio I/O,PS/2 Input Devices : Standard Keyboard (USB or PS/2) Power : 320 W Dimensions : 44.2 cm x 39.9 cm x 17 cm Weight : 9.3 kg