Operating System : Windows 10 Home & Pro MAR Chipset : Intel B360 Processors : Intel 8th Gen Core i3, i5, i7, Intel Pentium G, Intel Celeron G Memory Support : Two (2) DIMM slots , Up to 32 GB DDR4-2666 SDRAM Hard Drive : SATA 7200 rpm or SSD, M2 SSD Removable Media : Optional DVD Expansion Bays : 1 slim ODD, One 3.5" HDD convertible to two 2.5" HDD Expansion Slots : 1 M.2 2230, 1 M.2 2230/2280, 1 PCIe 3 x1, 1 PCIe 3 x16, One 4-in-1 media card reader (1 M.2 slot for WLAN and 1 M.2 2230/2280 slot for storage.) Graphics : Intel HD Graphics 630 Audio : Conexant CX20632 codec Communications : 1 Gigabit I/O Ports : Front: 1 headset connector, 2 USB 3.1 Gen 1, Rear: 1 audio-in, 1 audio-out, 1 DisplayPort 1.2, 1 power connector, 1 RJ-45; 1 VGA, 2 USB 3.1 Gen 1, 4 USB 2.0, (optional Serial) Power : 180 W Dimensions : 27 x 29.6 x 9.5 cm Weight : 4.6 kg

Operating System : Windows 10 Home & Pro MAR Chipset : Intel Q370 Processors : Intel 8th Gen Core i3, i5, i7, Intel Pentium G, Intel Celeron G Memory Support : Four (4) DIMM slots , Up to 64 GB DDR4 Hard Drive : SATA 7200 rpm or SSD, PCIe NMVe TLC SSD Removable Media : Optional Slim DVD-ROM/RW or Blu-Ray Expansion Bays : Internal: One (1) 2.5-inch, One (1) 3.5-inch, External: One (1) slim ODD, One (1) SD Card Reader Expansion Slots : One (1) Turbo Drive M.2 PCIe x1-2230, One (1) Turbo Drive M.2 PCIe x4-2280, One (1) PCI Express x16; One (1) PCI Express x4 Graphics : Intel HD Graphics Audio : Conexant CX20632 codec Communications : Intel I219-LM Gigabit Network Connection I/O Ports : Front: Two (2) USB 2.0, Two (2) USB 3.1, One (1) USB Type C 3.1Audio I/O,  Rear: Four (4) USB 3.1, Two (2) USB 2.0 Audio I/O, Two (2) DP, RJ-45 Input Devices : Standard Keyboard (USB), Standard Mouse (USB) Power : 180 W active PFC Dimensions : 93.98 x 269.24 x 297.18 mm Weight : 4.54 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q270 Processors: Intel 6th & 7th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , DDR4 Up to 64 GB 2400 MHz Hard Drive : Up to 2 TB or SSD (optional) SATA or M.2 Removable Media : DVD-ROM/ DVD-ReWritable slim, Card reader (optional) Expansion Bays : External: One (1) slim, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x16 HH, One (1) PCIe x4 HH, One (1) M.2 2280 Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel i219-LM E GbE Network Connection I/O Ports : 10 External USB - 6 x USB 3.1 Gen 1 (1 USB Type-C for data only and 1 Type-A front/4 Type-A rear) and 4 x USB 2.0 (2 Type-A front/2 Type-A rear - 1 front with PowerShare); 4 Internal USB 2.0; 1 RJ-45; 1 Serial; 2 Display Port 1.2; 1 HDMI 1.4; Power : 180 W Dimensions : 29.0 x 9.26 x 29.2 cm Weight : 5.26 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Processors: Intel Core i3, i5 9th Gen Memory Support: 16 GB (1 module(s) 16 GB) DDR4, unbuffered, non-ECC, 2,666 MT/s, UDIMM Hard Drive: HDD, SSD or SSD M2 Removable Media: Optional Expansion Bays: 1 x 2.5-inch bays, 1 x 3.5-inch internal bays, 1 x 5.25-inch external bays Expansion Slots: PCI-Express 3.0 x4 (mech. x16) , PCI-Express 3.0 x16 Graphics: Intel HD Graphics 630 Audio: Realtek ALC671 Communications: Gigabit Ethernet I/O Ports: 6 x USB 2.0, 4 x USB 3.1 Gen1, line-in, line-out, microphone, headphone, DisplayPort, DVI-D, RJ-45, Power: 210W or 280W Dimensions: 313 x 286 x 89 mm Weight: 5 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q170 Processors : Intel 6th generation Core i7, i5, i3, Pentium G Memory Support : Four (4) DIMM slots , Up to 64 GB DDR4 2133 MHz SDRAM  Hard Drive : SATA III HDD or SSD, M.2 SSD Removable Media : optional Expansion Bays : One (1) 5.25-inch for slim optical disc drive only, One (1) internal 3.5-inch, One (1) external 3.5-inch Expansion Slots : One (1) LP PCI-e 3.0 x16, One (1) LP PCI-e 2.0 x 4 (mech. x16), Two (2) LP PCI-e x 1 Graphics : Intel HD Graphics Audio : Realtek ALC671 Communications : 10/100/1,000 MBit/s Intel I219LM I/O Ports : Audio I/O, microphone, headphone, 2 x DisplayPort, DVI-D, RJ-45, front 2 x USB 2.0, 2 x USB 3.0, rear 2 x USB 2.0, 4 x USB 3.0, 2 x USB 2.0 Power : 280 watts Dimensions : 332 x 338 x 89 mm Weight : 8 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : AMD A78 Processors : AMD PRO A- Series Memory Support : Four (4)DIMM slots , Up to 32 GB DDR3L 1600MHz Hard Drive : SATA Hard Drive 7200 rpm Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External: One (1) slim ODD, Internal: Two (2) 3.5-inch, One (1) 2.5-inch Expansion Slots : One (1) PCIe x16 Low Profile, Two (2) PCIe Graphics : AMD Radeon HD Audio : Realtek ALC221 Communications : Gigabit Ethernet I/O Ports : Front: Two (2) USB 3.0, Two (2) USB 2.0, Audio I/O, Rear: Four (4) USB 2.0, Two (2) USB 2.0, VGA, RJ-45, Two (2) Display Port, Serial, Parallel,Two (2) PS/2, Audio I/O Power : 200W Dimensions : 38 x 33.8 x 10 cm Weight : 6.6 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q170 Processors: Intel 6th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , Up to 32 GB DDR4 Hard Drive : Up to 2 TB SATA, 7200rpm or SSD (optional) Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External: One (1) 5.25-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x 4 HH, One (1) PCIe x 16 HH, One (1) M.2 3388 Graphics : Integrated Intel HD Graphics 530 Audio : Integrated Audio Communications : Integrated Intel i219-LM GbE Network Connection I/O Ports : Front: Two (2) USB 2.0, Two (2) USB 3.0, Cardreader (optional), Audio I/O Rear: Four(4) USB 3.0, Two (2) USB 2.0,Two (2) DP, HDMI, VGA(optional), Serial, RJ-45, Audio I/O, PS/2 Input Devices : Standard Keyboard, Mouse (USB or PS/2) Power : 240 W Dimensions : 29.2 x 29 x 9.26 cm Weight : 4.48 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q270 Processors: Intel 6th & 7th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , DDR4 Up to 64 GB 2400 MHz Hard Drive : Up to 2 TB or SSD (optional) SATA or M.2 Removable Media : DVD-ROM/ DVD-ReWritable slim, Card reader (optional) Expansion Bays : External: One (1) slim, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x16 HH, One (1) PCIe x4 HH, One (1) M.2 2280 Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel i219-LM E GbE Network Connection I/O Ports : 10 External USB - 6 x USB 3.1 Gen 1 (1 USB Type-C for data only and 1 Type-A front/4 Type-A rear) and 4 x USB 2.0 (2 Type-A front/2 Type-A rear - 1 front with PowerShare); 4 Internal USB 2.0; 1 RJ-45; 1 Serial; 2 Display Port 1.2; 1 HDMI 1.4; Power : 180 W Dimensions : 29.0 x 9.26 x 29.2 cm Weight : 5.26 kg