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 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 or SSD, M2 SSD Removable Media : Optional Expansion Bays : One 3.5" HDD; One 3.5" (2.5") HDD Expansion Slots : 1 M.2 2230; 1 M.2 2230/2280; 1 PCIe 3 x16; 2 PCIe 3 x1; One 4-in-1 media card reader (1 M.2 2230 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 Power : 180 W or 310W Dimensions : 17 x 27.4 x 33.8 cm Weight : 5,47 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 Q370 Chipset Processors: Intel 8th generation Core i3-i5-i7, Intel Pentium Gold Memory Support: Four (4) DIMM slots , DDR4 Up to 64 GB 2666 MHz Hard Drive : Up to 2 TB or SSD (optional) SATA or M.2 Removable Media : Optional Expansion Bays : 1 internal 3.5" HDD, 2 internal 2.5" HDD Expansion Slots : 1 FH PCIe x16, 1 FH PCIe x16 (wired x4), 2 FH PCIe x1, 1 M.2 2280, 1 M.2 2230 Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel I219-V Ethernet LAN 10/100/1000 I/O Ports : 10 External USB : 5 x 3.1 Gen 1 (1 Type-A front, 4 Type-A rear), 1 USB Type-C x 3.1 Gen 2 (front), and 4 x 2.0 (2 Type-A front - 1 front with PowerShare, 2 Type A rear - 2 SmartPower On), 1 USB Type-C x 3.1 Gen 2 (front), 1 RJ - 45, 2 Displayport Input Devices : Standard Keyboard, Mouse Power : 260 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Chipset Processors: Intel 8th generation Core i3-i5-i7, Intel Pentium Gold Memory Support: Four (4) DIMM slots , DDR4 Up to 64 GB 2666 MHz Hard Drive : Up to 2 TB or SSD (optional) SATA or M.2 Removable Media : Optional Expansion Bays : 1 internal 3.5" HDD, 2 internal 2.5" HDD Expansion Slots : 1 FH PCIe x16, 1 FH PCIe x16 (wired x4), 2 FH PCIe x1, 1 M.2 2280, 1 M.2 2230 Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel I219-V Ethernet LAN 10/100/1000 I/O Ports : 10 External USB : 5 x 3.1 Gen 1 (1 Type-A front, 4 Type-A rear), 1 USB Type-C x 3.1 Gen 2 (front), and 4 x 2.0 (2 Type-A front - 1 front with PowerShare, 2 Type A rear - 2 SmartPower On), 1 USB Type-C x 3.1 Gen 2 (front), 1 RJ - 45, 2 Displayport Input Devices : Standard Keyboard, Mouse Power : 260 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 kg