Operating System: Windows 10 Home & Pro MAR, Windows 11 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size: 15.6" Display Max Resolution: 1920 x 1080 Chipset: Integrated Processors: Intel Core i3, i5, i7 7th & 8th Gen Ram Memory: max 32 GB, 2 Memory slot(s) SO DIMM (DDR4, 2400 MHz) Hard Disk Drive: SSD M.2 or SSD Graphics:  Intel HD Graphics Network Adapter: 1 Gigabit Ethernet WiFi: Yes Web Camera: Optional Optical Disc Drive: N/A USB: Three (3) USB 3.1 Ports: VGA, DisplayPort over Type-C, HDMI, RJ-45, Audio I/O Power Supply Adapter: Based on configuration Dimensions: 20.6 x 250.6 x 376 mm Weight: From 1.88 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 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 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 Q87 Processors: Intel Core i3,i5,i7 4th Gen, Intel Pentium, Intel Celeron Memory Support: Two (2) SODIMM slots , Up to 16 GB DDR3 ,up to 1600 MHz Hard Drive: SATA , 7200 rpm Removable Media: N/A Expansion Bays: Internal: One (1) 2.5-inch, One (1) M.2 PCIe x4 Expansion Slots: One (1) M.2 PCIe x4-2230 (for WLAN), One (1) M.2 PCIe x4 2280 (for storage) Graphics: Intel HD Graphics Audio: HD audio with Realtek ALC221 codec (all ports are stereo) Communications: Gigabit Ethernet I/O Ports: Front: Two (2) USB 3.0(one Fast Charging Port), Audio I/O Rear: Four (4) USB 3.0, VGA, DP, RJ-45, Audio Out Input Devices: Standard Keyboard, Mouse (USB) Power: 65W Dimensions: 17.7 x 17.5 x 3.4 cm Weight: 1.3 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 : Intel H61 Processors : Intel Core i3,i5 2nd & Intel Core i3,i5,i7 3rd Gen. Intel Pentium, Intel Celeron Memory Support : Two (2) DIMM slots , Up to 16GB DDR3 1600MHz Hard Drive : SATA 3.0Gb/s 7200 rpm Removable Media : DVD-ROM/DVD Recordable Expansion Bays : External: One (1) 5.25-inch, One (1) 1.5-inch Internal: One (1) 3.5-inch Expansion Slots : Two (2) FH PCI-E x1, One (1) PCI x16 Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC662 codec Communications : Realtek RTL8111E GbE Network Connection I/O Ports : Front: Two (2) USB 2.0, Audio I/O, Rear: Four (4) USB 2.0, VGA, DVI, RJ-45, Audio I/O Power : 180W Dimensions : 38.2 x 33.6 x 10.1 cm Weight : 6 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