Operating System : Windows 10 Home & Pro. MAR, Windows 10 Home & Pro MAR Chipset : Intel B250 Processors : Intel 7th generation i3,i7 Memory Support : Up to 2 SODIMM slots., up to 32 GB DDR4 Hard Drive : ΗDD Up to 2 TB, SSD Up to 512GB Removable Media : Optional Expansion Bays : 1 (total) / 0 (free) x internal 2.5" x 1/8H Expansion Slots : 1 M.2 (22x30mm) / 1 M.2 (22x80/22x42) Graphics : Intel 610/630 Graphics Audio : N/A Communications : Realtek RTL8111H I/O Ports : 4 USB3.1 Gen 1 (2 front and 2 rear); 2 USB 2.0 (rear) 1 RJ-45; 1 DisplayPort; 1 HDMI 1.4, 1 UAJ, 1 line out Power : 65 W Dimensions : 18.2 x 3.6 x 17.8 cm Weight : 1.18 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q150 Processors : Intel 6th Gen Core i3,i5,i7, Intel Pentium, Intel Celeron Memory Support : Four (4)DIMM slots , Up to 64 GB DDR4 Hard Drive : SATA, 7200 rpm Removable Media : Optional Expansion Bays : External: One (1) 9.5 mm, Internal: Οne (1) 2.5-inch, Οne (1) 3.5-inch Expansion Slots : One (1) LP PCIe 3.0 x 16, One (1) LP PCIe 3.0, One (1)LP PCI x 16 Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC662 Communications : Intel I219-LM GbE Network Connection I/O Ports : Front: Two (2) USB 3.0, Audio I/O, Rear: Four (4) USB 3.0, Two (2) USB 2.0, Two (2) DP, VGA, Serial, RJ-45, Audio I/O Power : 210 W Dimensions : 35.7 x 33.8 x 8.8 cm Weight : 5.6 kg

Operating System : Windows 10 Home & Pro. MAR, Windows 10 Home & Pro MAR Chipset : Intel B250 Processors : Intel 7th generation i3,i7 Memory Support : Up to 2 SODIMM slots., up to 32 GB DDR4 Hard Drive : ΗDD Up to 2 TB, SSD Up to 512GB Removable Media : Optional Expansion Bays : 1 (total) / 0 (free) x internal 2.5" x 1/8H Expansion Slots : 1 M.2 (22x30mm) / 1 M.2 (22x80/22x42) Graphics : Intel 610/630 Graphics Audio : N/A Communications : Realtek RTL8111H I/O Ports : 4 USB3.1 Gen 1 (2 front and 2 rear); 2 USB 2.0 (rear) 1 RJ-45; 1 DisplayPort; 1 HDMI 1.4, 1 UAJ, 1 line out Power : 65 W Dimensions : 18.2 x 3.6 x 17.8 cm Weight : 1.18 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel B250 Chipset Processors : Intel Celeron, Intel Pentium, or 6/7th Generation Intel Core i3 / i5 / i7 Processor Memory Support : Four (4) UDIMM slots , Up to 64 GB DDR4-2400 Hard Drive : HDD or SSD Removable Media : Optional Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics 530 Audio : Realtek ALC662 codec Communications : Gigabit Ethernet I/O Ports : Front Ports : Four USB 3.1 Gen1, optional two USB 3.1 Type-C Gen 2 (only available via special bid), microphone (3.5mm), headphone (3.5mm), Rear : Two USB 3.1 Gen1, two USB 2.0, optional two USB 2.0, serial (9-pin), optional 2nd serial (9-pin), optional parallel (25-pin), ethernet (RJ-45), one VGA, two DisplayPort, two PS/2 ports (keyboard/mouse) Power : 210 W or 180W Dimensions : 92.5mm X 290.5mm X 343.5mm Weight : 6kgrm x 9.25cm, 6kgr

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 : AMD B350 FCH Processors : 7th Generation AMD Memory Support : Two (2)DIMM slots , 32 GB DDR4-2933 SDRAM Hard Drive : SATA, M.2 SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : 1 M.2 2230, 1 M.2 2230/2280 (1 M.2 slot for WLAN and 1 M.2 2230/2280 slot for storage.) Graphics : Depending on Processor Audio : Conexant CX20632 codec Communications : Gigabit Ethernet I/O Ports : Front: 1 headphone; 1 headset connector; 1 USB 3.1 Gen 1, 1 USB 3.1 Gen 1 (charging), 1 USB 3.1 Type-C Gen 2, Rear: 1 external antenna connector; 1 power connector, 1 RJ-45, 2 DisplayPort, 1.2, 4 USB 3.1 Gen 1 Power : 65 W Dimensions : 17.7 x 17.5 x 3.4 cm Weight : 1.26 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel® B250 Chipset Processors : Intel 6th & 7th generation Core i7, i5, Core i3 Dual Core, Pentium Dual Core and Celeron Dual Core Memory Support : Two (2) DIMM slots , Up to 32 GB Non-ECC dual-channel 2400MHz DDR4 SDRAM  Hard Drive : Up to 2TB SATA or Solid State Drive (optional). M.2 Removable Media : SATA DVD-ROM drive, SATA DVD Writer Drive, SATA Blu-ray Writer Drive (SlimLine) Expansion Bays : Internal: One (1) 2.5-inch, One (1) 3.5-inch Expansion Slots : One (1) PCIe x16 Half Height, One (1) PCIe x1 Half Height Graphics : Integrated Intel HD Graphics 510/530 (6th Gen) or 610/630 (7th Gen) Audio : Integrated Audio Codec Communications : Integrated Realtek RTL8111H Ethernet LAN 10/100/1000 I/O Ports : Front: Two (2) USB 3.0, Two (2) USB 2.0, microphone, headphone, Rear: Two (2) USB 3.0, Two (2) USB 2.0, HDMI, DisplayPort, UAJ,RJ-45, Stereo L/I, Speakers L/O Power : 180W typical 85% Dimensions : 29.2 x 29 x 9.7 cm Weight : 5.14 kg