Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel H110 Processors : Intel 6th generation Core i5, Core i3 Dual Core, Pentium Dual Core and Celeron Dual Core Memory Support : Two (2) SODIMM slots , Up to 16 GB DDR3L 1600 MHz SDRAM  Hard Drive : Up to 2TB SATA or Solid State Drive (optional) Removable Media : SATA DVD-ROM drive, SATA DVD Writer Drive, SATA Blu-ray Writer Drive (optional) 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 530 Audio : Integrated Audio Codec Communications : Integrated Realtek RTL8111HS Gigabit Ethernet 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, DP, UAJ,RJ-45, Stereo L/I, Speakers L/O Power : 180W Dimensions : 29.2 x 29 x 9.2 cm Weight : 6 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, Intel Pentium G 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 : 1 internal 3.5 HDD, 1 internal 2.5 HDD, 1 external slim ODD Expansion Slots : One (1) PCIe x16 FH, One (1) PCIe x16 (wired x4) FH, One (1) PCI, One (1) x PCIe x 1 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 - 6 x 3.1 Gen 1 (2 Type-A front/4 Type-A rear), 4 x 2.0 (2 Type-A front/2 Type A rear - 1 front); 2 Internal USB 2.0; 1 RJ-45; 1 Serial; 2 Display Port 1.2; 1 HDMI 1.4; Input Devices : Standard Keyboard, Mouse Power : 240 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 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 630 Processors: Intel Pentium G Series, Intel Celeron, Intel Core i3, i5, i7 8th & 9th Gen Memory Support: Up to 64GB DDR4, Four DDR4 DIMM slots, dual-channel capable Hard Drive : SATA, SSD Graphics : Intel UHD Graphics 610/630 Audio : Realtek ALC233VB2 codec Communications : Integrated 100/1000M I/O Front Ports: 2x USB 3.1 Gen 1, 2x USB 3.1 Gen 2, 1x USB-C? 3.1 Gen 1, 1x headphone / microphone combo jack (3.5mm), 1x microphone I/O Rear Ports: 4x USB 2.0, 1x VGA, 2x DisplayPort, 1x serial (9-pin), 1x Ethernet (RJ-45) Power : 180W or 210W or 260W Dimensions : 92.5 x 290.5 x 343.5 mm Weight : Around 6.0 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel B250 Processors: Intel 6th & 7th generation Core i3,i5,i7, Intel 7th Gen Core i3,i5,i7, Intel Pentium Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 Hard Drive : SATA, 5400 rpm or 7200 rpm Removable Media : N/A Expansion Bays : Internal: One (1) 2.5-inch Expansion Slots : Graphics : Intel HD Graphics 530 Audio : Integrated Audio Communications : 1 Gigabit Ethernet , Bluetooth 4.1 I/O Ports : Front: Two (2) USB 3.0, Audio I/O Rear: Four (4) USB 3.0, Two (2) DP, RJ-45, DP, Audio I/O Input Devices : Standard Keyboard, Mouse (USB) Power : 65 W Dimensions : 18.3 x 17.9 x 3.4 cm Weight : 1.3 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-V Ethernet LAN 10/100/1000 I/O Ports : 10 External USB - 6 x 3.1 Gen 1 (2 Type-A front/4 Type-A rear), 4 x 2.0 (2 Type-A front/2 Type A rear - 1 front); 2 Internal USB 2.0; 1 RJ-45; 1 Serial; 2 Display Port 1.2; 1 HDMI 1.4; Input Devices : Standard Keyboard, Mouse 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 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, 2 x DP, Audio I/O, RS-232 serial port 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 : 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