Operating System : Windows 10 Home & Pro. MAR, Windows 10 Home & Pro MAR Chipset : Intel B250 Processors : Intel 7th generation Core i7/i5 Quad Core, Core i3 Dual Core and Pentium Dual Core Memory Support : Up to 2 SODIMM slots. Non-ECC dual-channel 2400MHz DDR4 SDRAM, up to 32 GB. Hard Drive : SATA 2.5" or SSD, or M2 (optional) Removable Media : N/A Expansion Bays : 1 (total) / 0 (free) x internal 2.5" x 1/8H Expansion Slots : 1 (total) / 0 (free) x M.2 Card Graphics : Integrated Intel HD Graphics Audio : N/A Communications : Realtek RTL8111H, Intel Dual Band Wireless-AC 3165 I/O Ports : 4 USB3.0 (2 front and 2 rear); 2 USB 2.0 (rear) 1 RJ-45; 1 DisplayPort; 1 HDMI 1.4 Input Devices : Standard Keyboard, Mouse (USB) Power : 35W Dimensions : 18.2 x 3.6 x 17.8 cm Weight : 1.18 kg

Operating System : Windows 7 Home & Pro. MAR, Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel B250 Processors : Intel Core i3, i5 6th & 7th Gen, Intel Pentium, Intel Celeron Memory Support : Up to 64 GB DDR4 SDRAM Hard Drive : SSD Removable Media : N/A Expansion Bays : 1 external 5.25" x 1/2H, 1 internal 3.5" x 1/3H Expansion Slots : PCI Express x16 slot, PCI Express x1 slot Graphics : Intel HD Graphics 530 or 630 Audio : N/A Communications : Gigabit Ethernet I/O Ports : 4 x USB 2.0 (2 front, 2 rear), 6 x USB 3.0 (2 front, 4 rear), VGA, HDMI, DisplayPort, RJ-45, Microphone in, Headphone output, Serial port Power : 220 W Dimensions : 392,1 x 267 x 100 mm Weight : 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, 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 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 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 B250 Processors: Intel 6th & 7th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Two (2) DIMM slots , DDR4 Up to 32 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(convertible to 5.25 ODD), 2 internal 2.5 HDD, 1 internal slim ODD Expansion Slots : PCIe 3.0 x16; (3x) PCIe x1; Graphics : Integrated Intel HD Graphics (depends on CPU) Audio : Integrated Audio Communications : Integrated Intel® i219-V Ethernet LAN 10/100/1000 I/O Ports : 8 External USB - 4 x 3.0; 4 x USB 2.0; 1 RJ-45; 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