Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q87 Processors : Intel 4th Gen Core i3,i5,i7, Intel Celeron, Intel Pentium Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 SDRAM  Hard Drive : Up to 2TB 7200rpm or SSD Removable Media : DVD-ROM/ DVD-ReWritable Slim Expansion Bays : External: One (1) 5.25-inch slim, One (1) 3.5-inch Internal: One (1) 3.5-inch, One (1) 2.5-inch Expansion Slots : Two (2) PCI Express x16, Two (2) PCI Express x1 Graphics : Intel HD Graphics Audio : Realtek ALC221 codec Communications : Intel I217LM Gigabit Network Connection I/O Ports : Front: Two (2) USB 3.0, Two (2) USB 2.0, Audio I/0, Rear: Two (2) USB 3.0, Four (4) USB 2.0, VGA, DP, RJ-45, Serial, PS/2, Audio I/O Power : 240 W Dimensions : 37.9 cm x 33.8 cm x 10 cm Weight : 7.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q87 Processors : Intel Core i5,i7 4th Gen, Intel Dual Core i3, Intel Pentium Memory Support : Four (4) DIMM slots , Up to 32 GB DDR3 1600 Mhz Hard Drive : SATA3 7200 rpm Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External:One (1) 2.5-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) miniPCIe Graphics : Integrated Intel HD Graphics 4600 Audio : Dell Business audio speaker Communications : Gigabit Ethernet I/O Ports : Front: Two (2) USB 3.0, Audio I/O Rear: Two (2) USB 3.0, Two(2) USB 2.0, Two (2) DP, VGA, RJ-45, Serial, Αudio Ι/Ο Power : 200W Dimensions : 24 x 23.7 x 6.5 cm Weight : 3.3kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q150 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) DVD-ROM, DVD Super Multi, BD Triple Writer SATA slim (tray) Expansion Bays : External: One (1) 5.25-inch, One (1) 3.5-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) LP PCI-e 3.0 x16, One (1) LP PCI-e 2.0 x4, Two (2) LP PCI-e 2.0 x1 Graphics : Intel HD Graphics Audio : Realtek ALC671 Communications : 10/100/1,000 MBit/s Intel I219V I/O Ports : Front: Two (2) USB 2.0, Two (2) USB 3.0 microphone, headphone  Rear: Two (2) USB 2.0, Four (4) USB 3.0, Two (2) DisplayPort, DVI-D, Audio I/O Power : 280 watts 84% active PFC Dimensions : 332 x 338 x 89 mm Weight : 8 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-LM E GbE Network Connection I/O Ports : 10 External USB - 6 x USB 3.1 Gen 1 (1 USB Type-C for data only and 1 Type-A front/4 Type-A rear) and 4 x USB 2.0 (2 Type-A front/2 Type-A rear - 1 front with PowerShare); 4 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 B150 Chipset Processors: Intel Pentium G, i3 i5 i7 6th Memory Support: Up to 32GB DDR4 2133, 2 soddim Hard Drive : SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics 510/530 Audio : N/A Communications : 1 Gigabit Ethernet I/O Ports : 6 x USB 3.0, one microphone, one headphone / microphone combo jack, ethernet (RJ-45), two DisplayPort, Power : 65 W or 90 W Dimensions : 35 mm x 179 mm x 182 mm Weight : 1.6 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