Operating System : Windows 10 Home & Pro MAR, Windows 11 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 : N/A Processors : 6th Generation Intel Core i5, i3 Processor Memory Support : 32GB max, DDR4 2400MHz, two 260-pin SO-DIMM sockets, dual-channel capable Hard Drive : : SATA HDD or SSD, M.2 PCIe SSD Removable Media : N/A Front ports: 2 x USB 3.1 (Gen 1) (1 for fast charge), 2 x Audio (1 combo) Rear Ports: 4 x USB 3.1 (Gen 1), 2 x DisplayPort, 2 x Punch Out (Serial/DP/HDMI/USB-C + DP/VGA), 1 x LAN Power : 65 watts 88% PSU Dimensions : 3.45 x 18.3 x 17.9 cm Weight : 1.32 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: Up to 32GB2 DDR4 at 2400Mhz - 2 SODIMM Hard Drive : Up to 2 TB SATA, 7200rpm or SSD, M.2 SSD Removable Media : No Optical Drive Expansion Bays : 1 (total) / 1 (free) x internal 2.5" / 3.5" shared Expansion Slots : 1 M.2 (22x30mm), 1 M.2 (22x80mm) Graphics : Integrated Intel HD Graphics Audio : Integrated Audio Communications : Integrated Intel i219-LM GbE Network Connection I/O Ports : 6 External USB 3.1 Gen 1 (1 USB Type-C? for data only and 1 Type-A front/4 Type-A rear ? 1 front with PowerShare); 1 RJ-45; 1 HDMI 1.4; 1 Display Port 1.2; 1 UAJ (front); 1 Line-out (front) Input Devices : Standard Keyboard, Mouse (USB) Power : 65 W Dimensions : 18.2 x 17.8 x 3.6 cm Weight : 1.18 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,  Ubuntu Linux, Free DOS Display Size : 14.0" Display Max Resolution : 1366 x 768 or 1920 x 1080 or 2560 x 1440 (depending on model) Chipset : Chipset integrated with processor Processors : Intel Core i3, i5, i7 6th Gen Ram Memory : (2) two SODIMM Slots,  DDR4 PC4-17000,  Up to 32GB Hard Disk Drive : SATA II - SATA III, M.2 Graphics : Intel HD Graphics 520 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : No Optical Drive USB : 2 x USB3.1, 1 x USB Type-C Ports : VGA, DisplayPort, RJ-45, Dock Power Supply Adapter : 45W Dimensions : 33.8 x 23.7 x 1.89 cm Weight : Starting at 1.48 kg

Resolution : 1920 x 1080 Brightness : 250 cd/m2 Contrast : 1000:1 / 2000000:1 (dynamic) Inputs : DVI-D, USB 2.0 downstream, USB 2.0 upstream, VGA Viewing Angle: 170 H/160 V

Resolution : 1680 x 1050 Brightness : 250 cd/m Contrast : 1000 : 1 Inputs : VGA, DVI Viewing Angle: N/A

Resolution : 1920 x 1080 Brightness : 250 cd/m2 Contrast : 1000:1(Typ.) Inputs : VGA, DVI-D Viewing Angle: 170 H/160 V