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 Q67 Processors: Intel Core i3,i5,i7, Intel Pentium Memory Support: Four (4) DIMM slots , Up to 32 GB DDR3 1333 MHz SDRAM Hard Drive: Up to 1 TB 7200 rpm Removable Media: DVD-ROM/ DVD-ReWritable 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, Two (2) LP PCI-E x16 (1 wired x4), One (1) LP PCI-E x1 Graphics: Intel HD Graphics 2000/3000 (integrated) Audio: Realtek ALC261 codec Communications: Intel 82579LM integrated GbE Network Connection I/O Ports: Front: Four (4) USB 2.0, Audio I/O, Rear: Six (6) USB 2.0, Serial, VGA, DP,RJ-45, Two (2) PS/2, Audio I/O Power: 240 W Dimensions: 37.9 cm 33.8 cm x 10.0 cm Weight: 7.6 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: N/A Processors: Intel Celeron Processor N3000 Series or Intel Pentium Processor N3000 Series Memory Support: 8GB max / DDR3 Low Voltage, DDR3L-1600, SO-DIMM socket Hard Drive : SATA or M.2 Solid State Drive (SSD), SATA interface Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics in processor Audio : Integrated Audio Communications : 1 Gigabit Ethernet , Bluetooth 4.1 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, RJ-45, Audio I/O Power : 65 W Dimensions : 179mm X 182.9mm X 34.5mm Weight : 1.3 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, Windows 11 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: N/A Processors: Intel 8th generation Core i3,i5,i7 Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 2666MHz Display: 23.8" IPS Wide Viewing Angle WLED, Full HD 1920x 1080 resolution with anti-glare coating; optional projected capacitive touch screen Hard Drive : SATA HDD or SSD, M.2 SSD Removable Media : N/A Expansion Bays : Internal: One (1) 2.5-inch Expansion Slots : N/A Graphics : Intel HD Graphics, NVIDIA GeForce? GTX 1050, 4 GB (Optional) Audio : Integrated Audio Communications : Ethernet 1000Mbps I/O Ports : 5 x USB 3.1 Type A, USB Type C, DisplayPort, HDMI In, HDMI Out, RJ-45, Audio Line-Out Input Devices : Standard Keyboard, Mouse (USB) Power : 80 PLUS internal Power Supply Unit; optional 155W EPA Bronze or 200W EPA Platinum Dimensions : 34.40 cm (13.54") x Width: 54.02 cm (21.27") x Depth: 5.28 cm (2.08") Weight : 6.05 kg (13.34 lb)

Operating System: Windows 10 Home & Pro MAR, Windows 11 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: N/A Processors: Intel 8th generation Core i3,i5,i7 Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 2666MHz Display: 23.8" IPS Wide Viewing Angle WLED, Full HD 1920x 1080 resolution with anti-glare coating; optional projected capacitive touch screen Hard Drive : SATA HDD or SSD, M.2 SSD Removable Media : N/A Expansion Bays : Internal: One (1) 2.5-inch Expansion Slots : N/A Graphics : Intel HD Graphics, NVIDIA GeForce? GTX 1050, 4 GB (Optional) Audio : Integrated Audio Communications : Ethernet 1000Mbps I/O Ports : 5 x USB 3.1 Type A, USB Type C, DisplayPort, HDMI In, HDMI Out, RJ-45, Audio Line-Out Input Devices : Standard Keyboard, Mouse (USB) Power : 80 PLUS internal Power Supply Unit; optional 155W EPA Bronze or 200W EPA Platinum Dimensions : 34.40 cm (13.54") x Width: 54.02 cm (21.27") x Depth: 5.28 cm (2.08") Weight : 6.05 kg (13.34 lb)