Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel H61 Express Chipset Processors: Intel 2nd & 3rd generation Core i3 Memory Support: Up to 16GB 1600 MHz DDR3 (SODIMM) Display: 20" Wide LED 16:9 (1600x900) Hard Drive : HDD or SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC269Q Communications : One gigabit ethernet port, Realtek RTL8111E-VB I/O Ports : Side: (2) USB 2.0, Microphone, Headphone, Rear: (4) USB 2.0, Display Port, (RJ-45 Power : 150 W Dimensions : 506.8mm x 71.5mm x 411mm Weight : 6.835~7.055 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 H61 Express Chipset Processors: Intel 2nd & 3rd generation Core i3 Memory Support: Up to 16GB 1600 MHz DDR3 (SODIMM) Display: 20" Wide LED 16:9 (1600x900) Hard Drive : HDD or SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics Audio : High Definition (HD) Audio, Realtek ALC269Q Communications : One gigabit ethernet port, Realtek RTL8111E-VB I/O Ports : Side: (2) USB 2.0, Microphone, Headphone, Rear: (4) USB 2.0, Display Port, (RJ-45 Power : 150 W Dimensions : 506.8mm x 71.5mm x 411mm Weight : 6.835~7.055 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel B250 Chipset Processors : Intel Celeron, Intel Pentium, or 6/7th Generation Intel Core i3 / i5 / i7 Processor Memory Support : Four (4) UDIMM slots , Up to 64 GB DDR4-2400 Hard Drive : HDD or SSD Removable Media : Optional Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics 530 Audio : Realtek ALC662 codec Communications : Gigabit Ethernet I/O Ports : Front Ports : Four USB 3.1 Gen1, optional two USB 3.1 Type-C Gen 2 (only available via special bid), microphone (3.5mm), headphone (3.5mm), Rear : Two USB 3.1 Gen1, two USB 2.0, optional two USB 2.0, serial (9-pin), optional 2nd serial (9-pin), optional parallel (25-pin), ethernet (RJ-45), one VGA, two DisplayPort, two PS/2 ports (keyboard/mouse) Power : 210 W or 180W Dimensions : 92.5mm X 290.5mm X 343.5mm Weight : 6kgrm x 9.25cm, 6kgr

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel B250 Chipset Processors : Intel Celeron, Intel Pentium, or 6/7th Generation Intel Core i3 / i5 / i7 Processor Memory Support : Four (4) UDIMM slots , Up to 64 GB DDR4-2400 Hard Drive : HDD or SSD Removable Media : Optional Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel HD Graphics 530 Audio : Realtek ALC662 codec Communications : Gigabit Ethernet I/O Ports : Front Ports : Four USB 3.1 Gen1, optional two USB 3.1 Type-C Gen 2 (only available via special bid), microphone (3.5mm), headphone (3.5mm), Rear : Two USB 3.1 Gen1, two USB 2.0, optional two USB 2.0, serial (9-pin), optional 2nd serial (9-pin), optional parallel (25-pin), ethernet (RJ-45), one VGA, two DisplayPort, two PS/2 ports (keyboard/mouse) Power : 210 W or 180W Dimensions : 92.5mm X 290.5mm X 343.5mm Weight : 6kgrm x 9.25cm, 6kgr

Operating System: Windows 10 Home & Pro MAR, Windows 11 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Processors: Intel 8th & 9th generation Core i3, i5, i7, Intel Pentium Gold Memory Support: Two (2) SODIMM slots , Up to 16 GB DDR4 SDRAM Non-ECC memory, 2666 MHz or 2400 MHz Display: 21.5" IPS WLED, Full HD 1920 x 1080 resolution Hard Drive : HDD, SSD or M.2 SSD Removable Media : N/A Expansion Bays : N/A Expansion Slots : N/A Graphics : Intel UHD Graphics 610, Intel UHD 630 Graphics Audio : Integrated Realtek ALC3246 High Definition Audio Communications : Integrated Intel i219-V 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE I/O Ports : Side: One (1) USB 3.1 Gen 1 port with PowerShare, One (1) USB 3.1 Gen 2 Type-C port, One (1) USB 3.1 Gen 2 Type-C port, Rear: Two (2) USB 2.0 with Power on/Wake-up support, Two (2) USB 3.1 Gen 1 ports, RJ-45, DisplayPort 1.2, Universal Audio Jack 1 Side , Line-Out for headphones or speakers Power : 240 W or 155 W Dimensions : 5.45 x 32.9 x 49.8 cm Weight : 5.33 kg