Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Processors: Intel Core i3, i5 9th Gen Memory Support: 16 GB (1 module(s) 16 GB) DDR4, unbuffered, non-ECC, 2,666 MT/s, UDIMM Hard Drive: HDD, SSD or SSD M2 Removable Media: Optional Expansion Bays: 1 x 2.5-inch bays, 1 x 3.5-inch internal bays, 1 x 5.25-inch external bays Expansion Slots: PCI-Express 3.0 x4 (mech. x16) , PCI-Express 3.0 x16 Graphics: Intel HD Graphics 630 Audio: Realtek ALC671 Communications: Gigabit Ethernet I/O Ports: 6 x USB 2.0, 4 x USB 3.1 Gen1, line-in, line-out, microphone, headphone, DisplayPort, DVI-D, RJ-45, Power: 210W or 280W Dimensions: 313 x 286 x 89 mm Weight: 5 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q270 Processors: Intel Core i3/ i5 / i7 6th & 7th Gen Memory Support: Two (2)SODIMM slots ,32 GB dual channel DDR4 2133 MHz Speaker: Internal speaker amplifier, single 4-ohms speakers Display: 23.8" IPS Wide Viewing Angle WLED, Full HD 1920x 1080 resolution and Ultra HD (4K) 3840 x 2160 resolution with anti-glare coating. Hard Drive: one 2.5-inch SATA or SSD or one M.2 SSD Removable Media: DVD+/-RW and DVD/ROM Optical Disc Drives (optional), SD4.0 Media Card Reader (standard) Graphics: Integrated Intel HD 630/610/530/510 Audio: Intel High Definition Audio with Waves MaxxVoice Pro Communications: I219-LM Ethernet LAN 10/100/1000 I/O Ports: USB 3.1 Gen 1 x 2 (one with Type-C) USB 3.1 Gen 1 x 4 (rear)/ USB2.0 x 2 (rear), HDMI 1.4 Out (rear), HDMI 1.4 In(rear, DisplayPort 1.2 Out (rear), Audio I/O (side), Audio Line-Out (rear), RJ-45 (rear) Input Devices: Standard Keyboard, Mouse (USB) Power: 80 PLUS internal Power Supply Unit Dimensions: 39.3 x 57.5 x 6.4 cm Weight: 7.1 Kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q170 Processors: Intel 6th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , Up to 32 GB DDR4 Hard Drive : Up to 2 TB SATA, 7200rpm or SSD (optional) Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External: One (1) 5.25-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x 4 HH, One (1) PCIe x 16 HH, One (1) M.2 3388 Graphics : Integrated Intel HD Graphics 530 Audio : Integrated Audio Communications : Integrated Intel i219-LM GbE Network Connection I/O Ports : Front: Two (2) USB 2.0, Two (2) USB 3.0, Cardreader (optional), Audio I/O Rear: Four(4) USB 3.0, Two (2) USB 2.0,Two (2) DP, HDMI, VGA(optional), Serial, RJ-45, Audio I/O, PS/2 Input Devices : Standard Keyboard, Mouse (USB or PS/2) Power : 240 W Dimensions : 29.2 x 29 x 9.26 cm Weight : 4.48 kg

Operating System :Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset :Intel X58 Express Processors :Intel Xeon Processors: E5-1600 family (4C), E5-1600v2 family (4C/6C/8C), E5-2600v2 (8C) Memory Support :8 DIMM Slots for DDR3 ECC Memory Hard Drive :250GB to 2TB SATA 3.0-Gb/s, 300GB to 600GB SAS, 128GB to 256GB SSD Drives Removable Media :16X DVD-ROM SATA Drive, 16X DVD+/-RW SuperMulti SATA Drive, Blu-ray Writer Expansion Bays :External: Three (3) 5.25-inch, Internal: Three (3) 3.5-inch Expansion Slots :2 PCIe x16 Gen3 Slots, 1 PCIe x8 Gen3, 1 PCIe x8(x4) Gen2, 1 PCIe x4(x1) Gen2, 1 PCI Slot Graphics :N/A Audio :Integrated Intel/Realtek HD ALC262 Audio Communications :Integrated Intel 82579LM PCIe GbE Controller I/O Ports :Front: 1 USB 2.0, 2 USB 3.0, Headphone/Mic, Rear: 4 USB 2.0, 2 USB 3.0, 2 PS2, Audio I/O Power :600W Dimensions :44.76 x 17.78 x 44.52 cm Weight :13.2kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q150 Processors: Intel 6th Generation Core i3,i5,i7, Intel Pentium Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 ,up to 2133 MHz Hard Drive: SATA , M.2 PCIe Removable Media: N/A Expansion Bays: Internal: One (1) 2.5-inch Expansion Slots: One (1) M.2 PCIe x1 , One (1) M.2 PCIe x4 Graphics: Intel HD Graphics Audio: HD audio with Realtek ALC221 codec Communications: Realtek RTL8151GH-CG GbE Network Connection I/O Ports: Front: Three (3) USB 3.0 (one Fast Charging Port,one Type-C), Audio I/O Rear: Four (4) USB 3.0, VGA, DP, RJ-45 Power: 65W or 90W Dimensions: 17.7 cm x 17.5 cm x 3.4 cm 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, DP, Audio I/O Input Devices : Standard Keyboard (USB) 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, Ubuntu Linux, Free DOS Chipset: Intel Q150 Processors: Intel 6th Generation Core i3,i5,i7, Intel Pentium Memory Support: Two (2) SODIMM slots , Up to 32 GB DDR4 ,up to 2133 MHz Hard Drive: SATA , M.2 PCIe Removable Media: N/A Expansion Bays: Internal: One (1) 2.5-inch Expansion Slots: One (1) M.2 PCIe x1 , One (1) M.2 PCIe x4 Graphics: Intel HD Graphics Audio: HD audio with Realtek ALC221 codec Communications: Realtek RTL8151GH-CG GbE Network Connection I/O Ports: Front: Three (3) USB 3.0 (one Fast Charging Port,one Type-C), Audio I/O Rear: Four (4) USB 3.0, VGA, DP, RJ-45 Power: 65W or 90W Dimensions: 17.7 cm x 17.5 cm x 3.4 cm Weight: 1.3 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; Power : 180 W Dimensions : 29.0 x 9.26 x 29.2 cm Weight : 5.26 kg