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, Intel Pentium G 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 : 1 internal 3.5 HDD, 1 internal 2.5 HDD, 1 external slim ODD Expansion Slots : One (1) PCIe x16 FH, One (1) PCIe x16 (wired x4) FH, One (1) PCI, One (1) x PCIe x 1 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 : 240 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 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 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 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 : 1 internal 3.5 HDD(convertible to 5.25 ODD), 2 internal 2.5 HDD, 1 internal slim ODD Expansion Slots : One (1) PCIe x16 FH, One (1) PCIe x16 (wired x4) FH, One (1) M.2 2280, 2 x PCIe x 1 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 : 240 W Dimensions : 35 x 15.4 x 27.4 cm Weight : 7.93 kg

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 PCH C236 Processors :Core i3/i5/i7-6xxx processors, Xeon E3 processors Memory Support :4 DDR4 memory slots, DDR4, Max 64 GB Hard Drive :SATA or SSD Removable Media : N/A Expansion Bays : 1 shared internal/external 3.5" bay, 1 internal 3.5" bay, 1 internal 2.5" bay (for SSD only) Expansion Slots : 1 PCIe Gen3 x16, 1 PCIe Gen3 x4 (x4 connector), 1 PCIe Gen3 x4 (x16 connector), 1 PCIe Gen3 x1, 1 PCI (optional), 1 M.2 PCIe Gen3 x4 Graphics : Intel Integrated Graphics for Xeon processors Audio : Integrated Realtek HD ALC221-VB audio Communications : Integrated Intel I219LM PCIe GbE I/O Ports :Front: 2 USB 3.0, 2 USB 2.0 (1 charging), 1 headphone; 1 microphone, Back: 4 USB 3.0, 2 USB 2.0, 2 DisplayPort 1.2,1 DVI-I single link, 1 serial (optional); 1 parallel (optional), 2 PS/2; 1 RJ-45; 1 audio line-in; 1 audio line-out Power :400 W 92% efficient, wide-ranging, active PFC, 280 W 90% efficient, wide-ranging, active PFC Dimensions : 170 x 442 x 399 mm Weight :Starting at 8.6 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 12.0" Display Max Resolution : 2160 x 1440 Chipset : Integrated with processor Processors : Intel Core i5 7th Gen Ram Memory : 8 GB DDR4 Hard Disk Drive : SSD Graphics : Intel HD Graphics 620 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : N/A USB : 3 x USB-A 3.0, 1 x USB Type-C, Ports : LAN, HDMI, VGA, Headset, Cardreader Power Supply Adapter : N/A Dimensions : 288.5 × 223.7 × 22 mm Weight : Approx. 1.18 kg