Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel G41 Processors : Intel Core 2 Duo, Core 2 Quad, Pentium & Celeron Memory Support : Two (2) DIMM slots , Up to 4 GB DDR3 SDRAM PC3-10600 (1066/1333 MHz)  Hard Drive : 160MB to 1 TB , 64GB to 1TB Solid State Drive (optional) Removable Media : SATA DVD-ROM drive, SATA DVD Writer Drive, SATA Blu-ray Writer Drive Expansion Bays : External: One (1) 5.25-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCI 2.3, One (1) PCI Express x16, Two (2) PCI Express x1 Graphics : Integrated Intel Graphics Media Accelerator 4500 Audio : Realtek ALC662 High Definition audio codec Communications : Realtek RTL8103EL 10/100 Fast Ethernet controller I/O Ports : Front: 2 USB, audio ports, Rear: 4 USB, VGA, RJ-45, audio in/out Input Devices : Compaq USB Standard Keyboard, Compaq USB Optical Scroll Mouse Power : 300-W Dimensions : 42.8 x 38.4 x 16.6 cm Weight : 10.2 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