Operating System : Windows 7 or 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.0" Display Max Resolution : 1024 x 768 Chipset : GM965 Express Processors : Intel Core 2 Duo Ram Memory : (2) two Slots, DDR2, Up to 4GB Hard Disk Drive : SATA, 5.400rpm or 7200rpm Graphics : GM965 graphics Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : No Optical Disc Drive : DVD ROM USB : 3 x USB2 Ports : VGA, S-Video, RJ-45, RJ-11, IEEEE 1394, Docking Power Supply Adapter : 90W Dimensions : 33.2 x 25.5 x 3.3 cm Weight : 2.7 kg

Operating System : Windows 7 or 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.4" Display Max Resolution : 1280 x 800 Chipset : GM45 Express Processors : Intel® Core™ 2 Duo Ram Memory : (2) two Slots, DDR3, Up to 4GB Hard Disk Drive : SATA, 5.400rpm or 7.200rpm Graphics : Intel Graphics Media Accelerator 4500MHD Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : DVD USB : 3xUSB2 Ports : VGA, RJ-11, RJ-45, IEEE1394, ExpressCard/54, Memory Card Reader Power Supply Adapter : 65W Dimensions : 35.8 x 25.4 x 3.3 Weight : 2.7 kg

Operating System : Windows 7 or 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.4" Display Max Resolution : 1280x800 Chipset : GM965 Express Processors : Intel® Core™ 2 Duo Ram Memory : (2) two Slots, DDR2, Up to 4GB Hard Disk Drive : SATA, 5.400rpm Graphics : Intel Graphics Media Accelerator X3100 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : No Optical Disc Drive : DVD-ROM USB : 3xUSB2 Ports : VGA, RJ-11, RJ-45, IEEE-1394, Docking, ExpressCard/54, Memory Card Reader Power Supply Adapter : 90W Dimensions : 35.8 x 25.4 x 3.5 cm Weight : 2.7 kg

Operating System : Windows 7 or 10 Home & Pro, Ubuntu Linux, Free DOS Display Size : 15.6" Display Max Resolution : 1366 x 768 Chipset : QM67 Processors : Intel® Core i3, Intel® Core i5,Intel® Core i7 G2 Ram Memory : (2) two Slots, DDR3, Up to 8GB Hard Disk Drive : SATA II, 7.200rpm Graphics : Intel HD Graphics 3000 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Yes Optical Disc Drive : DVD-ReWriteable USB : 3 x USB2 Ports : VGA, RJ-45, DP, IEEE 1394, USB 2.0/eSATA, ExpressCard/34 ,DP, Memory Card Reader Power Supply Adapter : 65 W Dimensions : 37 x 24 x 3.5 cm Weight : 2.3 kg