355 G2 15.6" LED Notebook - AMD A-Series A6-6310 1.80 GHz - Silver AMD A6-6310 1.8 GHz Quad-Core (2.4 GHz w/Turbo, 2 MB Cache) Processor - AMD Radeon R4 Graphics 15.6" LED Backlight HD (1366 x 768) Display 4 GB DDR3L SDRAM - 500 GB 5400 rpm HDD - DVD SuperMulti Drive Wi-Fi 802.11n, Bluetooth 4.0 HS, Gigabit Ethernet Windows 7 Pro 64-bit / Windows 8.1 Pro downgrade - pre-installed: Windows 7