2015 Lenovo IdeaPad 15.6-inch Notebook (Processor: AMD A6-6310 Quad-Core up to 2.4 Ghz Turbo, 500 GB Hard Drive, 1366 x 768 HD Display, Radeon R4 Graphics) AMD Radeon R4 Graphics 4 GB DDR3L SDRAM (1600 MHz PC3L-12800 SO-DIMM 204-pin), 16GB supported Dolby Advanced Audio Operating System: Windows 8.1 64-bit Edition  English (no charge Windows 10 upgrade option) 500 GB Hard Drive 4-cell battery providing up to Up to 6 hours run time CPU: AMD Quad-Core A6-6310 1.8 GHz to 2.4 GHz, 2 MB L2 Cache 15.6" 1366 x 768 ( HD ) LED backlit Anti-glare Widescreen Display Weight: 4.74 lbs, Dimensions: 15 in x 10.3 in x 1 in Built-in numeric keyboard, multi-touch touchpad 802.11n Wireless, Bluetooth 4.0, Gigabit Ethernet LAN 1 year Lenovo parts and labor Two USB 3.0, One USB 2.0, VGA port, HDMI, Stereo speakers ,Headphone/microphone combo jack, Memory Card Reader: 4 in 1 ( SD Card, MultiMediaCard, SDHC Card, SDXC Card )