Acer Aspire 15.6 Inch HD Laptop with Windows 7 Home Premium 64-bit, Intel Dual Core 1.4 GHz, 4GB Ram, 500GB Hard Drive, DVD+RW (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. 15.6 Active Matrix TFT Color LCD LED with 1366 x 768 resolution Intel Dual Core Celeron 2957U 1.4 GHz, 4GB DDR3 RAM , 500GB hard drive, DVD+RW optical drive Integrated 10/100/1000Mbps, Wi-Fi 802.11b/g/n, Bluetooth, Windows 7 Home Premium 64-bit