Acer 15.6" Intel Celeron 4 GB Ram 500 GB HDD Windows 8.1|ES1-512-C96S (Certified Refurbished) This Certified Refurbished product is certified factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. The 15.6" LCD Display and 1366 x 768 resolution in HD will have you captivated. This Windows 8.1 machine comes with 3 USB Port and an HDMI Port so you can plug and play all your accessories. Sporting 4 GB of DDR3L SDRAM and 500 GB Hard Drive Space so you will have plenty of memory to accelerate your tasks With blazing fast Intel Celeron N2840 Dual-core 2.16 GHz Processor