ASUS UX31 13-Inch Laptop [2012 model] Intel i7-3517U (1.90 GHz x 4 Threads) | 4 MB L3 Cache | Turbo Boost up to 3.00 GHz (x 4 threads) | 17 Watt 4 GB SDRAM 500GB 5400RPM (W/ 24GB SSD reserved for Instant On) 13.3-Inch Screen Windows 8