ASUS X515 83% screen-to-body ratio 15.6” FHD display 178° wide viewing angle Keyboard backlit keyboard3 Core™ i5 Intel® processor 2GB NVIDIA® discrete graphics 4GB DDR4 RAM 1TB HDD ASUS X509 82.5% screen-to-body ratio 15.6” FHD display 178° wide viewing angle Keyboard backlit keyboard3 Core™ i3 Intel® processor Security fingerprint sensor 4GB DDR4 RAM 1TB HDD ASUS E410M 78% screen-to-body ratio 14” Full HD display 12hrs battery life3 Keyboard backlit keyboard3 Quad-core Intel® processor 180° lay-flat hinge 4GB DDR4 RAM 128GB PCIe SSD