Intel Core i7-4510U Processor (4M Cache, up to 3.10GHz) with Intel Turbo Boost Technology 12GB DDR3L 1600MHz Memory 1TB (5400 RPM) Serial ATA hard disk drive 15.6” TruBrite TFT LED backlit display 1366 x 768 resolution Built-in harman/kardon stereo speakers Premium Frameless TruType Keyboard with numeric keypad HD webcam and microphone 10/100/1000 Gigabit Ethernet Intel Dual-Band Wireless-AC 3160 Bluetooth v4.0 HDMI with 4K Ultra HD output capability Multi-format memory card reader 2x USB 3.0, 1x USB 2.0 port 4cell/45Wh Lithium Ion battery pack Approx. Weight: 5.5 lb Windows 8.1 Mfr. Part# PSPQ2U-00S00NB This product is certified refurbished by Toshiba grade “A” condition.