Sumsang ATIV Book 9 13.3 plus Core i5 Mobile Mark 2007 Model No NP940X3G-K02US Comes with Windows 8 Professional (64-bit) Operating System. Intel Core i5-4200U, 1.6 GHz (Up to 2.6 GHz), processor, 8GB LPDDR3 (1600MHz), 8GB x 1 (On Board) RAM Memory,128GB, mSATA tecnalogy, SATA3 (6.0Gbps)SSD, Sumsang ATIV Book 9 13.3 plus also has Stereo Speaker (1.5W x 2), SoundAlive HD Audio, 720p HD Webcam, Dolby Home Theater, Yes (Dual Array) Mic, Blacklit keboard and no of keys 80, The Laptop is 12.35 x 8.60 x 0.53 inches Physical Dimension and 236lb, SuperBright plus Technology, 350 nits brightnes. Weight, Slot 3-in-1 (SD, SDHC, SDXC) Multi-media Card Reader, 3200 x 1800 HD, 13.3 inches screen size, 4 Cell / Li-Po and 55.5WHr Up to 12 Hours battery, ATIV Book 9 13.3 plus is 2 x USB 3.0 chargeable USB ( Totle No of USB 2),4.0v Bluetooth, internet, HDMI and VGA by Sumsang.