SpecificationDetailsProcessorIntel® Celeron® Processor N2940 (2M Cache, up to 2.25 GHz)Operating SystemWindows 8.1 Pro (pre-installed through downgrade rights in Windows 10 Pro)Display11.6″ HD (1366×768), glare, 270 nits, IPS, Touch, with Dragontrail Glass ProtectionGraphicsIntel HD Graphics in processorMemory4GB (1 SO-DIMM slot), PC3-12800 1600MHz DDR3L, non-parity; 8GB maxWebcamIntegrated 720p HD CameraStorage128GB SSD, SATA 3.0Gb/s, 2.5″Optical DriveNoneDimensions (W x D x H)300 x 216 x 22.9 mmWeight1.59kgCase ColourGraphite blackCase MaterialDisplay cover: PolyCarbonate/Glass-Fiber Reinforced Plastic; Bottom: PolyCarbonate/Acrylonitrile-Butadiene-Styrene (PC/ABS) plasticHingeYoga hinge 360°Battery4-cell Li-Ion integrated battery (35Wh)Battery LifeUp to 6.5 hoursAC Adaptor45WKeyboardThinkPad Windows keyboard, 6-row, multimedia Fn keysUltraNav™No TrackPoint®; buttonless touchpad, multitouchFingerprint ReaderNoneAudio SupportHD Audio, Realtek® ALC283 codec, Dolby® Advanced Audio™ v2 / stereo speakers, 2W x 2 / monaural digital microphone, combo audio/mic jackWireless LANIntel® Dual Band Wireless-N 7260 (2×2, 802.11abgn) with Bluetooth 4.0Wireless WANNoneNFCNonePorts1 x USB 3.0, 1 x USB 2.0 (AlwaysOn), Combo audio/microphone jack, Ethernet (RJ45), 4-in-1 card reader (MMC, SD, SDHC, SDXC), HDMI, Security keyhole