Supports ThinkVantage® technologiesConvertible tablet ultrabook™; one spindleIntel® Core™ i3-3217U processor (2 cores, 1.80GHz, 3MB Cache), Intel HD Graphics 4000,DDR3 memory controller (up to 1600MHz), HT technologyIntel Core i5-3317U processor (2 cores, 1.70GHz, 3MB Cache), Intel HD Graphics 4000,DDR3 memory controller (up to 1600MHz), Intel Turbo Boost 2.0 (2.60GHz), HT technologyIntel Core i7-3517U processor (2 cores, 1.90GHz, 4MB Cache), Intel HD Graphics 4000,DDR3 memory controller (up to 1600MHz), Intel Turbo Boost 2.0 (3.00GHz), HT technology2GB, 4GB or 8GB / PC3-10600 1333MHz DDR3 / soldered to systemboard,no SO-DIMM socketsNoneSome: Solid State Drive (SSD) / SATA 6.0Gb/s, 2.5" wide, 7mm highSome: Hard Disk Drive / SATA 3.0Gb/s, 2.5" wide, 7mm high, Active Protection System™All: removable, upgradableSome: 24GB mSATA Solid State Drive (SSD), via PCIe Mini Card slot12.5" (317.5mm) HD (1366x768) TFT color,smudgeless and anti-refl ective display with Corning® Gorilla® Glass,LED backlight, 350 nits, 16:9 aspect ratio, 500:1 contrast ratio, IPS, rotate and swivel hingeBottom buttons: volume up / down and Windows buttonsSide buttons: power and auto rotation buttonsProjected Capacitive Touch (PCT) technology, supports 5-point multi-touchHD720p resolution, wide view angle, low light sensitive, face tracking, fi xed focusIntel HD Graphics 4000 in processor,supports external digital monitor via Mini HDMI and Mini DisplayPort;supports dual independent display;Maximum external resolution: 2560x1600 (Mini DisplayPort)@60Hz;1920x1200 (Mini HDMI)@60Hz6-row, 83-key, spill-resistant, multimedia Fn keysTrackPoint pointing deviceUltraNav™, buttonless touchpad below keyboard, Tap Zones, multi-touchAmbient light sensorNone8-cell: 12.32" x 9.29" x 0.79"; 313mm x 236mm x 20mm8-cell: from 3.50 lb (1.60kg)Display cover: Magnesium + Polyphenylene sulfi de (PPS); Bottom: Magnesium + PPSIntegrated Li-Polymer 8-cell, HW AuthenticationNone8-cell (42.4Whr): up to 6.0 hrMobile Intel HM77 Express Chipset4-in-1 reader (SD, SDHC, SDXC, MMC)NoneNoneTwo USB 3.0, external monitor (mini-HDMI, mini-DisplayPort), ethernet (RJ-45)Two PCI Express Mini Card slots11a/b/g/n, PCIe Half Mini Card, ThinkPad 11a/b/g/n, Wi-Fi + Bluetooth combo adapter, 2x2NoneNoneNoneBluetooth 4.0 wireless, integrated in WLAN PCIe Half Mini CardGigabit Network Connection Realtek® RTL8111F, PHY, PCIe x1NoneHigh Defi nition (HD) Audio, Realtek ALC3202 codec /stereo speakers, 2 watt x 2, Dolby® Home Theater® v4 certifi ed /volume up, down, mute buttons / dual array microphone, combo audio/mic jackPower-on password, hard disk password, supervisor password, security keyholeTrusted Platform Module, TCG 1.2-compliantNone1-year - depot repair service / service upgrades22 availablePositioningProcessorMemoryOpticalSATA diskmSATA™ SSDWidescreendisplayMulti-touchCameraGraphicsKeyboardTrackPoint®TouchpadLight sensorThinkLight™Dimensions3Weight2Case materialBattery - typeExtended BatteryBattery - life10ChipsetMulticard ReaderExpressCardSmart Card ReadPortsPCIe Mini CardPCIe WLAN4PCIe WWANSIM cardModemBluetooth™EthernetIntel AMTAudio supportSecuritySecurity chipFingerprint readerLimited warranty12ThinkPad® Twist S230u (3347) - TopSeller (Ultrabook)3347-2YU i3-3217U 4GB 12.5" HD Multi 720p 320G 7200 TP 11a/b/g/n 28 24GB None Black BT 8 Win8 Pro64 10/123347-2RU i7-3517U 8GB 12.5" HD Multi 720p 128G SSD TP 11a/b/g/n None None Black BT 8 Win8 Pro64 10/123347-2QU i5-3317U 4GB 12.5" HD Multi 720p 128G SSD TP 11a/b/g/n None None Black BT 8 Win8 Pro64 10/123347-2NU i3-3217U 4GB 12.5" HD Multi 720p 500G 7200 TP 11a/b/g/n 24GB None Black BT 8 Win8 Pro64 10/123347-2HU i5-3317U 4GB 12.5" HD Multi 720p 500G 7200 TP 11a/b/g/n 24GB None Black BT 8 Win8 Pro64 10/123347-2GU i7-3517U 8GB 12.5" HD Multi 720p 500G 7200 TP 11a/b/g/n 24GB None Black BT 8 Win8 Pro64 10/1265-watt AC AdapterEPEAT™ Gold ratingENERGY STAR® 5.0-compliantGREENGUARD® certifi edROHS-compliantInternational Warranty Service 1724 hour x 7 day18 toll-free supportduring the warranty period12Personal Systems Reference (PSREF)© Lenovo(TANR1-1) October 2012See footnotes for more detailed informationUS model(s) announced October 23, 2012• Small and medium business (SMB) model(s), part of the US TopSeller ™ Program• A depot repair service 1-year limited warrantyType-model WidescreendisplayMemoryDiskSATAGB8 rpmPCIeMini CardWLANBat-terycellsProcessor CameraPreloaded operating system20- Windows® 8 Pro 64-bitPreloaded applications14 (only somelisted)• Lenovo Support• Lenovo Companion• Lenovo Cloud Storage• Password Manager• Fingerprint Software (fi ngerprintmodels)• ThinkVantage System Update• Norton™ Internet Security(30 days of virus defi nitions)• Microsoft Offi ce 2013 preloaded;purchase product key to activate• Skype™Blue-toothAnndate(mm/yy)SIM card PreloadTopcolorFor Lenovo 22 service upgradeoptions, please go to S-EDGE sheetPCIe Mini CardWWAN/mSATA