Lenovo ThinkPad S1 Yoga 12.5" Touchscreen 2-in-1 Ultrabook, Intel Core i5-4300U 1.9GHz, 4GB RAM, 180GB SSD, Windows 8.1 Pro

The Lenovo ThinkPad S1 Yoga 20CD00AVUS 12.5" Touchscreen Convertible Ultrabook Computer is designed for convenience and portability. This system is powered by an Intel dual-core 1.9 GHz Core i5-4300U Haswell processor and incorporates 4GB of 1600MHz DDR3L memory. With onboard Intel Turbo Boost 2.0 technology, the processor's speed can reach as high as 2.9 GHz. For long term data storage, this computer features an Opal 180GB solid state drive. Opal drives are optimized for enhanced security. Bluetooth 4.0 is built-in for wireless communication with other Bluetooth-enabled devices like smartphones. This model also has 802.11a/b/g/n/ac Wi-Fi for high-speed Internet connectivity.

The 12.5" multi-touch convertible display offers multiple viewing angles and can rotate 360-degrees. In addition to touchscreen operation, this computer comes with a digitizer pen for a natural writing experience and enhanced usability. The display features LED backlighting for producing bright and vivid images and anti-glare panel technology to minimize distracting screen reflections. The Full HD 1920 x 1080 native resolution is supported by the integrated Intel HD graphics 4400 chipset. A 720p webcam is also built-in into the computer for high-resolution video-conferencing.

The ThinkPad S1 Yoga incorporates a 4-in-1 card reader for interfacing portable media cards. With two USB 3.0 ports, you have multiple options for connecting high-speed devices. There's also a mini-HDMI port for outputting video to an external display. Dual 2W speakers are built-in to the computer for stereo audio playback.

4th Generation Intel Core Processors
4th generation (Haswell) Intel Core processors are designed to deliver business-grade performance to increase productivity. These processors allow devices to turn-on quickly and stay up-to-date. These processors also allow you to multi-task efficiently, move effortlessly between applications and collaborate wirelessly in a high quality video-conference, all with the convenience of longer battery life. Additionally, you can guard against identity theft and ensure safe access to your network with built-in security features.

Four Awesome Modes. One Incredible Device
Easily change between four modes - Laptop, Stand, Tablet and Tent - while your system automatically switches system settings and locks the keyboard in place. The ThinkPad S1 Yoga's design and touchscreen display allows the screen to flip around 360 degrees, which means you can select the mode you use based on what you choose to do.

Multimode Keyboard
The ThinkPad S1 Yoga features a lift-and-lock keyboard. When your computer switches between modes, the keyboard frame automatically rises and the keys lock, virtually eliminating accidental keystrokes and providing a more comfortable grip.

Digitizer Pen Support
In all four modes, the digitizer pen provides a natural, fluid, writing experience and lets you take notes, sign documents, annotate PDFs and more.

Durability
The ThinkPad S1 Yoga's magnesium-alloy frame and heavy-duty, scratch- and smudge-resistant Corning Gorilla Glass display means it's designed to handle daily wear-and-tear.

Long Battery Life
The ThinkPad S1 Yoga lets you stay productive over the long haul. With up to 8 hours of battery life and up to 30-days standby time, you can spend less time charging your computer.

10-Point Multi-Touch Display
Interact with your ThinkPad S1 Yoga by using simple, intuitive gestures directly on the 12.5" Full HD 10-point multi-touch display - optimized for Windows 8. Its multi-touch technology provides a smooth and intuitive user experience with fast response times.

Instant Resume
Stay productive by quickly picking up where you left off. The ThinkPad S1 Yoga wakes from sleep mode in less than 2 seconds and from hibernation in less than 7 seconds.

Stereo Speakers With Dolby Home Theater
Dolby Home Theater V4 is engineered to deliver increased audio clarity and maximized volume output without distortion. You can enjoy crisp, clear, immersive surround sound experience from the computer's built-in stereo speakers.

Powered USB 3.0 Connector
One of the computer's USB 3.0 ports is powered for charging portable USB-powered devices likes smartphones and MP3 players.

Navigation
Keyboard: 6-row, 83-key, spill-resistant, multimedia Fn keys, LED backlight
TrackPoint: TrackPoint pointing device
Touchpad: UltraNav, wide touchpad below keyboard, integrated five buttons, multi-touch
Light Sensor: Ambient light sensor

Audio Support
HD Audio
Conexant CX20751 codec
Dual 2W Stereo Speakers

Volume up, down, mute buttonsDual array microphone, VOIP-ready
Combo audio/microphone jack

Video Support
Supports external digital monitor via mini-HDMI
Supports dual independent display
Maximum external resolution: 1920 x 1200 (mini-HDMI) at 60 Hz

Software and Hardware Security
Power-on password
Hard disk password
Supervisor password
Security keyhole
Trusted Platform Module (TPM)
TCG 1.2-compliant

Supports ThinkVantage Technologies
45 W AC adapter
ENERGY STAR compliant
RoHS-compliant

Other Features
Camera: HD 720p resolution, wide view angle, low light sensitive, face tracking, fixed focus
Wireless Chipset: 11ac, PCIe Half Mini Card, Intel Dual Band Wireless-AC 7260, Wi-Fi + Bluetooth combo adapter, 2x2
Intel Hyper-Threading technology
Battery HW Authentication.