• Intel Core i5 Processor 2.4GHz
• 4GB DIMM RAM
• 640GB 5400RPM Hard Drive
• 13.3-Inch Screen, NVIDIA GeForce GT 520M
• Windows 7 Home Premium 64-bit, 8 hours Battery Life

Stunningly Light . Powerfully Beautiful

The ultra-stylish compact 13.3-inch U31SD-AH51 notebook delivers impressive multitasking performance and long-lasting battery life for up to 8 hours¹ of unplugged freedom. From Web browsing to more intensive tasks like gaming, the U31SD-AH51, powered by the second generation Intel^® Core^™ i5-2430M processor and DirectX^® 11-compatible NVIDIA^® GeForce^® GT 520M graphics with 1GB video memory and 4GB of system RAM, and you get a notebook that fields serious power for every application.

Featuring NVIDIA Optimus Technology, the U31SD-AH51 works like a hybrid car delivering performance and battery conservation depending on your task at hand. Under an inch thick and very light but totally durable for everything you want to use it in. That’s the wonder of the design that has gone into the U31SD-AH51, a notebook that doesn’t sacrifice performance in the name of style and mobility – it gives you all the best of every world.

Key Features

• ASUS Super Hybrid Engine for optimal system performance and up to 8 hours of battery life¹ (Learn more)
• 2^nd Generation Intel Core i5-2430M processor with Intel Hyper-Threading Technology delivers responsive and efficient multitasking performance (Learn more)
• NVIDIA GeForce GT 520M graphics card with 1GB DDR3 VRAM and NVIDIA Optimus Technology for smooth HD playback and Direct X 11 causal gaming with smart, battery-saving efficiency (Learn more)
• Lightweight and less than 1-inch at its thinnest point for effortless grab-and-go portability (Learn more)
• 640GB hard drive and 4GB of DDR3 system memory for ample storage space and enhanced multitasking
• HDMI connectivity to easily connect to a compatible HDTV or external display for Full 1080p HD visuals and 8-channel digital surround sound support (Learn more)

Learn More

Balancing Performance and Mobility

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The newly-redesigned U31SD-AH51 offers the sheer power of the second generation Intel® Core™ i5-2430M processor in a sleek and light form factor that’s fun and easy to carry with stylish portability. You can get more done over a full day of computing with exclusive ASUS Super Hybrid Engine energy optimization. With up to 8 hours of unplugged freedom,1 the built-in ASUS Super Hybrid Engine uses both hardware and software to optimize system performance, control fan noise, and ensure long-lasting, charger-free mobility through selectable power profiles. Whether it is maximizing battery life or performance, each profile is enhanced for virtually any user scenario you can imagine—putting you in full control of the notebook. NVIDIA Optimus Technology furthers battery savings by detecting system load and automatically switching between discrete and embedded graphics. It seamlessly gives you power when you need it and energy efficiency for less demanding tasks.

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Visually Powerful, Aesthetically Pleasing

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Featuring the NVIDIA GeForce GT 520M graphics card with 1GB DDR3 VRAM, experience eye-catching visual performance while editing photos, watching movies, or playing Direct X 11-enabled casual games. The 13.3-inch LED-backlit HD display delivers vibrant clarity with a native resolution of 1366×768 and a 16:9 viewing ratio. The U31SD-AH51 award-winning chiclet keyboard allows for a comfortable typing experience and the multi-touch trackpads provides effortless 3-touch navigation. Lightweight and less than 1-inch at its thinnest point, the U31SD-AH51 comfortably fits into carrying cases, making it an ideal choice for a business and school.

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Complete Connectivity

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The U31SD-AH51 comes with high-speed wireless N connectivity (@2.4GHz) to let you connect to the thousands of nationwide hotspots. Easily transfer data and connect peripherals with its built-in 3-in-1 card reader (SD, MMD, MS) and three USB 2.0 ports. HDMI ready, supersize your entertainment to any compatible HDTV or external display with Full 1080p HD playback and 8-channel surround sound support.

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Relax, ASUS Has You Covered

Ranked as the #1 most reliable PC brand by 3 independent sources,² readers and editors alike choose ASUS as their trusted notebook and netbook. ASUS tirelessly strives to exceed expectations of quality to ensure you an unmatched peace of mind every time you start your PC.

This notebook also comes with the industry’s most comprehensive warranty.


1 Year ASUS Global Warranty²

Offers a level of coverage that would add hundreds of dollars to the price of competing laptops:

• 1 year global warranty
• 30 day Flawless Display Guarantee
• 2-way free standard shipping
• 24/7 tech support




1 Year Accidental Damage Protection (ADP)²

Accidents happen. But when they happen to your ASUS notebook purchased in the US or Canada, you have extra protection. Whether your notebook is damaged by accidental spills, drops, electrical surges, or fire, ASUS will fix it or replace it during the first year after purchase.³

• Target 3 business day turnaround time for repair / replacement; not including receiving and shipping time
• 1-way shipping (from ASUS to the user) at no additional cost
• 24-hour toll-free phone support

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What’s in the Box

• U31SD-AH51 Notebook
• AC Adapter
• 8-cell Battery Pack
• Warranty Information Card

Specifications

• Operating System: Windows 7 Home Premium (64-bit)
• Display: 13.3-inch LED-backlit HD display (1366 x 768)
• Processor: 2nd generation Intel Core i5-2430M processor (2.2GHz)
• Graphics: NVIDIA GeForce GT 520M 1GB GDDR3 VRAM
• WLAN: 802.11 b/g/n (@ 2.4GHz)
• Bluetooth: B.T 3.0
• LAN: 10/100/1000 Mbps Ethernet
• Memory: 4GB DDR3 SDRAM, 2 x SODIMM Sockets (up to 8GB)
• Storage: 640GB 5400RPM hard drive
• Camera: 0.3 megapixel
• Speakers: Stereo speakers
• Microphone: Digital Array Microphone
• Card Reader: 3-in-1 card reader (MMC/SD/MS)
• Input / Output: 1 x Mic-in, 1 x Headphone-out, 1 x VGA port/Mini D-Sub 15-pin for external monitor, 1 x RJ45 LAN, 3 x USB 2.0 ports, 1 x HDMI
• Battery: 8 cell
• Dimensions: 12.9 x 9.2 x1–inches (W x D x H)
• Weight: 4lbs (with 8 cell battery)
• Color: Black





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Pin web sites with Internet Explorer 9 (view larger).

Windows 7 Home Premium The Best Entertainment Experience On Your PC Windows 7 Home Premium makes it easy to create a home network and share all of your favorite photos, videos, and music. You can even watch, pause, and rewind TV or record it to watch whenever and wherever you want. For the best entertainment experience, choose a PC with Windows 7. Windows 7: Your PC Simplified Improved desktop navigation features like Snap, Peek and Shake, make it easier to manage all of your open windows. Find virtually anything on your PC–from documents to songs to email–just by typing a word or two with Windows Search. Designed to make your PC sleep and resume quicker. Watch, pause, rewind and record TV with Windows Media Center to watch whenever and where ever you want.*

Get a Faster, Safer Web with a New PC and Internet Explorer 9 Helps protect against identity theft and malicious software with SmartScreen Filter. Movies, TV, and videos look better and run more smoothly. Create, Connect, and Share with Windows Live Windows 7 and Windows Live bring it all together for free. Get the free set of programs that make it simple to create and share amazing photos and movies, organize mail, and stay connected with your closest friends. Get free online storage with Windows Live SkyDrive. Sync files on your PCs automatically with Windows Live Mesh. Share photos during video chats with Windows Live Messenger.** Easily edit photos. Combine the best parts of multiple photos into one perfect photo with Photo Fuse. You can download Windows Live for FREE at download.live.com.

Create, connect, and share (see larger image).

Complete Your PC Experience with Microsoft Office 2010 Includes reduced functionality versions of Microsoft Word and Excel with advertising. (Note that PowerPoint or Outlook are not included.) Purchase Office 2010 today and get the most out of your new PC.   * Additional hardware may be required. Not available in all countries. (See windows.microsoft.com/products/windows-7/system-requirements/ for more information.) ** Requires a compatible microphone, speakers or headset, webcam, and broadband connection.

© 2011 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos.

¹ Actual battery life may vary based on product settings, usage patterns and environmental conditions.
² Rated number 1 Windows-based PC maker in PCMag.com’s Service & Reliability Report 2010. Rated number 1 PC brand according to SquareTrade, the leading direct-to-consumer warranty company (for more information visit http://www.squaretrade.com/pages/laptop-reliability-1109/ ). Rated number 1 reliable PC maker in Q2 2010′s RESCUECOM report http://www.rescuecom.com/2010-2nd-Quarter-Computer-Reliability-Report.html
³ASUS reserves the right to exclude certain SKUs; check with your retailer to confirm coverage of specific models. Valid for notebooks purchased in the US and Canada only. Certain retailers do not participate in ADP coverage. For complete details, please visit: usa.asus.com/event/ASUS360 and adw.asus.com/.

Check Out Other Great ASUS Products

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ASUS ML248H 24-Inch LED Monitor

ASUS RT-N56U Wireless N Router (dual-band)

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List Price: $ 849.99
Price: $ 599.99