• Lenovo Battery Stretch lets you make temporary selections in extreme situations to extend battery life.
• NVIDIA® Graphics with Optimus™ technology (optional) gives you the graphics power you want with the battery life you need.
• Solid-state storage drives (optional) offer greatest performance with lower risk of failure.
• Optimized battery-life increased 30% through power reduction to unnecessary hardware features, while playing DVD, MP3, or streaming  from the Web.
• Green Power Scheme and ThinkPad EnergySaver technology allow you to achieve green power-saving standards and preserve mobile computing time.

• Intel® HD 3000 graphics provides provides 2x better graphic performance than previous generations.
• Intense graphics and extended battery life.^†NVIDIA® Optimus™ technology automatically switches to the built-in NVIDIA graphics card only when you need powerful graphics performance. Whether you're putting together a visually intensive presentation on a long-haul flight, heading up three floors to share the latest multimedia design, or you're in a meeting that runs way over schedule, you know you'll get the most out of your battery life.^†
• Support up to four screens with NVIDIA Optimus technology (optional) .^†
• LED backlit displays are mercury-free and generate 25% brighter displays, boast crisper colors, consume less power and weigh 70 grams less than conventional CCFL displays. Use the wide dimming range to reduce brightness while still experiencing a clear display in dim environments.
• Dolby® Home Theater® with virtual surround sound technology.^†
• 16:9 aspect ratio with new HD LCD format enhances your viewing experience. Plus, the T520 features a high-end resolution FHD option with 95% color gamut for true color.^†
• DisplayPort video connector lets you attach a high-resolution digital display to your notebook. Use this next-generation display interface technology for everything from monitors to TVs to projectors and it even supports audio.

Specifications