The Lenovo ThinkPad T520 is perfect for the businessperson on the go. With the Windows XP 64-bit operating system, you can bring all the power of your desktop computer with you wherever you go. The T520's display is a 15.6-inch LED-backlit LCD screen with a resolution of 1366x768. This black Lenovo ThinkPad supports a dual independent display. A large hard drive capacity of 500 GB and 4096 MB of installed RAM guarantees enough memory to store your projects and presentations. The Intel Core i5 2nd Gen processor runs at a speed of 2500 MHz, which lets you work quickly and stay focused. Not only will the user find that they can create documents with ease, but the audio components of this notebook are outstanding as well. There is a dual array microphone and High Definition Audio Conexant 20672 Codec/Stereo Speakers with a combo audio/microphone jack. The fingerprint reader will ensure that all of your confidential information stays protected.