Lenovo ThinkPad T520 laptop i5-2520M 2.5GHz 4GB 500GB WebCam 15.6" Win 7 Pro 30 Day Warranty Free Shipping! Fresh install of Windows 7 Professional (64 Bit) with COA Includes Lenovo Power Adapter WIFI, DVD/RW In excellent condition. Brand ThinkPad Series T Series Model T520 (42404AU) Part Number 42404AU Quick Info Color Black Windows 7 Professional 64-bit Intel Core i5-2520M 2.5GHz Screen 15.6" 4 GB DDR3 500 GB DVD±R/RW Intel HD Graphics 3000 Shared memory Communication Modem, Gigabit LAN and WLAN Card slot 1 x Express Card/34 Battery Life Up to 7.7 hours Dimensions (W x D x H) 14.68" x 9.65" x 1.25" - 1.40" Weight 5.54 lbs General Tech Hyper-Threading technology Intel vPro Other Features Fingerprint reader & Secure Chip Wireless WAN upgradable CPU CPU Type Intel Core i5 2nd Gen 2520M (2.50 GHz) Core Name Sandy Bridge CPU Support 3MB L3 Cache Turbo Boost up to 3.20GHz Chipset Chipset Intel QM67 Display 15.6" Yes 1366 x 768 LCD Features LED backlight, anti-glare Operating System Operating System Windows 7 Professional 64-bit Graphics Intel HD Graphics 3000 Video Memory Shared system memory Integrated Card Storage HDD 500 GB HDD RPM 7200 RPM HDD Interface SATA Memory 4 GB Memory Speed DDR3 1333 Memory Spec 4 GB x 1 Memory Type 204-Pin DDR3 SO-DIMM Memory Slot (Total) 2 Memory Slot (Available) 1 Max Memory Supported 8 GB Optical Drive Optical Drive Type DVD±R/RW Optical Drive Interface Integrated Optical Drive Spec DVD burner, 12.7mm Ultrabay Enhanced, removable Communications Modem V.92 56K 10/100/1000Mbps Intel Centrino Advanced-N 6205 802.11a/b/g/n wireless Bluetooth 3.0 Ports Card Slot 1 x Express Card/34 USB 4 x USB 2.0 (one powered) IEEE 1394 IEEE 1394 FireWire 400 (4-pin connector; 1394a-2000 standard) Video Port 1 x VGA, 1 x DisplayPort Audio Ports Combo audio/mic jack Audio Audio High Definition (HD) Audio Built-in dual array microphone Speaker Internal Stereo speakers, 1 watt x 2 Input Device Touchpad ThinkPad UltraNav Keyboard 7 row, 89-key, ThinkVantage button, spill-resistant, multimedia Fn keys, ThinkLight Pointing Stick TrackPoint pointing device HD720p Camera Card Reader 4-in-1 reader (MMC, SD, SDHC, SDXC) Power AC Adapter 65-watt AC adapter Battery 6-cell lithium ion Battery Life Up to 7.7 hours Dimensions & Weight Dimensions (W x D x H) 14.68" x 9.65" x 1.25" - 1.40" Weight 5.54 lbs