Great.I have Dell latitude E5520 too.Here is the specifications for the lap top. 
  
Processor: Intel Core i3-2330M (2.20GHz, 3Mb Cache, Dual Core) 
Chipset: Mobile Intel HM65 Express Chipset 
Display: 15.6†High Definition (1366x768) AntiGlare LED Backlit Display 
Memory installed: 4GB 1333MHz DDR3 Dual Channel Memory (1x4096MB dimm) 
Slots / Max memory: 2 DIMM memory slots, up to 8GB 1333MHz DDR3 Memory 
Hard Drive: 500Gb 2.5†SATA (7.200 rpm) Hard Disk Drive 
Optical Drive: 8 x DVD+/-RW Drive 
Video Controller: Integrated Intel HD Graphics 3000 
Multimedia: High Quality Speakers; Stereo headphone/Microphone combo jack; Integrated, noise reducing array microphone; Integrated Full HD Camera with Microphone 
Wireless: Dell Wireless 1501 (802.11 b/g/n 1x1) Mini Card 
Bluetooth: Dell Wireless 375 Bluetooth 3.0 Card 
Network Card: Integrated 10/100/1000 Gigabit Ethernet Controller 
Slots & Ports: 4 x USB 2.0 (1 USB/eSATA combo), VGA, HDMI, RJ-45, 1394 Connector, Docking Connector, Stereo Headphone/microphone, Memory card reader, 34 mm ExpressCard/SmartCard Reader 
Battery: 6-Cell 60WHr LI-ION Primary Battery 
Power Supply: Dell 65W AC Power Adaptor  
Keyboard: Internal Qwerty Backlit Dual Pointing Keyboard (number pad, antimicrobial) 
Palmrest: Dual Point with Fingerprint Reader