The Specs

Processor
Number of Processor Cores Dual-Core
Number of Installed Processors 1
Cache Size 3 MB
Processor Speed 3.1 GHz
Storage
Number of Hard Drives Included 1
Hard Drive Capacity 500 GB
Warranty
Warranty Information 3 year(s)
More Info
URL http://www.lenovo.com/us/en/
Memory
Memory Socket SODIMM
Memory Technology DDR3 SDRAM
Max System Memory 8 GB
Installed Memory 4 GB
Dimensions
Height 16.2 in
Width 20 in
Depth 4 in
Weight 16.4 lbs
Quick Glance
Included Drives DVD+-RW
Chassis Style All-In-One
Included Devices Integrated Webcam|Keyboard|Mouse
Display Type LCD
Video Chipset Intel HD Graphics 2000
Operating System Windows 7 Professional
Processor Class Intel Core i3
Green Compliance Energy Star|EPEAT Gold|GREENGUARD|RoHS
Modem / Networking
Included Network Card Gigabit Ethernet|Wireless Ethernet - IEEE802.11b|Wireless Ethernet - IEEE802.11g|Wireless Ethernet - IEEE802.11n
System
Interface Connection Audio - Line In (1/8" Mini)|Audio - Line Out (1/8" Mini)|Audio - Microphone In (1/8" Mini)|DisplayPort|Ethernet - RJ45|USB - Universal Serial Bus 2.0
Drive Controllers Serial ATA
Display
Max Resolution 1600 x 900
Display Size 20 in