Lenovo Product Line: ThinkPad Product Series: X220 Product Model: 42992ZU Product Name: ThinkPad X220 42992ZU Tablet PC Mobile Technology: Centrino 2 vPro Product Type: Tablet PC Processor Manufacturer: Intel Processor Type: Core i7 Processor Model: i7-2620M Processor Speed: 2.70 GHz Processor Core: Dual-core (2 Core) vPro Technology: Yes Cache: 4 MB Standard Memory: 4 GB Maximum Memory: 8 GB Memory Technology: DDR3 SDRAM Memory Standard: DDR3-1333/PC3-10600 Memory Card Reader: Yes Hard Drive Capacity: No Solid State Drive Capacity: 128 GB Hybrid Hard Drive Capacity: Not Applicable Optical Drive Type: No Optical Media Supported: Not Applicable Dual-Layer Media Supported: Not Applicable Labeling Technology: Not Applicable Screen Size: 12.5" Screen Mode: WXGA Display Screen Type: Active Matrix TFT Color LCD Aspect Ratio: 16:9 Screen Resolution: 1366 x 768 Backlight Technology: LED Touchscreen: Yes Multi-touch Screen: Yes Digitizer: Yes Graphics Controller Manufacturer: Intel Graphics Controller Model: GMA HD 3000 Graphics Memory Accessibility: Shared WWAN Supported: Yes Wi-Fi: Yes Wi-Fi Standard: IEEE 802.11a/b/g/n Bluetooth: Yes Bluetooth Standard: Bluetooth 3.0 Ethernet Technology: Gigabit Ethernet DisplayPort: Yes Webcam: Yes Finger Print Reader: Yes Operating System: Genuine Windows 7 Professional Operating System Architecture: 64-bit Number of Cells: 6-cell Maximum Battery Run Time: 8.80 Hour Color: Black Form Factor: Convertible Weight (Approximate): 3.97 lb Package Contents: ThinkPad X220 42992ZU Tablet PC Lithium Ion Battery AC Adapter Stylus Green Compliant: Yes Green Compliance Certificate/Authority: Energy Star Dimensions: 15.25x12.75x4.75