iPad 3rd Gen 4G
iPad 2nd/3rd/4th Gen Home Button with Spring
External button face with attached spring
iPad 2nd and 3rd Gen Home Button Assembly
This part contains the the plastic home button, mounting bracket, control board and spring.
iPad 2nd/3rd/4th Gen Volume Button
Just the plastic button by itself.
iPad 2nd, 3rd, and 4th Gen Lock/Silent Switch Cover
External switch face only, not the cable or switch itself.
iPad 2nd and 3rd Gen Home Button Control Board
This part has the actual home button mechanism.
iPad 3rd Gen Home Button
The plastic button by itself.
Apple released the iPad 3rd Gen 4G on March 16, 2012. Changes include the new A5X processor, an upgraded 5 megapixel rear-facing camera, and a higher resolution 'retina' display. The iPad 3rd Gen 4G includes 802.11n wireless and 3G and 4G capabilities (service is subject to carrier and local availability). This iPad model was offered in 16, 32, or 64 GB capacities with color options of white or black.