Went to the USA warranty registration site and put in touchpad to search for product name or number and it gave the list below. Shows Go and 3/4g devices.

HP TouchPad Case

HP TouchPad

HP TouchPad 4G

HP TouchPad Go

HP TouchPad Go 3G

HP TouchPad Slipcase

HP TouchPad Wireless Keyboard

Touch Pad - APD Prosignia 190

Touch Pad Prosignia 170

Touch Pad Prosignia 170 APD

Touch Pad Prosignia 190