Amazon Fire HD 8 Tablet with Alexa Extra $30 Off Special Offer Coupon Code. Amazon Fire tablet comes with up to 12 hours of battery life. It has a vibrant 8″ HD display. It is powered by a 1.3 GHz quad-core processor. It is loaded with 1.5 GB of RAM, and Dolby Audio. You can choose ROM 16 or 32 GB. Need more internal storage then use microSD for up to 256 GB of expandable storage. Alexa gives you quick access to the information and entertainment. You can Ask questions, play music, check your calendar, get the news, weather, and more – just press the home button and ask Alexa.