Here’s a great deal on a Kindle Fire HDX just in time for school. Amazon has go the Kindle Fire HDX tablet with 4G connectivity for just $229. That’s $100 off the list price of $329! The Kindle Fire HDX is available with either AT&T or Verizon 4G LTE compatibility, and of course comes with built-in Wi-Fi for connecting at home, school, or local Wi-Fi hotspots. The model on sale for $229 is the 16GB configuration, with 7″ HDX display (1920×1200), fast 2.2GHz quad-core processor, Adreno 330 graphics processing unit, and 2GB RAM. They’ve also got the 32GB and 64GB models on sale, each for $100 less than the list price. The 32GB is priced at $269, while the 64GB is priced at $309. The Kindle Fire HDX tablets come with Amazon’s “Mayday” button that provides tech support 24 hours a day. We don’t know how long this sale will last, so jump on over to Amazon while you can. [Update: This deal has expired.]