According to Best Buy's website they have two models of the iPad Air 3 10.5, one has 3GB and the other has 4GB. Is this a typo or are there actually two different models with different amounts of RAM? Apple tech specs don't mention how much RAM is in their iPads and iPhones.
Link 1: https://www.bestbuy.com/site/certified-refurbished-apple-ipad-air-10-5-inch-3rd-generation-2019-wi-fi-64gb-silver/6444988.p?skuId=6444988
Link 2: https://www.bestbuy.com/site/certified-refurbished-apple-ipad-air-10-5-inch-3rd-generation-2019-wi-fi-64gb-silver/6444988.p?skuId=6444988
Link 1: https://www.bestbuy.com/site/certified-refurbished-apple-ipad-air-10-5-inch-3rd-generation-2019-wi-fi-64gb-silver/6444988.p?skuId=6444988
Link 2: https://www.bestbuy.com/site/certified-refurbished-apple-ipad-air-10-5-inch-3rd-generation-2019-wi-fi-64gb-silver/6444988.p?skuId=6444988