The Samsung Galaxy Tab S3 will cost $600 in the United States. This information comes from retailer Best Buy, which has the Wi-Fi-only model listed on its website. The tablet isn't available for purchase yet, and the listing doesn't reveal an exact launch date - it just says "coming soon." The Samsung Galaxy Tab S3 is available to pre-order in Germany, where the Wi-Fi-only model carries 679 price tag, while the LTE model costs 769. Pre-orders are also up in Canada, where the tablet (Wi-Fi model) costs CAD 799.99 (around $595). Shipments in both countries begin March 24...
Source: http://www.gsmarena.com/samsung_galaxy_tab_s3_to_cost_600_in_us-news-23942.php