The Samsung Galaxy Tab Pro 8.4 is an 8.4-inch Android-based tablet computer produced and marketed by Samsung Electronics. It belongs to the high-end "Pro" line of the Samsung Galaxy Tab series, which also includes a 10.1-inch and a 12.2-inch model, the Samsung Galaxy Tab Pro 10.1 and the Galaxy Tab Pro 12.2. It was announced on 6 January 2014, and was released in the US on 19 February, starting at $399.