Samsung electronics SM-T590NZAAXAR Galaxy Tab a, 10.5", gray. The Galaxy Tab a 10.5" Is the tablet you'll want to get your hands on. Enjoy cinematic experiences on a wide screen with Dolby Atoms surround sound, listen to music or browse your favorite sites-and do it all at once. And with Google assistant plus a long-lasting, fast-charging battery, Your tablet keeps you going all day.