Right now, you can buy the LCD Steam Deck for $319 on Steam. I’ve been championing the Steam Deck since it launched, so this is an easy recommendation for me to make. Here’s why you should buy the LCD Steam Deck. Valve Steam Deck: was $399 now $319 at store.steampowered.com The Valve Steam Deck mostly delivers on its promise of allowing you to play PC games on the go. Inside, this Steam Deck packs an older AMD Zen 2 “Van Gogh” APU, 16GB of RAM and 256GB of SSD storage.