gaming device, Steam Deck, microSD card, high-speed, UHS-I interface, Class 10, fast read and write speeds, expandable storage, portable gaming, seamless gameplay, durable, reliable, heat resistance, waterproof, shockproof, x-ray proof, in-game texture loading, quick save transfers, 3D games, high-resolution assets, efficient data management, smooth performance, handheld console, gaming on-the-go, memory card slot, user-replaceable, essential accessory, gaming optimization, high-capacity storage options, up to 2TB support.