Accessory guide

Steam Deck OLED first-week accessories checklist

Baseline/spec-informed guidance for new Steam Deck OLED owners. I did not run fresh hands-on accessory tests for this page, so treat the picks as a buying order and spec checklist rather than measured benchmark recommendations.

Disclosure: shopping links are generic Amazon/search links marked sponsored/nofollow. Handheld Settings Lab does not claim hands-on testing or endorsement for any specific accessory on this page.

Fast answer: buy storage and charging basics first, then wait on docks, controller mounts, skins, keyboards, and travel cases until you know where you actually play. Valve lists Steam Deck with a UHS-I microSD slot and a 45W USB-C PD3.0 power supply, so those two specs should anchor the first shopping pass.

Buy in this order

Week-one essentials
  • microSD card: useful overflow storage for indies, emulation files you legally own, screenshots, and games you rotate less often.
  • USB-C PD charger or backup cable: match or exceed the Deck's 45W charger expectation from a reputable brand.
  • Screen protection: consider a protector if the Deck travels in bags, backpacks, or shared spaces.
  • Small cleaning kit: a microfiber cloth is boring, cheap, and more useful than most novelty accessories.
Wait until you know your habits
  • Dock: wait unless you already know you will play on a TV/monitor or need Ethernet.
  • Keyboard and mouse: useful for desktop mode, launchers, and mods, but not mandatory for week one.
  • Large power bank: helpful for flights and long trips; unnecessary if you mostly play near outlets.
  • Grips, skins, and stands: comfort is personal, so avoid buying three versions before you learn the problem.

Storage: choose a card for convenience, not magic frame-rate gains

Valve's tech specs list the Steam Deck microSD slot as UHS-I with SD, SDXC, and SDHC support. For buying, that means a reputable card from a known seller matters more than chasing suspiciously cheap high-capacity listings. Look for clear capacity, return policy, and application-performance labeling such as A2 where available.

Keep your biggest, most patch-heavy games on internal storage when possible, then use microSD for smaller titles, travel backups, and games where load times bother you less. If you need to plan exact capacity, use the storage planner calculator and leave 15%–20% free space.

Power: shop around 45W USB-C PD or better

Valve lists the included Steam Deck power supply as USB-C PD3.0, 45W. For replacement chargers and multi-port travel bricks, the practical checklist is simple: USB-C Power Delivery support, enough wattage on the port you will actually use, a trustworthy cable, and room for other devices if you charge a phone or earbuds at the same time.

Docked play: buy for your display, not for a spec sheet

If the Deck will live on a TV or monitor, a dock can be worth buying early. If you mainly play handheld, wait. A practical dock checklist is: USB-C passthrough charging, HDMI or DisplayPort matching your screen, enough USB-A ports for controllers/dongles, and Ethernet if your Wi-Fi is unreliable.

For a deeper setup path, use the Steam Deck docked TV and monitor guide.

Accessory shopping starting points

These are search links, not product endorsements or hands-on picks:

Search Steam Deck microSD cardsSearch 45W USB-C PD chargersSearch Steam Deck docksSearch OLED screen protectors

Skip these until later

Source checks

Next step: if you only buy one thing today, choose storage or charging based on your first pain point. Add docks and comfort accessories after a week of real play.