Steam DeckのSSD交換 - iFixit 修理ガイド,Upgraded the 64gb to a 256gb, went pretty smooth and simple, only problem I ran into was removing the side clips of the decks casing, it just wouldn't budge. : r/SteamDeck,How To Upgrade The SSD For Your Steam Deck - 64GB to 512GB!,SteamDeck LCDモデル やすく 64GB ※512GBに換装済み,Steam Deck (64GB Model)- System Review – Seafoam Gaming