USB2.0と3.0で端子は図のように2.0と共通の接点とその奥に3.0の接点があるから、ゆっくり挿すと「コイツは2.0かな？3.0だったりする？」って確認の完了までに3.0の接点が来てないから2.0としての利用が始まる
— たーぽん ࣩࣩࣩࣩࣩࣩࣩࣩࣩࣩࣩࣩࣩࣩ֮֮ࣨࣨࣨࣨࣨࣨࣨࣨࣨ@日常ツイート&Warframe垢 (@tarpon2525) May 2, 2021
素早く挿せば3.0の接点もチェック時間内に接触できてるので3.0で認識するという仕組みですね pic.twitter.com/26xflzNhDO
The user bought a new SSD to use in PS4 but got detected as USB 2.0 so PS4 can't format it.
Finally, with internet help, he can format it by quickly inserting the USB.
As shown in the picture, USB 2.0 and 3.0 have a common contact point for 2.0 and a contact point for 3.0 at the back. If you insert it in slowly, the 3.0 contact won't be recognized by the time the confirmation process is complete, so it will start as 2.0.
If you insert it quickly, it will be recognized as 3.0 because the 3.0 contact is made within the check time.
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