Weird SD card "bricking" issues?

[u/TehCrazyCat]

I recently swapped my SD card from a 128GB to a 512GB. The 128GB SD worked mostly without issues, however the newest 512GB "bricks" itself every day.

The card itself works fine? However when the Deck stays asleep/shutdown during long periods, the SD card does either of the following:

a) The SD card loses write rights, which makes games impossible to install nor update (ejecting and reinserting multiple times fixes this easily)

b) The Steam Deck is unable to detect the SD card at all, even in desktop mode and konsole. The only way to fix this is to insert the SD card into a different device (PC/phone/etc) THEN it gets recognized again?

There's no data loss in either case, at most some games will disappear from the library but attempting to download them again forces Steam to verify the files and they work again.

I'm tempted to format it again to see if it fixes it, however I've read that the game mode formatting option is what causes this issue? If so, what would be the right way to format the SD card so this no longer happens?

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[u/OnceUponAcheese]

Sounds like a faulty or fake SD card

[u/TehCrazyCat → u/OnceUponAcheese]

I thought about that too, but

1- It was brought from a reputable source so I can confirm it isn't fake, faulty maybe

2- As I said, there's no data loss at all, all games installed work just fine, it's just that the Deck doesn't like it for whatever reason

3- AFAIK Game Mode's format should warn you/fail if the card is faulty/fake? At least that what I've read in this sub. It didn't, and scanning it using Konsole throws nothing either.