We should have the MSRP on the 28th, true pricing probably won't be formally revealed until closer to launch date.
Leaked pricing has 9070xt starting at $750 and 9070 starting at $650 which is underwhelming if the 5070 and 5070ti are available for near MSRP by then.
Have you tried using automotive rated SD cards? They're intended to last in dashcams with tons of daily writes so they might hold up better if you were using normal SD cards.