My switch to the Samsung PRO Plus 128GB microSDXC V30 was amazing! I also love the Lexar Professional 1066x 128GB microSDXC V30 specs tho.

• Get V30 or V60
• Sequential speed is everything

I went through a phase where I was constantly getting those stuttering errors on my DJI Air 3 too, and honestly, it is terrifying when you are out over water or chasing a sunset. I learned the hard way that not all V30 cards are built the same when a cheap one I was using basically melted during a summer shoot. Now I am super cautious and stick to something that handles the heat better than the standard stuff you find at big box stores. I ended up grabbing the Kingston Canvas Go! Plus 128GB microSDXC V30 and havent looked back. It is well under your 50 dollar budget but feels way more stable than the mainstream stuff. One thing I have noticed is that these DJI drones get really hot, especially when you are pushing 4k60. If the cards controller cannot handle the thermal stress, it starts throttling the write speed, which is exactly where those slow card errors come from mid-flight. Be really careful where you buy them, tho. There are so many fakes on Amazon that look legit but are actually just rebranded trash. I always run a benchmark test on my PC before putting a new card in the drone. Also, I would suggest formatting the card inside the DJI Fly app every single time you clear it. Dont just delete files or format on your Mac... it keeps the file allocation table clean for the drones specific recording style. It definitely saves you from some unnecessary headaches.

bump

Interested in this too

Building on the earlier suggestion, I totally feel your frustration because I have had some really disappointing experiences with SanDisk lately too. Its like they just dont handle the heat of the Air 3 as well as they used to. Here is what actually works for me without those annoying speed errors...

• Samsung EVO Select 256GB microSDXC V30 is my go-to budget pick. Ngl i was skeptical because it is so cheap but it has been way more reliable than the Extreme Pro cards i replaced. Never had a single lag error with this one.
• Angelbird AV PRO microSD 128GB V60 is the real winner for reliability tho. It is specifically designed for sustained video capture and doesn't throttle when the drone gets hot during those long San Diego summer shoots. It is a bit more expensive but worth every penny for the peace of mind.
• ProGrade Digital microSDXC UHS-II V60 128GB is pricey but basically bulletproof. I swap this in when I am doing commercial stuff and just cannot afford a single glitch. Honestly just stay away from the standard retail cards you find at big box stores. Most of those V30 ratings are basically a lie when you are pushing 4k60 bitrates for 20 minutes straight.