stop3 4 years ago #2. Ultra has slower read/write speeds than Extreme. They are both UHS-1, which is the standard that Switch uses, but the Ultra is U1 and the Extreme is U3. The main difference is that U1 Has slower minimum read/write speeds (and it’s minimum is really slow). Yes, the Switch can take advantage of the speeds of UHS-1 U3 (but Deal: SanDisk's 400GB microSD card drops to $190; WD introduces SanDisk Ultra microSDXC card with 400 GB capacity; SanDisk unveils 256GB microSD cards in Ultra and Extreme forms Both SanDisk Ultra and Extreme offer a great read and write speed. However, since Extreme provides a better read/write rate than Ultra, these memory cards are more suitable for devices that need faster speed, such as high-resolution cameras. Now, let us further discuss the two types of SanDisk memory cards. The Extreme Pro is faster than the Steam Deck SD card slot can handle, so it is usually a bad value. But it will work great with either. Get the one that's cheaper. :) losdreamer50. • 1 yr. ago. Thank you! That's what I was thinking. I guess it mostly comes down to how much I trust the guy in the ad. This tool has helped users compare many storage devices like SanDisk Extreme vs Extreme Pro, SDHC vs SDXC, U1 vs U3, and Intel 660p vs 970 EVO. MiniTool Partition Wizard Free Click to Download 100% Clean & Safe. Step 1. Plug your SanDisk A1 SD card into a card reader, and then connect it to your computer. Step 2. IczL.

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