This is the cheapest SanDisk card you can buy and yet it delivers excellent quality and performance. The only difference between the Ultra and the Ultra Plus memory card is the maximum write speed. The Ultra lags by about 11MB/s with a top end write speed of 51MB/s compared to the 62MB/s of the Ultra Plus. Memory Card REVIEW: SanDisk Ultra Plus 64GB. SanDisk Ultra Plus memory card is a small upgrade from the SanDisk Ultra model. Offered with a variety of storage options the SanDisk Ultra Plus SD Card features 2X the speed of ordinary SDHC memory cards. The SanDisk Ultra has a 100 MB per second read speeds and rated at UHS-1. SD vs. SDHC vs. SDXC A memory card’s capacity is determined by the file system being used to store data designated by the type of card. SD (secure digital) cards are the oldest, least used and SanDisk 256GB Ultra Micro SD SDXC UHS-I Class 10 works with Samsung Galaxy S9 Memory Card S9+ Plus (SDSQUAR-256G-GN6MN)Bundle with (1) Everything But Stromboli Card Reader dummy SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-256G-GN6MA The Extreme series is the clear winner in the SanDisk Extreme vs Ultra battle when it comes to technical specs. It offers superior read and write speeds that are high enough to support smooth 4K video recording and high-speed burst modes. That said, while Extreme memory cards are a clear step up from the Ultra series they're still a level below Google is your friend There happens to be an article from 2017 (updated recently with new prices on affiliate links) where they tested exactly what you're asking. Spoiler: There's almost no difference between Extreme and Ultra, which means the added speed is wasted on the Switch. VSfEF.

difference between sandisk ultra and extreme