The Extreme PRO can achieve a write speed of 170MB/s and a read speed of 100MB/s, and the U3 class keeps things moving at a steady pace. There may be a little variation here and there, but it's overall a fast card. Since it's a high-performance card, the Extreme Pro can also support up to 4K resolution. The Sandisk extreme is at around $172 USD today on Amazon, but the Samsung Evo Select 512GB is about $52 I think which is a really good deal and A2 as well. Thanks everyone! Appreciate it. I don't have a Deck yet, but if you check the tests out there they can show you what the differences are. A not fake one. 64GB SanDisk Extreme - Read Speed: 160MB/s, Write Speed: 60MB/s, Video Speed: C10, V30, U3, A2, Form Factor: microSDXC. 64GB SanDisk Extreme Plus - Read Spead: 170MB/s, Write Speed: 90MB/s, Video Speed: C10, U3, V30, Form Factor: microSDXC. The Extreme Plus is capable of slightly faster Read Speeds, and a third faster Write Speeds, than the 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 Lexar Professional 1066x 256GB microSDXC UHS-I Card w/ SD Adapter, C10, U3, V30, A2, Full HD, 4K UHD, Up to 160MB/s Read, for Action Cameras, Drones, High-End Samsung Galaxy S23 Ultra review: One of the best smartphones of the year; Sandisk Extreme microSD card: To store a ton of files affordably : Sandisk Extreme Pro MicroSDXC card: Writing speed is capped at 70MB/s. 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 .

sandisk ultra vs extreme microsd