SanDisk 128GB Extreme PRO® microSD™ UHS-I Card with Adapter C10, U3, V30, A2, 200MB/s Read 90MB/s Write SDSQXCD-128G-GN6MA $18.84 (6,424) Only 1 left in stock - order soon. Shop quick and easy digital gifts. SanDisk Extreme Pro SDXC UHS-I U3 A2 V30 128GB + Adapter, SDSQXCY-128G-GN6MA. Thursday, Dec 21. According to the comparison of best-selling Lexar and SanDisk SD cards, we can find that the two SD cards have different data speed even with the same U-rating and card type. For example, a Lexar Professional 1667x UHS-II SDXC card has the maximum read and write speeds of 250 MB/s and 120MB/s, while a SanDisk Extreme Pro UHS-II SDXC card has 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 The Ultra cards have a R/W speed of 100/40 MB/s which is enough for playing games without lag, but downloading and moving game to the card would take up a lot of time. The Extreme cards have 2 versions, old and new. You can only see which one it is by checking the R/W speed in the description. Western Digital offers various series of SanDisk microSD cards, including SanDisk Ultra, SanDisk Extreme, SanDisk Extreme Pro, etc. But only the SanDisk Ultra, SanDisk Extreme, and SanDisk Extreme Pro series are famous. Here is a comparison table between them. SanDisk Ultra vs SanDisk Extreme vs SanDisk Extreme Pro Specs (Updated in July 14, 2021) So if 1TB flash drives aren’t portable enough for you, we’ve put together this list of the best genuine 1TB MicroSD cards worth buying! Top Picks. Overall Best 1TB MicroSD Card: SanDisk 1TB Ultra microSDXC. Best 1TB MicroSD Card (High-End Pick): SanDisk 1TB Extreme microSDXC. Best Cheap 1TB MicroSD Card Alternative: 2 x SAMSUNG EVO Select The back lower part of a SanDisk package that shows all relevant information, including proper UPC. Keep in mind that if the package looks fake, the product itself is most likely fake. Inspect Memory Card: If you don’t have the product packaging anymore, the next step is to visually inspect the memory card itself. The main difference between SanDisk Ultra and Sandisk Extreme is their ability to record video. The Extreme model lets you shoot 4K UHD videos, whereas the Ultra card only supports HD 1080p filming. The Extreme card has better read/write speeds and can transfer data more quickly. With this in mind, let’s jump right into taking a deeper look The Extreme microSD card is optimized for apps that help in faster app launching. It comes with the convenient SD card adapter, which makes it compatible with any device that has an SD card slot. For peace of mind, Sandisk offers an unlimited warranty on this card. Like SanDisk Extreme, SanDisk Ultra microSD cards are also waterproof The SanDisk Extreme usually has a maximum write speed of 60 MB/s, although some versions can make it to 90 MB/s as well (this depends on capacity). The Extreme Plus usually has a maximum write speed of 90 MB/s. Again though, both of these speeds are quoted by SanDisk, with real-world write speeds pretty similar in pracice. uMY1zB.