Ultra seems to be SDXC, while Extreme is SDHC. The 3DS supports SDHC up to 32 GB, but I'm not so sure abot SDXC. Also, the ultra has speeds up to 15 MB/s, while the Extreme can do up to 60 MB/s. The ultra does have advantages in certain situations, but I think the extreme is better for the 3DS. The extreme pro can do up to about 90 MB/s, so I Lexar Professional 800x 32GB Compact Flash UDMA7 / Lexar Professional 400x 16GB Compact Flash UDMA / Sandisk Extreme III Compact Flash 8GB / Sandisk Extreme SD 16GB / Sandisk Ultra SD 16GB; Hama Lens Pen; Fairy tale LED lights (!!!!) Apple MacBook Pro 13″: actually this is the only computer I use, small, light, powerful. I bring it everywhere The slowest cards I’ve used with 1st-gen X100’s are Sandisk 80MB/sec, just because those were cheap, plentiful and well-reviewed when I bought them. Ultra vs Extreme have to do with the speeds of the cards, though I don’t remember how fast these are - the speeds are printed on the card labels. However, games are made up of thousands upon thousands of unique pieces of data (whether as separate files, or combined to make much larger files), so when games are in their loading phases, chances are the Extreme will still out-perform the Ultra by quite a bit as shown by the bottom row in the table in the link. Hola que tal amigoooo!En esta ocasión pusimos a prueba la memoria micro SD SanDisk Extreme Pro de 128 GB, el resultado los va a dejar anonadados de la menuda please comment which one you liked.Which DSLR SD CARD TO BUY ? SanDisk Ultra vs Extreme memory cards explained by SHADY !Memory cards for camcorders or power This is ultra-fast and has a read speed of 100MB per second and a write speed of 90MB per second. You can transfer a 3GB video in just 38 seconds. Samsung Evo Plus. The read speed is the same at 100MB per second, but the writing speed is less at 60MB per second. The Winner Is – The Samsung Evo Select Confusingly, there’s also the UHS bus type. For ultra-fast SD cards, these are probably more relevant. UHS-I cards have a theoretical maximum of 104 MB/s, while UHS-II cards top out at 312 MB/s. Compare SanDisk Extreme PRO vs SanDisk Extreme vs SanDisk Ultra vs SanDisk Extreme Plus Built-in Write-Protect Switch . Yes — — On Adapter Only . A: Hi Lucas, thanks for reaching out about SanDisk 128GB microSDXC Memory card, Licensed for Nintendo Switch. SDXC and microSDXC cards are not considered compatible with Nintendo 3DS XL. If you have any additional questions, we welcome you to contact MyTGTtech at 833-848-8324 every day, between 7am-11pm CST. qCTTS7.