Related answers. sd/sdhc/sdxc specifications and compatibility; why do i see the sata link speed is 6.0 gb/s in device detail page when i connect the ssd to a usb 2.0 port using a sata-to-usb adaptor cable?. Sandisk ultra vs extreme. jan 18, 2016 i opened up amazon today to get a new 32 gb card for my mark3 and noticed that there are two lineups in sandisk, ultra and extreme.. Extreme (sdhc) products are also designed for high-megapixel digital cameras and high-definition camcorders. the main advantage of the extreme line over the ultra line is the file transfer speed. sdhc is twice as fast---up to 30 mb/s---as sdxc. as of 2010, the specification for sdhc limits these cards to 32 gigabytes in size..
Sandisk ultra promises “up to 48 mb/s” speed and sandisk extreme promises “up to 60 mb/s”. both cards are rated as class 10 and uhs-i enabled. sandisk extreme is more expensive than sandisk ultra, so let’s see if the price difference is worth the performance difference.. Sandisk micro sd - ultra vs extreme pro!! pandora unboxed. sandisk extreme vs. extreme pro comparing sandisk microsd card performance (ultra vs extreme). Sandisk ultra plus sdxc and sdhc uhs-i memory cards come with up to 128 gb 2 of storage and are resistant to water, extreme temperatures, x-rays, and shocks. a label allows you to note what's on the card for easy identification..