There is no question that Sandisk makes some of the best SD memory cards in the world, and the Sandisk Extreme Pro is their flagship / top-performing UHS-I memory card. With in-camera performance and speed, it almost always out performs all other brands, making the Sandisk Extreme Pro U3 memory card the best card you can buy for UHS-I devices.
Sandisk Extreme Pro UHS-I Memory Card Sizes
The Sandisk Extreme Pro U3 V30 UHS-I memory card can be found in five sizes – 32GB, 64GB, 128GB, 256GB and 512GB. Keep in mind the 32GB and the 16GB cards will be SDHC instead of SDXC, so they will use Fat32 as the file system and the cards will have the 32-bit 4GB file size limit. You can still find some older 8GB and 16GB cards floating around but they have been discontinued.
| Memory Card Name | 32GB | 64GB | 128GB | 256GB | 512GB |
| Sandisk Extreme Pro SD Memory Card | Amazon | Amazon | Amazon | Amazon | Amazon |
| B&H | B&H | B&H | B&H | B&H |
Real World Memory Card Performance
Not only does the Sandisk Extreme Pro card usually have the fastest USB 3.0 read and write speeds when tested with all the best memory card readers, but it also almost always has the fastest in-camera performance. This makes the Sandisk Extreme Pro always a great option for anyone looking for very fast and reliable UHS-I memory card.
| Memory Card Name | USB 3.0 Read | USB 3.0 Write |
| Sandisk Extreme Pro SD Memory Card | 98.6 MB/S | 90.8 MB/S |
Compatibility
Speed Class: U3 / Class 10
Some of the newest version are now labeled V30.
UHS-I devices
Reliability
Limited Lifetime Warranty
