Product Comparison: SanDisk Extreme PRO UHS-I vs SanDisk Extreme PRO UHS-II

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General Specifications
Extreme PRO UHS-I
Extreme PRO UHS-II
About the Product
Our most powerful SD UHS-I memory card yet delivers performance that elevates your creativity. With shot speeds of up to 90MB/s and UHS speed Class 3 (U3) recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video.
For super-fast continuous burst mode shots, maximum post-production workflow efficiency and high-performance video recording performance, get a SanDisk Extreme PRO SDXC UHS-II card. The high-performance SDXC memory cards boast shot speeds up to 260 MB/s and transfer speeds up to 300 MB/s.
Key Specs
128 GB
128 GB
Bus Type
Read Speed
170 MB/s
300 MB/s
Write Speed
90 MB/s
260 MB/s
What customers say about "Key Specs"
SanDisk Extreme PRO UHS-I 128 GB SDXC Memory Card
  • Read and write speeds cope with the 4K video and also writing 30MB raw files in high speed bursts without a flutter.
  • This card is a good price for this speed rating.
  • The data transfer speed is lightning quick.
  • Nice file transfer speeds and no glitches.
  • Very good writing speed and storage space is excellent.
SanDisk Extreme PRO UHS-II 128 GB Class 10 U3 SDXC Memory Card
  • Good writing speed for photography and uploading to PC.
  • Enough storage size for a good price.
  • Superb speed. I am a professional photographer for years and speed is always paramount when it comes to both write and read.
  • This card is lightning fast. It's pricey but the speed I gain from it and the time saving really justifies the spending for all my jobs.
  • Great memory card that is able to record 4k footage at a high data rate due to the read write speeds.
Size & Weight
1.26 in.
1.68 in.
0.94 in.
1.41 in.
0.09 in.
0.14 in.
0.3 oz.
0.3 oz.
Speed Class
UHS Speed Class
Video Speed Class
Built-in Write-Protect Switch
Shockproof, Temperature Extremes, Waterproof, X-Ray Proof, RescuePRO Deluxe Software, Lifetime Warranty
Lifetime Warranty, Backwards-compatible with SDHC, The SanDisk Memory Zone app, RescuePRO Deluxe Software, Shockproof, Temperature Extremes, Waterproof, X-Ray Proof
What customers say about "Features"
SanDisk Extreme PRO UHS-I 128 GB SDXC Memory Card
  • SanDisk has built its reputation on reliability and that's exactly what I needed.
  • I use these to record 4K video and I don't have any problems at all with them.
  • The writing and read speeds are great. Managed to film 4K 100mbps with no problem.
  • Perfect SD card for my EOS. Correct speed for 4K and shots.
  • I find it smooth for my highest need at 100mb of 4k videos.
SanDisk Extreme PRO UHS-II 128 GB Class 10 U3 SDXC Memory Card
  • I feel safer using this card, it seems based on my experience with other brands that there's a lower chance of SanDisk Extreme Pro cards malfunctioning.
  • It's as fast as you'd hope. The buffer clears almost instantly after a burst of raw photos, and video files transfer to my Mac amazingly quickly.
  • Came with some free recovery software via download code.
  • I’ve been using this to record 4K 60fps video on a GH5 and it handles it fine.
  • This card is fast and great value for money.
Warranty / Certifications
Other Information
36.99 $
199.99 $

Other reviews