Product Comparison: Lexar Professional 633x vs SanDisk Extreme PRO UHS-I


General Specifications
Brand
Lexar
SanDisk
Model
Professional 633x
Extreme PRO UHS-I
Origin
Korea
China
About the Product
Lexar Professional 633x SDHC/SDXC UHS-I cards let you quickly capture and transfer high-quality photos and 1080p full-HD, 3D, and 4K video, with a read transfer speed up to 633x (95MB/s). The cards leverage UHS-I technology for high-speed, Class 10 performance.
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.
Key Specs
Type
SDXC
SDXC
Capacity
128 GB
128 GB
Bus Type
UHS-I
UHS-I
Read Speed
95 MB/s
170 MB/s
Write Speed
45 MB/s
90 MB/s
What customers say about "Key Specs"
Lexar Professional 633x 128 GB Class 10 UHS-I Flash Memory Card
  • This card advertises all over its read speed (95MB/s), which is quite good.
  • Good read and write speed, I use it with my Nikon D810 and never suffered from any lag.
  • Excellent product with great transfer speeds.
  • The write speed, is very, very slow (20MB/s)!
  • The read and write speed are slower than I thought with this price.
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.
Size & Weight
Height
1.25 in.
1.26 in.
Width
0.95 in.
0.94 in.
Depth
0.08 in.
0.09 in.
Weight
0.3 oz.
0.3 oz.
Features
Speed Class
10
10
UHS Speed Class
U3
U3
Video Speed Class
V30
V30
Built-in Write-Protect Switch
Yes
Yes
Extras
High-speed file transfer, Temperature Extremes, Capture high quality images, Fast Video Capture
Shockproof, Temperature Extremes, Waterproof, X-Ray Proof, RescuePRO Deluxe Software, Lifetime Warranty
What customers say about "Features"
Lexar Professional 633x 128 GB Class 10 UHS-I Flash Memory Card
  • Very good transfer speeds and high quality pictures.
  • This is a great SD card and it's extremely fast.
  • Lexar works great and it solved the problem with a too small SSD disc. The transfer of files is fast and I'm happy.
  • Video features available to take high-quality, stunning images Full-HD 1080p, 3D and 4K video.
  • Stable, reliable and fast enough. Has great 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.
Warranty / Certifications
Manufacturer warranty
1 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
MSRP
36.99 $


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