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


General Specifications
Brand
Lexar
SanDisk
Model
Professional 633x
Extreme 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.
Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the 128GB Extreme UHS-I SDXC Memory Card from SanDisk has a capacity of 128GB, is compatible with the UHS-I bus.
Key Specs
Type
SDXC
SDXC
Capacity
128 GB
128 GB
Bus Type
UHS-I
UHS-I
Read Speed
95 MB/s
150 MB/s
Write Speed
45 MB/s
70 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 UHS-I 128 GB SDXC Memory Card
  • I like this card it works great for recording all kinds of video formats and MB/s.
  • It is just the right size and speed I am looking for.
  • Works exactly at the speed that it says it does.
  • Fast upload and download speed.
  • The speed of the card does not allow it 18 MB/s.
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.
0.1 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
Lifetime Warranty, Perfect for 4K UHD video, RescuePRO Deluxe Software, Waterproof, Shockproof, X-Ray Proof, Temperature Proof
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 UHS-I 128 GB SDXC Memory Card
  • SanDisk has a good warranty policy for replacement if the card dies.
  • This is a great card for starter cameras and photographersand even some video functions on cameras.
  • It has a pretty fast speed, with a V30/U3 rating. Perfect.
  • It works perfectly for video recordings in 4k.
  • I have found this card fast enough for 4k video capture.
Warranty / Certifications
Manufacturer warranty
1 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
MSRP
28.99 $


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