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

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Lexar Professional 633x 128 GB Class 10 UHS-I Flash Memory Card

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SanDisk Extreme UHS-I 128 GB SDXC Memory Card

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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

Capacity

128 GB

Bus Type

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

UHS Speed Class

Video Speed Class

V30

Built-in Write-Protect Switch

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

Other Information

Manufacturer

Link

MSRP

28.99 $