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Lexar Professional 633x vs SanDisk Extreme PRO UHS-I

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

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

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Best Pick

SanDisk Extreme PRO UHS-I 128 GB SDXC Memory Card

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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

Capacity

128 GB

Bus Type

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.

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

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

Other Information

Manufacturer

Link

Manual

Download

MSRP

36.99 $