SanDisk

SanDisk Extreme UHS-I U3 64GB SDXC Memory Card 150MB/s

4.7 (113 reviews)

Capture 4K video and high-speed burst photos with the SanDisk Extreme 64GB SD card delivering up to 150MB/s read speeds.

$35.98*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The SanDisk Extreme 64GB SDXC UHS-I U3 memory card is engineered for photographers and videographers who need a reliable, fast storage solution for their cameras and camcorders. With read speeds reaching up to 150MB/s, transferring large photo sets or lengthy video files from card to computer is quick and efficient — a practical advantage when working on tight deadlines or processing high volumes of content. The UHS Speed Class 3 (U3) and Class 10 ratings guarantee a minimum sustained write speed of 30MB/s, ensuring the card can keep pace with continuous 4K UHD video recording and rapid burst photography without buffering or dropped frames.

At 64GB, this card provides a practical middle ground between capacity and cost — enough to store thousands of high-resolution photos or several hours of HD video in a single shooting session. The full-size SDXC form factor ensures broad compatibility with DSLR and mirrorless cameras, camcorders, and laptops with built-in card readers. Backed by SanDisk's Lifetime Limited warranty, the Extreme 64GB offers the combination of proven performance and reliability that has made the Extreme line a staple in camera bags for both amateur and professional shooters who need consistent, dependable storage they can trust in the field.

Key Features

SanDisk Extreme 64GB UHS-I Class 10 U3 SDXC Memory Card - SanDisk Lifetime Limited

Capacity: 64GB

Read Speed: Up to 150 MB/s

Write Speed: Minimum: 30 MB/s - Up to 60 MB/s

Form Factor: SDXC

Specifications

Brand
SanDisk
Model
Extreme UHS-I U3 SD
Capacity
64GB
Form Factor
SDXC
Read Speed
Up to 150MB/s
Write Speed
Up to 60MB/s (Minimum 30MB/s)
Speed Class
Class 10, UHS Speed Class 3 (U3)
Warranty
SanDisk Lifetime Limited

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Pros & Cons

👍 Pros

  • Read speeds up to 150MB/s allow fast file transfers to your computer
  • U3 speed class ensures reliable 4K UHD video recording without dropped frames
  • 64GB capacity balances storage space and affordability for most shooting sessions
  • Backed by SanDisk Lifetime Limited warranty

👎 Cons

  • Maximum write speed of 60MB/s may bottleneck cameras with very high-bitrate recording modes
  • 64GB fills up quickly when shooting extended 4K video sessions
  • No V30 or V60 Video Speed Class marking, though U3 provides equivalent minimum write performance
  • Older speed tier compared to newer SanDisk Extreme models offering higher throughput

Frequently Asked Questions

This card offers read speeds up to 150MB/s and write speeds up to 60MB/s, with a minimum sustained write speed of 30MB/s guaranteed by its U3 speed class rating.
Yes, the UHS Speed Class 3 (U3) rating ensures a minimum sustained write speed of 30MB/s, which meets the requirements for recording 4K UHD and Full HD video without dropped frames.
This is a full-size SDXC card, so it fits standard SD card slots found in cameras, camcorders, and laptops. Devices with microSD slots would require a separate adapter.
Yes, the SanDisk Extreme 64GB comes with a SanDisk Lifetime Limited warranty.