SanDisk
SanDisk 256GB Extreme Pro SD Card EOS 90D M6 II
★★★★★
4KUHD
High-speed 256GB SD card with 170MB/s reads built for 4K video and burst photography.
$79.08*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Key Features
Bundle includes (1) 256GB SanDisk SD Extreme Pro Memory Card and (1) Everything But Stromboli (TM) 3.0 SD and Micro (TF) Card Reader
Compatible with Canon Digital or Mirrorless Cameras such as Canon EOS M6 Mark II, EOS 90D, EOS R, and EOS RP
UHS speed Class 3 (U3) and video speed Class 30 (V30) for 4K UHD video
Class 10 card, UHS-I; Can read speeds of up to 170MB/s speed. Write speeds of up to 90MB/s
Includes a 3.0 SD and Micro Card Reader for quick uploading/downloading your files, videos, and photos!
Specifications
Capacity
256GB
Card Type
SDXC
Speed Class
Class 10
Read Speed
Up to 170MB/s
Write Speed
Up to 90MB/s
Durability
Waterproof, Temperature-proof, Shockproof, X-ray proof
Compatibility
Canon EOS Cameras (SDXC-compatible devices)
Included Accessories
SD and Micro Card Reader
Pros & Cons
👍 Pros
- 170MB/s read speed enables rapid file transfers and quick image review
- 256GB capacity stores thousands of high-resolution photos or extended 4K video
- Waterproof, shockproof, temperature-proof, and X-ray-proof construction
- Includes an SD and Micro Card Reader in the box
- Class 10 speed rating ensures reliable sustained write performance
👎 Cons
- 90MB/s write speed may bottleneck continuous high-speed burst shooting on advanced cameras
- SDXC format is not backward-compatible with devices that only support SD or SDHC
- No V30 or V60 Video Speed Class rating explicitly listed
- 256GB capacity may be insufficient for extended multi-day professional shoots without backup
Frequently Asked Questions
What read and write speeds does this card deliver?
The SanDisk 256GB Extreme Pro offers read speeds up to 170MB/s and write speeds up to 90MB/s.
Is this card compatible with cameras other than Canon EOS models?
Yes, it is a standard SDXC card that works with any device supporting the SDXC format, though it is specifically marketed for Canon EOS cameras like the 90D and M6 Mark II.
Can this card record 4K video reliably?
Yes, its Class 10 speed rating and fast write speeds support sustained 4K UHD video recording.
What is included in the package besides the SD card?
It includes an SD and Micro Card Reader for easy file transfers to computers and other devices.
How durable is this memory card?
It is rated waterproof, temperature-proof, shockproof, and X-ray proof, making it resilient in harsh shooting conditions.
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