SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - High-Speed 6K/4K

Our review of the SanDisk 128GB Extreme PRO SDXC UHS-II card finds it aimed at prosumers and professional photographers and filmmakers who need reliable, high-bandwidth storage for large files. The single biggest reason to buy is consistent sustained write performance for real-time video capture and fast burst photography, backed by the V60 rating and UHS-II interface. In everyday use it balances raw speed for offloads and long recording sessions with a practical 128GB capacity that fits multi-hour 4K or short 6K shoots.

Key Features

• Video Speed Class V60: Sustained write performance rated to support real-time 6K and 4K UHD recording on UHS-enabled hosts, reducing dropped frames during long clips.
• Up to 100MB/s write: Fast write speeds make continuous burst shooting and time-lapse sequences reliable for high-resolution stills and rapid-fire frames.
• Up to 280MB/s read: High read rates speed up card offloads to a workstation so large projects are ready for editing sooner.
• 128GB capacity: Store thousands of photos or hours of HD and many 4K clips on a single card without frequent swaps on set.
• RescuePRO Deluxe offer: Includes a 2-year recovery service for mistakenly deleted files, adding a layer of data protection during critical shoots.

Who It's For

The card is best for advanced hobbyists, prosumers and professional shooters using mirrorless or cinema cameras that accept SDXC UHS-II cards and demand reliable sustained write speeds for 4K and occasional 6K work. It suits photographers who want fast burst performance and content creators who need quicker transfers to edit stations.

Those using older devices that do not support UHS-II or who only record short Full HD clips may not need the full performance headroom and could opt for lower-tier cards to save cost. Very high-capacity workflows like multi-camera 8K shoots will require larger capacity or camera-specific media.

Pros & Cons

Pros

• High sustained write performance (V60) for dependable 4K and 6K capture.
• Fast read speeds up to 280MB/s to reduce offload time between shoots.
• Good balance of capacity and portability with 128GB storage for large files.
• Includes a 2-year RescuePRO Deluxe file recovery offer for peace of mind.

Cons

• Top performance requires UHS-II capable hosts; older cameras will not realize full speed.
• 128GB may be limiting for extensive multi-camera 6K projects compared with higher capacities.

Specifications

Brand	SanDisk
Capacity	128GB
Interface	SDXC UHS-II
Video Speed	V60 (sustained 60MB/s)
Max Read Speed	Up to 280MB/s
Max Write Speed	Up to 100MB/s
Recovery Offer	2-year RescuePRO Deluxe

Our Verdict

The SanDisk 128GB Extreme PRO SDXC UHS-II is a smart choice for prosumers and professionals who need dependable sustained write speeds for 4K and occasional 6K recording, plus fast transfers for editing. It represents good value for users with UHS-II capable cameras who want fewer card swaps and quicker workflow turnarounds, though those on older cameras or requiring larger capacities should consider alternatives.

Frequently Asked Questions

Will this card support continuous 6K video recording?
Its V60 rating and UHS-II interface are designed to support real-time 6K and 4K recording on compatible host devices, but actual support depends on the camera and file attributes.

How fast are transfers to a computer?
Read speeds reach up to 280MB/s in testing, which significantly reduces offload times compared with lower-tier cards when used with a UHS-II card reader.

Can deleted files be recovered?
Yes, the card includes a 2-year RescuePRO Deluxe file recovery offer that can help recover accidentally deleted photos and videos.