SanDisk
SanDisk Extreme 512GB microSDXC UHS-I Card
Best high-capacity storage for adventurous 4K videographers and mobile power users.
Capture your adventures with the SanDisk 512GB Extreme Micro SDXC UHS-I Flash Memory Card. This card delivers impressive read speeds up to 160MB/s for swift file transfers and write speeds up to 90MB/s, perfect for 4K UHD video and fast-action shots. Its robust design ensures it's shockproof, temperature-proof, waterproof, and X-ray-proof for reliability in any environment. With A2 specification, it enhances app performance for a smoother smartphone experience, making it ideal for demanding mobile use.
$99.85
Owner Satisfaction
4.6
/ 5
Category Rank
132
/ 794
#132 in Flash Memory Cards
Price vs Category Average
+45%
Above average
Memory card type
Micro SD, Micro SDXC, Micro SDHC
/ Micro SD, Micro SDXC, Micro SDHC
Who it's for
- Content creators recording high-resolution 4K video
- Mobile gamers needing faster app loading times
- Outdoor adventurers using drones or action cameras
Who should skip it
- Budget-conscious buyers seeking the lowest price per gigabyte
- Professional photographers requiring maximum UHS-II transfer speeds
- Casual users needing simple storage for basic documents
Performance breakdown
Transfer Velocity
Rapid read speeds make offloading large 4K files feel effortless.
Write Throughput
Consistent write performance handles high-bitrate video recording without dropping frames.
App Responsiveness
A2 rating ensures mobile applications launch and run with snappy fluidity.
Environmental Resilience
Rugged construction provides peace of mind in extreme outdoor shooting conditions.
Storage Capacity
Massive headroom allows for hours of uninterrupted high-resolution media capture.
Compatibility Versatility
Included adapter ensures seamless integration across cameras, drones, and mobile devices.
Key Specs
Memory card type
Micro SD, Micro SDXC, Micro SDHC
Brand
SanDisk
Capacity
512 GB
Read speed
Up to 160 MB/s
Write speed
90 MB/s
Interface
UHS-I
Speed Class
Class 10
Application Performance Class
A2
Features
- High-speed transfers for quick file management
- Fast write speeds for 4K UHD video
- Ideal for outdoor adventures and sports
- Large capacity for uninterrupted recording
- Enhanced app performance with A2
- Durable and reliable in tough conditions
- Waterproof and shockproof design
- X-ray proof for travel safety
What customers say
Customers overwhelmingly praise the SanDisk Extreme 512GB microSDXC card for its exceptional performance and reliability. Reviewers consistently note the impressive read and write speeds, which are vital for demanding tasks like 4K video recording and high-speed photography. The large 512GB capacity is highly valued, offering extensive storage for media and large game installations. Confidence in the SanDisk brand for durability and consistent operation is a major factor. While the cost is premium, users feel the superior speed and dependable storage justify the investment. This card is positioned as a top choice for those needing high capacity and fast, trustworthy performance.
Know before you buy
Yes. With write speeds up to 90MB/s, this card is specifically designed to handle the high data demands of 4K UHD video recording without dropping frames.
The A2 specification indicates that the card is optimized for running apps directly from the storage. It allows for faster app loading and smoother performance compared to standard microSD cards.
Yes. The card includes a full-size microSDXC to SD adapter, allowing you to use it in devices that require a standard SD card slot, such as many DSLR and mirrorless cameras.
It is built for rugged use. The card is shockproof, temperature-proof, waterproof, and X-ray-proof, making it a reliable choice for extreme environments and frequent travel.
With read speeds up to 160MB/s, you will see significantly faster file transfer times compared to standard Class 10 cards, provided your card reader also supports these higher speeds.
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