SanDisk 512GB Extreme UHS-I microSDXC Memory Card with SD Adapter Review
Live prices and creator coverage for the SanDisk 512GB Extreme UHS-I microSDXC Memory Card with SD Adapter - everything in one place.

Our editorial take on the SanDisk 512GB Extreme UHS-I microSDXC Memory Card with SD Adapter
The Western Digital SanDisk 512GB Extreme UHS-I microSDXC card with SD adapter presents a high-capacity option for users requiring significant storage. Its UHS-I bus type and A2, V30, and U3 speed classes indicate performance suitable for demanding tasks like 4K video recording and running applications directly from the card. With a maximum read speed of 190 MB/s and write speed of 130 MB/s, this card positions itself as a strong performer within the UHS-I category.
The inclusion of a full-size SD adapter enhances its versatility, allowing for use in a broader range of devices beyond those with only microSD slots. While it offers robust storage and speed, potential buyers should recognize it operates on the UHS-I interface, meaning devices supporting faster UHS-II or UHS-III cards could theoretically achieve higher speeds with different media.
Overall, the card's specifications suggest it is designed for users who prioritize large storage capacity and consistent, high-speed data transfer within the widely compatible UHS-I standard. Its durability, indicated by broad operating and storage temperature ranges, further cements its role as a reliable choice for various environments.
- High storage capacity at 512 GB
- Fast read and write speeds for a UHS-I card (190 MB/s read, 130 MB/s write)
- Includes a full-size SD adapter for broader compatibility
- Meets A2, V30, and U3 speed classes, suitable for demanding applications and 4K video
- Wide operating and storage temperature ranges suggest durability
- Built-in write-protect switch is only on the adapter, not the microSD card itself
- UHS-I bus type may not utilize the full speed potential of devices supporting UHS-II or UHS-III
- High capacity may be excessive for some basic uses
Synthesized by Geared editors from early expert reviews.
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Specs
- Bus Type
- UHS-I
- Card Type
- microSDXC with Full-Size SD Adapter
- Read Speed
- Maximum: 190 MB/s
- Speed Class
- Class 10 / U3 / V30 / A2
- Write Speed
- Maximum: 130 MB/s
- Storage Capacity
- 512 GB
- Storage Conditions
- -40 to 185°F / -40 to 85°C
- Operating Conditions
- -13 to 185°F / -25 to 85°C
- Built-In Write-Protect Switch
- On Adapter Only
Where to buy
Live prices from retailers. We earn a small commission when you click through - never affects ranking.
- B&H Photonew● In stock-Buy
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