
OWC Atlas Ultra 256GB (300MB/s) UHS-II V90 SDXC Memory Card
Free delivery also available - more info
The OWC 256GB Atlas Ultra SDXC UHS-II V90 memory card uses the UHS-II bus to support advanced DSLR/system camera features such as continuous shutter speeds, high-speed burst shooting, and raw and JPEG recording. This card is also great for video recording, including 6K, 4K, Full HD, and 3D video. It can achieve maximum sequential read speeds of up to 300MB/s and write speeds of up to 250MB/s. More
Finance options available

The OWC 256GB Atlas Ultra SDXC UHS-II V90 memory card uses the UHS-II bus to support advanced DSLR/system camera features such as continuous shutter speeds, high-speed burst shooting, and raw and JPEG recording. This card is also great for video recording, including 6K, 4K, Full HD, and 3D video. It can achieve maximum sequential read speeds of up to 300MB/s and write speeds of up to 250MB/s.
OWC Atlas Ultra 256GB (300MB/s) UHS-II V90 SDXC Memory Card Key Features:
- 256GB storage capacity
- UHS-II / V90 / U3 / Class 10
- Maximum sequential read speed: 300MB/s
- Maximum sequential write speed: 250MB/s
- Min. continuous write speed: 90MB/s
- Records 6K, 4K, Full HD, and 3D video
- Capture raw and burst photos
- Water and dustproof
- Bending, shock, and x-ray resistant
- Built-in write protection switch
Expanded OWC Atlas Ultra 256GB (300MB/s) UHS-II V90 SDXC Memory Card Key Features:
Robust and safe
To simplify map use in virtually any environment and keep your content safe, OWC built the Atlas Ultra with a design that is bend, shock, and x-ray resistant. It also has an IP67 rating, which means it is dust and water-resistant. The memory card can also withstand extreme temperatures from -25 to 85°C.
Compatibility
Thanks to the V90 speed class, minimum continuous write speeds are guaranteed not lower than 90MB/s. UHS-II media achieves its speed via an extra row of pins and while this card is designed for UHS-II/V90 compatible cameras, it can be used in devices that do not support UHS-II/V90. However, keep in mind that this card will then default to your device’s speed class and bus rating, such as UHS-II and V60, which support minimum write speeds of 60MB/s, or UHS-I and U3, which also support minimum write speeds of 30MB/s. If your device does not support U3, this card is compatible with the U1 and Class 10 standards, each guaranteeing a minimum write speed of 10MB/s.
What's in the box?
- 1 x OWC Atlas Ultra 256GB (300MB/s) UHS-II V90 SDXC Memory Card
- 1 x Jewel Case
Product Specification
Capacity [GB] | 256.00 |
Class | 10 |
Included Accessories | Jewel Case |
Mb|Sec Read | 300 |
MB|Sec Write | 250 |
Type | UHS-II / V90 |