By B&H Photo's
This B&H Kit bundles three 256GB Professional 2000x UHS-II SDXC Memory Cards for a total capacity of 768GB. Use one card in each slot of a camera with dual SD slots and keep one in reserve, or if your camera only has one SD slot, keep extras handy for when your primary one fills up.
General Features
A large storage capacity of up to 256GB lets you enjoy shooting longer without changing cards
High-speed performance-leverages UHS-II technology (U3) for a data read speed up to 2000x (300 MB/s)
Captures high-quality images and extended lengths of stunning Full HD 1080p, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera
Backwards compatible with UHS-I devices
Limited lifetime warranty
UPC: 843367127207