SanDisk 256GB Extreme PRO microSDXC card UHS I + SD adapter, microSD for smartphones, action cameras or drones, up to 200MB/s, A2 App Performance, Class 10, U3, V30, RescuePRO Deluxe recovery data software

Amazon

Read Speed: SanDisk 256GB Extreme PRO microSD UHS-I Card features SanDisk QuickFlow Technology that optimizes performance for timesaving media offloads with quick read speeds up to 200MB/s Write Speeds of up to 140MB/s: Capture fast-action photos or shoot 4K UHD video with write speeds of up to 140MB/s. The SanDisk Extreme Pro microSDXC UHS-I Card lets you shoot more and faster Load Apps Faster with A2: Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme Pro microSD card’s A2 Specification Durable Design: This card is shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card Ideal For: This card is ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames

Currys

Optimise your action camera's performance with the 256 GB Sandisk Extreme Pro Class 10 microSDXC Memory Card.This hard-wearing microSD card is waterproof, x-ray and shockproof, making it the ideal travel companion.With transfer speeds of up to 170 MB/s, you can quickly and easily move your data, helping to save you time. Plus with Class 10 and UHS Speed Class 3 rating, you can capture 4K Ultra HD video without dropouts and stuttering. This memory card comes with an SD adapter, allowing you to use it with an SD card slot.