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The SanDisk Extreme 512GB is a UHS-I microSDXC card built for action cameras, drones and phones that record 4K video. Its V30 rating guarantees a sustained 30MB/s write, and the A2 rating speeds up app loading on Android devices. Read speeds reach 190MB/s and writes up to 130MB/s, but only in SanDisk's own UHS-I readers; most devices run slower. It sits above the Ultra line for video work and below UHS-II cards, which cost more and need a UHS-II slot to pay off.
In stockShips from South Africa · priced in ZAR (ZAR 2,694.78) · duties may applyReturn policy
Owners rate the Extreme line as a dependable card for action cams, drones and phones, with few reports of corruption or early failure. Reviewers note that the headline speeds appear only in SanDisk's reader, and that long 4K recordings can slow near the end.
This SanDisk Extreme is a 512GB microSDXC UHS-I memory card. It gives compatible devices room for large photo and video collections.
It reads at speeds up to 190MB/s and writes at speeds up to 130MB/s. It carries Class 10, U3, V30 and A2 ratings. Maximum speeds require compatible equipment, and actual performance varies by device and use.
