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This is a 512GB microSD Express card built on a PCIe-NVMe interface, the format the Nintendo Switch 2 uses for expandable storage. It moves data far faster than UHS-I microSD cards and still works at UHS-I speeds in older microSD UHS-I and UHS-II devices, so it is backward compatible. SanDisk adds ThermAdapt thermal management and a long list of durability ratings. It suits Switch 2 owners and anyone moving large files who wants one card that also fits older gear. Against ordinary microSD cards it wins on speed; the trade-off is that only Express-capable devices unlock that speed.
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This is a 512GB SanDisk microSD Express card. It works with Nintendo Switch 2. It uses a PCIe-NVMe interface, and it performs at UHS-I speeds when used with microSD UHS-I and UHS-II devices.
Transfer speeds are up to 4.4 times faster than SanDisk's fastest microSD UHS-I cards. A 2-hour HD movie transfers in less than 3.5 seconds. Transferring 60 minutes of 4K UHD video shot at 30 fps saves up to 2.8 minutes when the card is paired with the SanDisk PRO-READER SD Express Dual Card, which is sold separately.
The card is waterproof, temperature-proof, humidity-proof, drop-proof, shock-proof, magnetic-proof, x-ray proof and wear-out proof. SanDisk ThermAdapt helps keep devices from overheating. It uses a specially designed enclosure and a controller with dynamic adaptive thermal management.
