The SanDisk Extreme Portable features read speeds of up to 550MB/s. Its rugged casing is both water- and dust-resistant, which makes it a good travel companion. Our sister site, Tom’s Hardware reviewed the SanDisk Extreme 500 and found that its read speeds are on par with Samsung’s pricey T3 external SSD (opens in new tab). Although its data writing speeds weren’t as fast as the T3’s, its overall performance stands out. It’s a must have laptop accessory for photographers, videographers, and graphics artists who are always on the move. 

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