The primary reason to buy USB 3.0 over the older USB 2.0 is speed. USB 3.0 offers a theoretical maximum bandwidth of , which is roughly 10 times faster than USB 2.0's 480 Mbps.

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: USB 3.0 is the standard for reliable, high-capacity external drives. High-capacity options like the WD 22TB Elements Desktop External Hard Drive Go to product viewer dialog for this item.

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: A 12 GB file that takes over 26 minutes to transfer via USB 2.0 can be completed in about 2 minutes and 7 seconds with USB 3.0.

: Look for the blue plastic insulator inside the connector or the "SS" (SuperSpeed) logo to verify it is a true USB 3.0 product.

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