![]() And doing so won’t cost you an arm and a leg either. If you ever take a notion to do so, you can add two or more USB 3.0 ports to your existing computer in order to take advantage of USB 3.0’s super-fast speed. The only downside to connecting a USB 3.0 device to a USB 2.0 port is the device will operate at the much slower USB 2.0 speed. Then copy the 2. Rick ‘s answer: Daneen, USB 3.0 is completely backwards compatible with USB 2.0 which means you can use your new thumb drives in your PC and hand them over to your mom and mother-in-law with no worries. USB1 and USB2 have four pins, two for power, one pair for data. First, plug the drive into a USB 3.0 port and confirm (with lsusb -v) that has been recognized as a USB 3.0 device. In order to maintain consistency with the previous spec, USB 3.0 was updated to USB 3.1 Gen 1 with the newest version called USB 3.1 Gen 2. ![]() That is to say, you can a USB 2.0 connector to a USB 3. The USB 3.1 update improved the encoding scheme to reduce overhead which lead to a better data transfer rate, up to 10Gbps over as single lane, a transfer mode called SuperSpeed+. This is because the USB 2.0 connector has four wires and the USB 3.0 port has eight wires, so data and power can’t be transferred at speeds that are higher than what the USB 2.0 can handle. ![]() Will these drives work in USB 2.0 sockets or should I return them and buy USB 2.0 drives? I don’t want to damage my computer, and I REALLY don’t want to damage theirs! Thanks a lot for your help. Both USB 2.0 and 3.0 of Type A are backward compatible. However, when a USB 2.0 device is plugged into a USB 3.0 port, it works with the speed of the USB 2.0 protocol. ![]() I bought a couple of USB Flash Drives last night to put baby pictures on and give to my mom and mother-in-law, but I noticed after I got home that they’re USB 3.0 drives.
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