USB connector

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USB 3.x Spec.

The naming convention of USB has become really messy. Here’s how it breaks down.[1]

  • USB 3.2 Gen 1, is USB 3.0. It has a maximum throughput of 5Gbps. This is also known as SuperSpeed USB.
  • USB 3.2 Gen 2, is USB 3.1. It has a maximum throughput of 10Gbps. This is also known as SuperSpeed USB 10Gbps.
  • USB 3.2 Gen 2×2, is USB 3.2. It has a maximum throughput of 20Gbps. This is also known as SuperSpeed USB 20Gbps.
Type of USB connector .png

USB types, like A, B, and C, tell you the shape of the port and connector, but not the data transfer speed.

USB-C is the latest type of connector, and is usually associated with USB 3.2 Gen 2 but not necessarily, it can also be USB 3.2 Gen 1 or it may not be USB at all.

the USB-C type connector is also used for Thunderbolt 3. Thunderbolt 3 offers data transfer rates up to 40GBps, which is four times that of USB 3.2 Gen 2.

  • Thunderbolt 2 has a maximum throughput of 20Gb/sec
  • Thunderbolt 3 has a maximum throughput of 40Gb/sec

References

  1. ↑ https://www.cined.com/storage-explained-configure-raid-file-system-pros-cons/
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