Category C (Class 2) LGV / HGV training runs around Ipswich, Suffolk and uses the DVSA Test Centre in Ipswich. C is the category that allows you to drive a rigid vehicle over 3,500kg.
USB 2.0 is much faster than the DVD data rate. DVD 1x (slowest) write speed is 1.39MB/s. DVD 24x (fastest) write speed is 33.24MB/s. USB 2.0 write speed is up to 35MB/s. A 24x DVD max is about 32MB/s while USB2 max is about 60MB/s.
With one USB 3.1 Type-A port and one reversible USB 3.1 Type-C for the very fastest USB connections, you'll experience data-transfer speeds of up to 10Gbit/s â or twice as fast USB 3.0. USB 3.1 is completely backward-compatible with your existing USB devices, and you'll be all set for USB 3.1's breakneck speeds.