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.
One beauty of the system is that cables have the same connector on both ends, and can be inserted into ports without worries about which side is up or down. Storage devices will eventually benefit from Type-Câs USB 3.1 protocol, which can transfer data at 10Gbps (bits per second), double that of USB 3.0. But the first peripherals weâre seeing support only USB 3.0 speeds. LaCie's USB Type-C portable hard drive.