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.
If your flash drive is USB 3.0 but your computerâs port is USB 2.0, transfers will happen at USB 2.0 speeds. (Roughly speaking, USB 3.0 transmits data at 100 MB/s while USB 2.0 transmits at 15 MB/s.) Advertisement. The other thing that affects speed is the type of flash memory and controller used in the stick. The best drives use the same types of advanced controllers and quality of memory that are found in solid state drives (SSD) while cheaper drives use cheaper components, which arenât as good at transferring and storing data. 1  SanDisk Extreme 64GB USB 3.0 Flash Drive With Speed Up To 190MB/s- SDCZ80-064G-G46.