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The physical phenomena on which the device relies (such as spinning platters in a hard drive) will also impose limits; for instance, no spinning platter shipping in 2009 saturates SATA revision 2.0 (3 Gbit/s), so moving from this 3 Gbit/s interface to USB 3.0 at 4.8 Gbit/s for one spinning drive will result in no increase in realized transfer rate.
The experiment had the team transfer a 700 MB file via three delivery methods to determine which was the fastest; A carrier pigeon with a microSD card, a car carrying a USB Stick, or a Telstra ADSL line. The data was to be transferred a distance of 132 kilometres (82 mi) by road.
However, as USB devices typically achieve lower data transfer rates than internal hard drives, booting from older computers that lack support for USB 2.0 or newer can be very slow. Limitations [ edit ]
The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data transfer rate. Drive speed can be limited intentionally to reduce noise from the drive or slow down ripping, such as the firmware component Riplock.
The operating system loads from the USB device either to load it much like a Live CD that runs OS or any other software from the storage or installs OS itself. USB image runs off of the USB device the whole time. A USB image is easier to carry, can be stored more safely than a conventional CD or DVD. Drawbacks are that some older devices may ...
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Transfer performance of USB sideloading varies greatly, depending on the USB version supported, and further still by the actual engineering implementation of the USB controller. USB is available in Low-Speed (1.2 Mbit/s, 150 KB/s), Full-Speed (12 Mbit/s, 1.5 MB/s), and Hi-Speed levels, with High-Speed USB transferring up to 480 Mbit/s (60 MB/s).
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