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- USB1 - 1.5 Mbit/second and 12 Mbit/second
- USB2 - 1.5 Mbit/second, 12 Mbit/second and 480 Mbit/second (but bus overhead limited this to 280 Mbit/second in actual usage)
- USB3 - 1.5 Mbit/second, 12 Mbit/second, 480 Mbit/second and 5.0 Gbit/second (but bus overhead limited this to 4.0 Gbit/second in actual usage)
- USB3.1 - 1.5 Mbit/second, 12 Mbit/second, 480 Mbit/second, 5.0 Gbit/second and 10 Gbit/second (but bus overhead limited this to 7.2 Gbit/second in actual usage)
See: http://en.wikipedia.org/wiki/USB#Version_history
USB 3.0 was released in November 2008. The standard specifies a maximum transmission speed of up to 5 Gbit/s (640 MB/s), which is over 10 times faster than USB 2.0 (480 Mbit/s, or 60 MB/s)
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Is your external usb 3 hdd will work on your old laptop which has only usb2?
Your external USB 3 HDD may work on your old laptop which only has USB 2. Most of the USB 3 will work on a USB 2 if you have the proper speed cable. It will only operate at the 2.0 speed, however.
Hi-speed USB is also known as?
All of the USB devices themselves as Hi-speed. USB 3.0, is the recent hi-speed USB.
Does the hp pavilion zv5000 have high speed usb ports?
Yes, I have one and it has 3 USB 2.0 ports.
What is speed of eSATA?
same as usb 3.0 (3 GBits/S)
How do you upgrade from non-hi speed USB to hi speed USB?
you can purchase and install a pci card that has the current generation of usb to allow faster transfer to devices that also support the new version. The newest version is usb 3 and the ports are blue
What is the speed of USB port?
USB 1.0 has the maximum speed of 1.5Mbps. USB 1.1 is a bit faster at 12Mbps. USB 2.0 is the fastest currently at 480Mbps. USB 3.0 will be released in 2010 and that will have a maximum speed of 4.8Gbit/s.
What is a USB generic hub?
The Generic USB Hub is a HI-SPEED USB device and will function at reduced speed when plugged into a non-HI-SPEED port
What is the speed of USB 2.0?
It doesn't matter what is the speed is on the USB it depends on the computer's speed on its hardrive, internet, or both the speed is not based on the 2.0 USB, is the computer either its old or new or in between.
What is the fastest USB port?
Super Speed USB is faster and is usually identified by a blue port or wire. Basically USB 2.0 is High Speed (480Mbps) and USB 3.0 Super Speed (5Gbps).
What is the maximum length of a usb high speed cable?
USB cables for original USB can be up to 3 meters (9 feet, 10 inches) and hi speed USB cables can be up to 5 meters (16 feet, 5 inches). (reference p 404 guide to managing & maintaining your PC)
What is high speed usb also known as?
USB 2.0
What is the maximum speed of USB 2.0?
The theoretical maximum data rate in USB 2.0 is 480 Mbit/s (60 MB/s) per controller and is shared amongst all attached devices. Some chipset manufacturers overcome this bottleneck by providing multiple USB 2.0 controllers within the Southbridge. It should be noted that USB 3.0 has now been released and operates at a theoretical top speed of 5Gbit/s.
