Tagged Questions

1
vote
2answers
45 views

USB 2.0 device in USB 3.0 Port

If I plug in an USB 2.0 device (e.g. mouse, keyboard) into a USB 3.0 port, will the controller still use polling to acquire input data (e.g. keypresses/movements) from the device?
0
votes
0answers
29 views

USB 2.0 ports stop working, USB 3.0 port OK

I have a Windows 8 laptop (Acer V3-551-8489) that features 1 USB 3.0 port and 2 USB 2.0 ports. For some reason, the USB 2.0 ports stop working from time to time. Is there a way to restart those ...
2
votes
4answers
145 views

Is USB 3 backward compatiable?

If USB 3 is backwards compatible, why do they place USB 2 ports with USB 3 ports on motherboards? Also, do USB3 External drives not work with USB2 ports?
2
votes
1answer
127 views

Plug Computer Case USB 2 socket into mobo USB 3

I've got an Antec Fusion Remote Black Media PC case at home. The case needs two internal 9 pin USB headers to be fully functional - one for the USB ports on the front, and one for the LCD display. ...
1
vote
1answer
145 views

USB 3 stick in USB 2 port

If I plug a USB 3 stick (with 20/60MBps write/read speed) into a USB 2 port is it possible to get this speed (because USB 2 should be able to get 480Mbps = 60MBps)? I would assume that this speed ...
1
vote
2answers
625 views

USB 2.0-3.0, how do you tell the difference?

I know obviously speeds would be a key factor, but is there any spot on way to tell if a device is USB 2.0 or 3.0 such as a flash drive.
1
vote
2answers
817 views

Can I safely connect a USB 2.0/1.1 internal pin block to a USB3.0 motherboard header?

I've been working on my new PC build with the GA-Z77X-UD5H-WB WIFI motherboard. This board comes with a wifi/bluetooth card that goes into a PCIe x1 slot... but the card also wants to be connected to ...
1
vote
3answers
683 views

What downsides are there to running an OS off of a flash drive instead of a hard drive (USB 3.0 and 2.0) [duplicate]

Possible Duplicate: How does a hard drive compare to Flash memory working as a hard drive in terms of speed? I recently purchased a 16GB USB 3.0 flash drive, and I'm considering using it as ...
1
vote
4answers
2k views

USB 3.0 ports backwards compatibility problems with 2.0 devices?

I see some info on the net that suggest that I should be able to get my USB 2.0 devices to work in 3.0 ports. I only have two 2.0 ports on my new computer, and six 3.0 ports. I have installed ...
10
votes
1answer
6k views

Verifying USB connection speed (USB 3 or USB 2?)

I've purchased several new USB 3 capable drives to use with my new (USB 3 capable) laptop. They connect ok but I suspect they're silently falling back to USB 2. The sustained transfer rates I'm seeing ...
-4
votes
2answers
1k views

What is the difference between USB 2.0 and USB 3.0? [closed]

I want to buy a Pen Drive and a HDD. For both case I get two categories. USB2.0 and USB 3.0. I wish to ask my T.V. is compatible with USB 2.0 pen drive. I wish to buy USB 3.0 pen drive. But that is ...
0
votes
3answers
1k views

Extend USB 3.0 cable

I have a couple of new USB 3.0 devices which connect to my USB 3.0 ports via the new "Blue" USB 3.0 cables that end in what looks like a USB 2.0 Type A connector. Indeed, the USB 3.0 devices will ...
1
vote
2answers
176 views

multiple USB 2.0 devices faster on USB 3.0? [duplicate]

Possible Duplicate: Using USB 3.0 to speed up transfer between USB 2.0 devices? I know USB 2.0 maxes out at 480Mbps, and USB 3.0 maxes out at 4800Mbps. Can multiple USB 2.0 devices tap ...
5
votes
1answer
300 views

Can a case with front USB ports be connected and used as a USB 3.0 port

I found this when I typed in my question. It sort of answers my question but I want to double check. Will cases with front USB port support USB 3.0? I have a Rosewill Challenger case purchased in ...
0
votes
2answers
1k views

Bad VM performance on external hard disk

I am running 4 virtual machines on my external hard disk (USB 2.0, 5400 rpm, Western Digital). Yesterday I wondered with they are running to slow but i am not sure from which fact makes it slow: USB ...
5
votes
3answers
2k views

Does the device that supports USB 3.0 work via computer that supports USB 2.0

I am planning to buy external hard drive that supports USB 3.0. Will it work with my old notebook that has USB 2.0?
26
votes
4answers
96k views

Speed comparison between USB 2.0, USB 3.0 and SATA and Firewire

Which is fast, faster, fastest? I would appreciate a slowest to fastest list including USB 2.0, USB 3.0, FireWire 400, FireWire 800 and eSata.