Solved USB 3.0 external hard drive

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larryh10000

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Oct 23, 2007
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Tech Support Guy System Info Utility version 1.0.0.4
OS Version: Microsoft Windows 10 Home, 64 bit
Processor: AMD A8-4500M APU with Radeon(tm) HD Graphics, AMD64 Family 21 Model 16 Stepping 1
Processor Count: 4
RAM: 5602 Mb
Graphics Card: AMD Radeon HD 7640G, 512 Mb
Hard Drives: C: 569 GB (512 GB Free); D: 25 GB (3 GB Free);
Motherboard: Hewlett-Packard, 184B
Antivirus: Windows Defender, Disabled

If I buy a USB 3.0 external hard drive that comes with a 3.0 cable, can I plug it into a 2.0 port on my computer? I realize it would run at the slower speed but will that even plug-in to the 2.0 port and work?
 

larryh10000

Thread Starter
Joined
Oct 23, 2007
Messages
934
Tech Support Guy System Info Utility version 1.0.0.4
OS Version: Microsoft Windows 10 Home, 64 bit
Processor: AMD A8-4500M APU with Radeon(tm) HD Graphics, AMD64 Family 21 Model 16 Stepping 1
Processor Count: 4
RAM: 5602 Mb
Graphics Card: AMD Radeon HD 7640G, 512 Mb
Hard Drives: C: 569 GB (512 GB Free); D: 25 GB (3 GB Free);
Motherboard: Hewlett-Packard, 184B
Antivirus: Windows Defender, Disabled

If I buy a USB 3.0 external hard drive that comes with a 3.0 cable, can I plug it into a 2.0 port on my computer? I realize it would run at the slower speed but will that even plug-in to the 2.0 port and work?
It should. They are backwards compatible with 2.0.
Thanks for your reply Valis - I wasn't too concerned about the backwards compatibility speed issue but more about the 3.0 cable (typically with the blue colored inner part of the cable, plugging into a 2.o port.

Thanks again(y)
 

flavallee

Frank
Trusted Advisor
Joined
May 12, 2002
Messages
83,163
Larry:
As valis said, USB3 is backwards compatible with USB2.
My Realtek wireless adapter is a USB3 model and is connected to a USB2 port in my old Dell desktop, and it works fine.

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managed

Allan
Moderator
Joined
May 24, 2003
Messages
15,080
My external Usb 3.0 hard drive works when plugged into a Usb 2.0 port.
 

larryh10000

Thread Starter
Joined
Oct 23, 2007
Messages
934
Larry:
As valis said, USB3 is backwards compatible with USB2.
My Realtek wireless adapter is a USB3 model and is connected to a USB2 port in my old Dell desktop, and it works fine.

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My external Usb 3.0 hard drive works when plugged into a Usb 2.0 port.
Thanks you guys for the replies - I'll mark this solved now (y)
 
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