USB 3.0 (SuperSpeed) is a USB specification that can transmit data at up to 5 Gbit/s.

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Hard disk not detected in usb 3.0 port

I have a desktop with motherboard 970A-DS3P and using WD My Passport Ultra 1 TB external hard drive. As it was running out of space, I got WD 2TB version hard disk and wanted to take the back up of 1 ...
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55 views

Fancy new 64GB USB 3.0 thumb drive writes at only 10mb/s

As you can see, read is as advertised and expected from USB 3.0, but write is terrible. It's formatted with ext4, plugged into USB 3.0 port on a desktop computer 3 years old. I tried with 200mb ...
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1answer
25 views

How to achieve highest performance with multiple USB 3 drives but only one USB 3 port

If a computer has one USB 3 port, and one USB 2 port, and the user needs to connect two external USB 3 drives (backwards compatible to USB 2), will highest speeds be obtained if the user connects them ...
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24 views

HP Sleekbook usb 3.0 - no drivers for windows 7

I have hp (pavilion sleek-book 14 - B065TX) laptop and me downgrade that in to windows 7 professional edition and now laptop is working but i have one of problem for usb 3.0 port. It is not ...
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1answer
58 views

How to manually install USB3 drivers?

I tried to copy over my old Bootcamp partition to my new iMac (for those wondering: with sysprep & winclone). So that's working ok. I got to the "first setup my computer screen". But now I'm ...
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60 views

Sandisk Extreme USB 3.0 64GB Write speed drops

The problem started about a week ago. My Sandisk USB drive normally writes at 150-200MB/s (SSD to USB drive) but all of a sudden the write speed dropped to 5-10MB/s. The problem keeps occurring: it ...
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1answer
60 views

Windows 8.1 Enterprise - Driver Issues

We have Wifi internet connection used by multiple devices(Laptop, Smartphones) with multiple OS(Windows XP, Windows 7, Android). Till here all fine. I got new laptop with Windows 8.1 Enterprise using ...
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18 views

Disable xHCI option in Asus G75Vw

i have a problem to connect a device (Rockmisth USB Cable Adapter). Other people have resolved the problem in disabling xHCI option to desactivate USB 3.0. The device is well-recognized after that. ...
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37 views

One of the usb port still has power

My laptop runs windows 8 and has 2 USB 3.0. port. One day, when I shut down my laptop, I forgot to take off my USB modem. But the USB modem light is still blinking. I tried to move it to the other ...
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1answer
65 views

How to increase the Write speed of Usb 3.0 flash drive?

Currently i am getting the below mentioned average speeds while tranferring (Writing) a big video file of 2GB by using SanDisk ultra Usb 3.0 16 GB on WIndows 7 64 Bit on Lenovo B590 Laptop :- Usb3.0 ...
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1answer
88 views

Booting Win7 64bit from USB 3.0 thumb drive - is it possible to use the 3.0 speeds?

As it sits it takes 4-6 minutes to load a web page using my USB 2.0 slot. My Thumb Drive(PSF32GTAB3USB) is 3.0 and I have a port on my laptop (N53SV) that's also USB 3.0. However, if I try booting ...
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21 views

Connection a Usb 2.0 driver to a usb 2.0 port using a 3.0 extension cable

I have a usb 2.0 Audio driver for my headphone and a usb 2.0 mouse, and i have 2 usb 2.0 ports and 2 usb 3.0 ports., I wanted to buy a usb extension for both of them because i need the extra length, I ...
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1answer
15 views

Strange Errors with Headset

My new headset (a logitech h340) is failing to work in an extremely bizarre way. My old one (a logitech h540) broke. I'm assuming faulty wiring, as it connects and disconnects when I move it certain ...
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45 views

Corsair USB Flash Survivor Stealth USB 3.0 speeds not working in Ubuntu Linux 14.04.1 LTS (Recognizes as a USB 2.0 device)

I'm finding that a Corsair USB Flash Survivor Stealth (USB 3.0 capable drive in Windows 7 with 200 MB/s Read speed) only connects at USB 2.0 speed in Linux (Ubuntu 14.04.1 LTS). Watching the ...
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2answers
66 views

What will happen powerwise if you plug a USB-C device to another USB-C device?

If you have a USB-C phone or tablet and you plug it into a laptop with USB-C, which device gets charged? Or no charging will occur? People charge their phones through their laptops all the time, how ...
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2answers
62 views

Why is a keyboard with a USB extension cable—which is connected to a hub—not working?

I use an expensive wired USB ergonomic keyboard at work. The keyboard connects to my laptop via a USB hub. Everyday, I have to plug the keyboard in the morning and unplug in the evening. It’s USB ...
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1answer
97 views

Test USB 3.0 Device Speed

I've looked up hdparm, but all examples are for testing disks. Not sure if it can be used to test external usb devices (specifically usb flash stick). I'm using the following code right now: dd ...
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37 views

SSDs become unreliable when connected to usb3 ports

I have 2 different ssds and 2 different computers running 2 different versions of windows and MacOS X. Edit: The drives are a LaCie Rugged SSD 120Gb and the original drive from the macbook put ...
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1answer
395 views

Why is there a speed increase when using a USB 2.0 device with a USB 3.0 port?

I know this question, or similar questions, have been asked before, but still I am curious… My laptop has two USB 3.0 ports and—on occasion—I will plug in a Western Digital external hard drive which ...
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1answer
642 views

Replace Front USB Ports in a 2003 Alienware Case [closed]

I have this old Alienware case from around 2003 in which I have replaced parts for years: I have never replaced the front USB ports, and I would like to get USB 3. Here are pictures of the USB ...
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1answer
68 views

USB 3.0 HDD is working in High-Speed mode instead of SuperSpeed

I've got Asus R500V with one USB 3.0 port. I've installed a proper driver from Acer site. I've got WD My Passport [USB 3.0 version] and I connected it to the 3.0 port. Treeview says it's working in ...
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0answers
39 views

What exactly does acpi_backlight=vendor do

I have an issue when booting Linux with a device plugged to USB 3.0. If there is anything plugged (USB stick, keyboard, …), the system hangs on start with blank screen and does not react even on ...
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1answer
223 views

USB 3.0 hard drive in usb 3 port only recognized as usb 2 and detected only when connected to usb2

I have a WD MY Passport ultra 4TB usb 3.0 external hard drive. It does not function when I connect it to an usb 3.0 port, only usb 2.0 recognises the device. How do I resolve this issue?
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1answer
59 views

Is it safe to power a 140mA laptop cooler pad off a USB 3.0 port?

I have acquired a laptop cooler pad that connects to a USB port for power. The problem is it draws 140mA. That's more than a dumb device is allowed to draw off USB 2.0 (max is 100mA unless the device ...
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1answer
76 views

What connectors do USB 3.0 devices use?

This USB 3.0 HDD case has something that looks like a USB A receptacle requiring an A-A cable, something quite unusual. The only alternative that Amazon.de is offering, has the 10-pin USB 3.0 ...
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160 views

How do I enable UHCI USB support in Windows 7?

I've got a USB Fight Stick controller (Madcatz SFIV TE) that only supports the UHCI USB standard. I've done some research online that led me to find out that USB 3 ports support this standard, but in ...
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1answer
88 views

USB3 HDD does not spin down after selecting “Eject drive”

my external WD drive connected to USB3 on home PC spin down after selecting "Eject drive" but it does not spin down on work PC (on USB3 as well). Tried to find answers in Google but I could not. I ...
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0answers
171 views

USB 3 issue with asus t200 transformer (windows 8.1)

I hope someone can help. I have a new asus t200, which has one usb 2 and one usb 3 port. I have tried three different usb 3 external drives - and the computer doesn't recognise them - though they ...
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1answer
273 views

not getting USB 3.0 speeds with multiple USB 3.0 sticks on my laptop

My Core i5 laptop is behaving strangely on windows 8.1 - I think on windows 8 it didn't have this problem.. but I have 8.1 now. My USB3.0 flash drives are all copying at 10 to 13MB/s a second , it ...
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213 views

USB Flash Drive became read-only during use

I was using IntelliJ when my USB flash drive suddenly wasn’t being recognised and IntelliJ became unresponsive. I tried safely removing it but it wasn’t showing up there, so I force closed IntelliJ, ...
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844 views

Windows 7 guest on Mac 10.10 host VMwareFusion USB Drivers not installing

I have a MacBook Pro 13" mid 2012 model running OSX 10.10 yosemite which has two USB 3.0 ports on it. I have VMwareFusion installed, and have windows 7 as a guest operating system. The driver for the ...
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1answer
567 views

USB 2.0 not recognized by USB 3.0

My old HP Laserjet 1005 USB 2.0 Printer is not recognized by my new DELL USB 3.0 socket. Printer is too good to replace.
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27 views

What defines maximum numbers of USBs connected?

By default maximum possible USB devices connected is 128. Different motherboards support different numbers. Most of them do not go that high. But how is that number defined? I mean for example x86 ...
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2answers
811 views

Why are transfer speeds so slow from USB3 SD card to PC?

I guess I'm trying to pinpoint what chokes the transfer speeds in general: Situation is - Brand new Dell E7240 with USB3.0 ports. Copying from a USB3.0 capable card reader (Lexar). Lots of ...
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1answer
80 views

Will a 10 slot USB3 hub provide full bandwidth for 10 USB2 flash drives, and if not, where is the bottleneck?

I am wondering if a USB3 hub connected to a USB3 motherboard could sustain 10 USB2 flash drives being used simultaneously to transfer data at full bandwidth. Theoretically USB 2 speed is 60 MB/sec ...
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51 views

Daisy chaining capacity for USB 3.0

I am trying to figure out how many USB 3.0 devices I can daisy chain together and provide an adequate (5V) power supply to. For instance Device #1 (D1), plugs into my laptop and my laptop keeps it ...
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162 views

Can I boot / install windows 8.1 from usb 3.0 with usb 3.0 media?

As far as I know it wasn't possible to install win 7 from usb 3.0 hub. It faild every time, I guess due to some boot or driver problem. If it could be possible for win 8/8.1 I would buy usb 3.0. Can ...
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1answer
467 views

Slow performance running VM Player image (virtual machine) on USB3.0 external drive

I have a virtual image I'm trying to run over USB3.0 on an external drive using VM Player. The performance is very slow and I cant seem to find the culprit. I've ran some benchmarking tools and my UP ...
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178 views

USB 3.0 flash drive has slow performance after reformatting

I bought a USB 3 flash drive, and after a few weeks of using it (happily), I needed a bootable linux and that was the only thing handy. So I reformatted it and worked through all that jazz. But I'm ...
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2answers
5k views

How to get ExpressCard 34 USB3 working on Yosemite Apple Mac OS X 10.10 (via 1 or more of: kexts,signing or choosing compatible models/chipsets)?

(Rewrote question title about overall problem and given my own answer below). (note I want to try this manual approach first before using MultiBeast (failed to do the driver install (failure message ...
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2answers
2k views

Windows 8 / 8.1 USB file transfer consistently freezes whole system

I'm running Windows 8.1 Pro (64 bit) on a Gigabyte GA-Z77X-D3H (rev 1.0) motherboard with a Samsung 830 SSD and 8GB of RAM. All is normally well in general day to day use. However, when I plug in a ...
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1answer
46 views

USB 3.0 to USB 3.0

I have an external HD with USB 3.0 and a laptop with a USB 3.0 port. Can I connect the two safely to transfer data and watch films stored on the HD for instance? If so where can I buy such a cable to ...
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97 views

Using USB 2.0 devices on a USB 3.0 hub

I currently have a 7-way USB 2.0 hub. However, when any other device on my hub communicates with the PC (especially my external hard drive which is USB3 compatible), the external sound card stutters. ...
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128 views

Best Way to Connect 3 Computers to Peripherals

I'm trying to find my best, low-latency option for connecting three computers. Generally, this wouldn't be an issue, but I see no way to do what I'm looking to do without having to plug/unplug cords ...
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Force a single USB 3.0 port to work as USB 2.0

I have several Dell XPS 13 machines that exhibit intermittent failures of the left USB 3.0 port, as described in this thread. I have lost data to silent corruption/disconnections on several external ...
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507 views

LaCie Rugged Triple USB 3 drive not mounting properly on Windows 8.1

I have a 2011 LaCie Rugged Triple USB 3 drive that I use with two computers: my Windows 8.1 PC and my MacBook Air. What is working / other facts: Drive has two partitions: one NTFS, one HFS+ USB ...
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1answer
141 views

Do I need a special microUSB cable to take advantage of my USB 3.0 port?

I often transfer files from my computer to my phone using a micro-USB cable. However, my computer has USB 3.0 ports and I don't know if I'm taking full advantage of it using a regular micro-USB cable. ...
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71 views

Usb ports connecting and disconnecting

I know this is not the place to ask about hardware problems and solutions, but I can't search on google anymore... I've been for over 24hours searching on google about my problem and trying to get a ...
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2k views

GPT Protective Partition

I’ve moved my 3TB hard drive to another USB enclosure, and it no longer works. Disk manager says “2794.52 GB Healthy (GPT Protective Partition)”. How to fix that? I don’t want to reformat, I need ...
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43 views

USB Thumb Drive partioned oddly

Somehow my 32gb Lexar thumb drive got partioned very strangely, here is the output of lsblk: sdb 8:16 1 29.8G 0 disk ├─sdb1 8:17 1 44M 0 part /media/removable/LEXAR ...