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

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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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1answer
14k views

Should I enabled or disable xHCI hand-off in BIOS setup, when running Windows 7?

I have a Jetway NF9E-Q77 motherboard which supports USB 3.0. An Intel driver is available to enabled USB 3.0 support in Windows 7. Assuming the driver is installed, should xHCI hand-off be enabled ...
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0answers
8 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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1answer
33 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
48 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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4answers
11k views

How to tell if my MacBook Air supports USB 3.0

How do I tell if my MacBook Air supports USB 3.0. I found About This Mac → More Info... → System Report... → Hardware → USB But nothing there clearly states version 2.0 or 3.0. How can I know for ...
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1answer
62 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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1answer
16 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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4answers
3k views

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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1answer
2k views

USB 3.0 ports on newly built PC don’t recognize USB 3.0 devices

I have recently bought and built a new PC: Windows 8 Enterprise x64, and Gigabyte GA-Z87-HD3 motherboard. Now that everything is put together and installed I am facing only one problem. I own an ...
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5answers
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Why aren’t there any USB 3.0 to Gigabit Ethernet adapters out there?

I’m looking for an adapter that will let me use a USB 3.0 port as a Gigabit Ethernet port. This is proving surprisingly hard to find! Is there some reason why this product is either unavailable or ...
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1answer
13 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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0answers
30 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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1answer
588 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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3answers
44k views

What does the BIOS setting XHCI Pre-Boot Mode do?

I have a BIOS setting called XHCI Pre-Boot Mode. If I have this enabled USB devices which aren't plugged in at boot are never recognised, if I set it to Disabled then USB devices work normally. The ...
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2answers
4k views

USB 3.0 flash drive won't work in SuperSpeed mode under Windows 8

I recently purchased a 16GB SanDisk Ultra USB 3.0 flash drive that boasts 80 MB/s read speeds but when I connect it to my Lenovo G500s notebook (USB 3.0 enabled) running Windows 8 Core, it only ...
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3answers
203k 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.
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2answers
62 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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0answers
459 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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2answers
6k views

Does a USB 2.0 device connected to a USB 3.0 hub slow down the hub to 2.0 speeds?

At work, I want to plug all my USB devices into a single USB hub so I only need to plug one USB cable, external display, and the power cable into my laptop. I have some USB 3.0 devices and some ...
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1answer
69 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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2answers
49 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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0answers
35 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
350 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
62 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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2answers
1k 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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1answer
877 views

Seagate External USB 3.0 HDD doesn't register when connected?

I've got a Seagate FreeAgent GoFlex Desk 2TB External USB 3.0/2.0 Hard Drive that I use for backups. I previously had issues with USB ports not supplying sufficient power to the drive, but that was ...
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1answer
528 views

“This device can perform faster.” Appears Even Though I Inserted External HDD to USB 3.0 Port

I have a 1TB WD My Passport external HDD. It supports USB 3.0 and has an USB 3.0 cable. Whenever I connect it to my laptop, the message "This device can perform faster. This USB mass storage device ...
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0answers
32 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
181 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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Are USB 3.0 ports yellow?

My laptop has a yellow USB port. Is it USB 3.0?
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1answer
56 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
72 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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3answers
3k views

How do I connect two computers using USB 3.0?

I know this question exists, but it's about USB in General. Mine is about USB 3.0 and newer specifically. USB 3.0 specification introduces the feature known as direct host-to-host connection with ...
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0answers
100 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
986 views

32GB Flash Voyager doesn't work on new PC with USB 3.0

I have recently built a new PC and my pendrive is not working correctly. When I plug it into the USB port (I have only USB 3.0 ports), Windows recognizes it and lists it in Explorer, as usual. I ...
2
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1answer
82 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
151 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 ...
0
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1answer
182 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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9answers
187k views

How to find out which USB port is USB 3.0?

In my laptop (a Lenovo y470 ) there are three USB ports. One of those is USB 3.0 others are USB 2.0 . I do not know which one is what. When I copy data from my External HDD it transfers at 38MB/s from ...
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1answer
223 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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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
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Will a mobile phone charge faster if plugged into a USB 3.0 port

Will a phone(or any device for that matter) charge faster if it is plugged into a USB 3.0 port compared to a USB 2.0 port? I know to assist charging you can turn features off(with flight mode) or ...
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0answers
740 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
452 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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1answer
563 views

Looking for external portable hard disk drive with both Superspeed USB3.0 AND eSATA? [closed]

All I can find is: eSATA and USB2.0 not USB3.0 eSATA only USB3.0 only Enclosure/caddy with USB3.0 and eSATA for housing bare hard drive: ...
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0answers
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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1answer
707 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
76 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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0answers
159 views

laCie 1TB USB3.0 not detected in windows 7 64bit

I have a problem with my laCie rugged USB3.0 1TB. When I connect it via USB2.0 it works correctly according to USB2.0 specifications. Recently, I have bought a USB3.0 adapter and when I connect the ...