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19
votes
6answers
11k views

Is there any benefit to plugging a USB 2.0 device into a USB 3.0 port?

I know USB 3.0 is almost entirely backward-compatible, and I know that it introduces a new speed that USB 2.0 devices aren't capable of, but is there any advantage to having a USB 2.0 device in a USB ...
17
votes
5answers
5k views

Can two drives connected to a USB hub bypass the computer when sharing data?

If I connect two usb drives to an external USB hub and I copy data from one drive to the other, does the data go through computer? Or will the data be managed by the USB hub? Does this have some ...
4
votes
2answers
22k views

How many devices can be plugged into a USB hub, and how is power distributed amongst them? [closed]

Is it possible to connect a USB hub to a hub that is connected to a hub and a hub and.. and.. and to a laptop? I was thinking there are bound to be some "overhead" like if without the hub we have 100%,...
4
votes
2answers
84 views

Does an INTERNAL USB hub affect performance?

I searched a little bit on the subject, but I couldn't find any clear answers, so I'm asking this question: Will the performance of a USB hub connected directly to the motherboard be shared between ...
3
votes
1answer
2k views

Is using a powered USB hub Raspberry Pi DC power and USB data a good idea? Or does it create an odd, circular dependency that could blow the hub?

I have Raspberry Pi model A which has only one USB port. So I bought the cheapest electrically powered USB hub (AC adapter that has an output of DC 5V at 1000 mA) I could find—kind of in the spirit of ...
3
votes
2answers
2k views

Computer doesn't boot when a wireless keyboard/mouse is connected through a USB hub

I'm using a wireless keyboard and mouse (MS 6000). When the wireless receiver was connected directly to the computer case everything worked fine (I had to enable some USB related setting in the BIOS ...
2
votes
3answers
910 views

What is the power supply cable connected to most USB hubs called?

I recently bought a USB 7 Port Hub with external power supply, but unfortunately it got burnt out. I have searched everywhere using the keywords that I know but unfortunately can only find diy guides ...
2
votes
1answer
495 views

What makes a good and reliable USB Hub? [closed]

I've gone through 2 USB hubs for my laptop and they both seemed to be unreliable. Both of these USB hubs are not powered. If I plug both keyboard and mouse, one of the devices won't work. Or if I ...
2
votes
2answers
2k views

How to test power capabilities on USB 3.0 hub?

Salvete! I recently purchased a USB 3.0 hub and, since it didn't come with a power adapter, I acquired one separately. I am attaching it to a computer with a low-output power supply, so it is ...
2
votes
2answers
3k views

Ten external hard drives through a USB hub

I have bought a 10 port USB Hub with power, and attached that to one port at the back of my PC. Connected to the hub are ten external hard drives. Is this set-up safe, or can it do damage to my ...
2
votes
1answer
445 views

Why does my data card not work with USB-hub for 2G network

My data card works fine with 3G networks. My laptop has only two USB ports and both are too close to connect a wide data card and a hub for mouse and keyboard. As for the make/build: Windows ...
2
votes
0answers
32 views

Maximizing speed of USB 2.0 clients on USB 3.0 hub

I need to connect 2 USB 2.0 cameras and one USB 3.0 SSD to a single USB 3.0 hub. I would like both of the cameras to run at 480 Mbps and the SSD to use the rest of the bandwidth. Is this possible? I ...
2
votes
0answers
184 views

USB hub advertised as 2.0 actually works as 1.1

I bought this USB hub http://www.ebay.com/itm/281298880612 which is supposed to be a USB 2.0 hub. When I plug a pendrive in to the hub, Windows gives the message "This device can perform faster if you ...
2
votes
0answers
218 views

Why would attaching a USB hub affected the performance on a Mac?

My brother-in-law bought a 10 port active USB hub and connected it to his iMac(it's couple of years old). Over the course of about a week he noticed that his computer's performance has slowed quite a ...
2
votes
0answers
396 views

USB Hub vs. Dockinstation USB vs. Laptop USB

I recently had thougts about my current setup in my office, especially about the UBS ports distribution. Here's my setup: I have a Lenovo T410 docked to a Lenovo Dockingstation Series 3, that ...
1
vote
3answers
537 views

Need a quality USB hub that is able to power external hardware [closed]

What is the most useful USB hub that you have had experience with. I have a Seagate FreeAgent Go that is powered by USB and I want to get a USB hub that is able to provide me with more USB ports and ...
1
vote
4answers
1k views

Laptop won't wake from sleep when external Keyboard and Mouse are plugged in via USB Hub. How to fix?

We have an ASUS Zenbook UX305FA laptop running Windows 10 that is able to be woken from sleep with an external Keyboard and Mouse when they are plugged-in directly into their individual USB ports. ...
1
vote
4answers
8k views

Can't a USB hub power keyboard and mouse at same time?

I'm trying to use a Dell mouse and keyboard via a single USB port using the USB splitter hub, but the devices seem to misbehave. Just one of the devices work when I connect both. I figured out it's a ...
1
vote
1answer
1k views

Will connecting USB controllers to a hub with extension cables cause interference, signal loss or even input lag?

I'd like to connect 3 devices to a USB hub. The USB hub is then connected to my PC with an extension cable. Each device would need an extension cable of approx. 1m, which is then connected to the hub....
1
vote
3answers
2k views

MIDI Over USB-Hub: Latency?

I am connecting an NI Maschine (hardware) over USB to my Macbook Pro. Right now I'm using a USB 2.0 powered hub (by DLink or Belkin, depending). It seems fine, but these things can be hard to detect. ...
1
vote
1answer
827 views

Powered USB Hubs vs. non-powered ones for external hard drives, sound cards, etc?

I am looking into getting a D-Link or Vantec powered USB hub, but I am not sure if it will solve my current problem - I have an external HD dock (for 2 hard drives), external sound card (Presonus ...
1
vote
1answer
204 views

Data Integrity with Desktop External HDD connected to daisy chained Dell Monitor USB hub

I have two Dell U2412M monitors, both of which have USB hubs built into them. I have one of those hubs connected to my MacBook Pro directly, and that hub has a webcam plugged into it. I want to ...
1
vote
1answer
374 views

inconsistent USB connection between mobile and computer - lack of power or faulty hub?

I am using a four port cheap USB hub, plugged into a GoFlex Home on one side, with a Micromax Q5 mobile on the other. The only other device plugged into the hub is a flash drive, which functions ...
1
vote
1answer
334 views

Is a 2-Port USB 2.0 Hub faster than a 7-Port USB 2.0 Hub

I have a computer with about 6 external hard drives connected, however it's died and i'm replacing it with another computer with only 4 USB 2.0 ports. I have a 7 Port USB 2.0 Hub that is connected to ...
1
vote
0answers
15 views

USB 2.0 DAC amp will not work on USB 3.0 hub but it will work on USB 2.0 keyboard hub connected to the same USB 3.0 hub

The problem setting involves 4 devices: Lenovo X1 Carbon Type 20BS Anker 7-Port USB 3.0 Hub Schiit Fulla USB 2.0 DAC amp Das Keyboard Model S Professional Mechanical Keyboard I have tried the ...
1
vote
0answers
40 views

A powered USB hub that automatically formats? [closed]

I am going to start off by stating that I don't know if this exists yet or not, but I am stuck. What I am trying to make/purchase is a USB hub that is able to automatically format the drive, wiping ...
1
vote
0answers
102 views

Is it possible to get an internal usb port into my notebook?

I have a special piece of hardware that I soldered together and I have built it into my notebook. The problem is: The device requires to be connected to the computer via USB. At the moment I have a ...
1
vote
0answers
39 views

Optimize linux USB hub IO scheduling for external harddrives

When using several harddrives on an USB 3.0 hub, copying large files between them gives transfer rates far below expectation. My guess is, that the hub introduces contention delays as we see if ...
1
vote
0answers
415 views

Can I power a nexus 7 through a powered USB hub?

I am building a setup to use my Google Nexus 7 as a SNES. I have the games figured out, and my plan is to plug a USB hub into my OTG cable which is plugged into the device. In the hub, there are two ...
1
vote
0answers
314 views

USB Hub powers down in sleep mode on Win 7 x64

I would like the USB hub to remain on in sleep so I can wake up the laptop from an external keyboard and mouse. I have set all the device drivers by unchecking allow this device to be powered down ...
0
votes
2answers
688 views

USB hub that doesn't suck? [duplicate]

Possible Duplicate: What makes a good and reliable USB Hub? Hi, It could be just my bad luck, but it seems like whenever I have used USB hubs they are completely useless. For example, my new ...
0
votes
1answer
53 views

Troubleshooting overheating USB Hub

I have a Maxxtro MX-UCZ USB 3.0 Hub and recently it started getting hot for no apparent reason. After opening the enclosure and looking at the board from both sides I have seen that all solder joints ...
0
votes
1answer
187 views

What's a good power supply (volts and Amps) to power a USB hub to use with external HDs

I'm using a 7 port usb hub found here: http://www.ebay.com/itm/AC-Power-Adapter-Cable-for-PC-Laptop-7-Port-USB-3-0-Hub-On-Off-Switches-/331707642029 The power supply it came with was very weak. It ...
0
votes
2answers
115 views

MacBook Air Needs a USB Hub

I'm suffering from USB creep and need the maximum number of hubs possible. Should I get a USB 3.0 rated hub even if my devices are not USB 3.0? In other words, does the added speed of 3.0 allow the ...
0
votes
1answer
7k views

Driver required for USB-3 hub support on Windows 7?

I just purchased a Koutech HU-430 4-port USB SuperSpeed hub. When plugged into a USB-3 port using the included USB3 A/B cable, Windows detects it as a "Renesas Electronics USB 2.0 hub". Does this ...
0
votes
1answer
480 views

USB 3.0 hub seems to freeze startup

When my USB 3.0 hub is connected, my Ultrabook has start-up problems. The Windows logo appears momentarily then the screen goes black and freezes completely. If I disconnect the USB 3.0 hub and force ...
0
votes
1answer
648 views

USB 3 Hub to drive dual monitors from Laptop @ 2560 x 1440

Taking this USB 3.0 Docking Station with Dual DVI/HDMI/VGA Video (sd3500v) as an example. I'm trying to find out what hardware configuration/spec a laptop would require to allow it to drive two Dell ...
0
votes
1answer
288 views

Differences between “industrial” and “home” usb hubs? [closed]

I suspect that some of my USB issues are related to the hub that I am using, and I did some research on "industrial" USB hubs. So far, it looks like these hubs offer the following major differences: ...
0
votes
0answers
17 views

How to control Port Indicator on USB Hub

some background-story: Some days ago i had to copy a pdf file to multiple usb sticks for customers. in this process i wished i could write a script that blinks the port led of a port where the copying ...
0
votes
0answers
19 views

Computer not recognizing external Hd after extended period of time

First things. I have an almost 5 year old HP Pavilion G7-1260us 17in laptop computer. It is Intel Core i3-2330M @2.20Ghz with 4Gb of internal memory running Windows 10 version 1511 build 10586.218. It ...
0
votes
0answers
108 views

Imaging Surface Pro 4 with USB Hubs

Here's the story... At work we are starting to deploy Surface Pro 4s and our imaging server doesn't support booting from UEFI BIOS (its a Dell K2000). The only way to get it to work is to boot the ...
0
votes
0answers
54 views

Better solution to video capture

I'm looking for ideas, then whatever solution will be welcome :) I have an infrastructure that I used 20 EasyCap USB2.0 in 10 different computers to capture video via ffmpeg by ffdshow (2 usb for ...
0
votes
2answers
60 views

If wattage becomes insufficient on USB Hub, does bandwidth begin to decrease or devices just fail?

Consider a 60-watt USB 3.0, 7-port, Hub with 2 (12-watt) Fast Charge ports. HooToo USB 3.0 7 port + 2 "fast charging" ports (HT-UH010) = 60-watt adapter; (USB 3.0 port at 5-watts) * 7 ports = 35-...
0
votes
0answers
205 views

Intel USB 3.0 eXtensible Host Controller - Exceeded Number of Supported Devices?

This problem was already matched up in serverfault ( http://serverfault.com/questions/683404/intel-usb-3-0-extensible-host-controller-exceeded-number-of-supported-devices ) but i found some ...
0
votes
0answers
148 views

USB Ethernet adapter keeps disconnecting

I have a surface Pro (the first generation). I had not that much money to buy an expensive docking station, so I've got a USB-HUB and connected a USB Ethernet Adapter to it. Using it, my Bandwidth is ...
0
votes
0answers
114 views

Pendrive recognized as USB 1.1 device

I have just pluged-in my old USB pendrive to simple nettop with Windows 7 on board. I used every of three USB ports and in each of them I saw standard Windows notice, that this device can work much ...
0
votes
0answers
53 views

USB 3 hub does not work until unplugged and plugged back in

I got fed up of contorting myself to reach the back of my PC whenever I wanted to plug something in, so I bought a USB 3 hub so that it could be on my desk and I'd only have to reach over to it on my ...
0
votes
1answer
19 views

speed of USB 3 when connected to several USB 2 devices

I am wondering what is the speed of a USB 3 hub when 2 or more USB 2 are connected to it? to be more specific: Assume that I have a USB 3 device which is connected to say 2 USB camera. Each USB ...
0
votes
1answer
129 views

USB host controllers broken on every reboot

Something happened (including Windows Updates?) and now every time I reboot, most of my USB host controllers/root hubs are not working: The broken ones say: This device cannot start. (Code 10) ...
0
votes
1answer
256 views

Why does my generic USB hub not allow my PC to find a second plugged-in flash drive?

On my Dell Model i3531-1200BK (running Windows 8.1) I am using a 4 slot (no name) generic USB hub that works fine with one flash drive. But when a second flash drive is inserted, the laptop starts ...