All Questions
Tagged with performance usb
79
questions
45
votes
6
answers
186k
views
Does a USB hub affect performance?
I have two devices I want maximum throughput and latency with (MIDI drums and MIDI keyboard for example.)
Would connecting both to the same USB port via a hub effectively limit the maximum data ...
- 801
27
votes
7
answers
23k
views
Does USB version speed matter for input devices?
We know that USB v1 - v2 -v3 has different features and signal/transfer speed, I understand that storage devices will most likely benefit from the speed feature, but does the speed affect input ...
- 413
10
votes
7
answers
4k
views
USB vs. FireWire for external hard drives
For external hard drives in this question, I'm referring to traditional HDDs; the kind with spinning metal inside of them (no RAM or flash-based super-high-performance hardware):
Is there a ...
- 1,584
9
votes
1
answer
13k
views
Extremely slow speed when writing to USB FAT32 drive in Linux
I'm trying to copy around 4GB of files onto a USB 3.0 drive formatted with FAT32. The speed is ridiculously slow - 200 kBytes/sec. Writing data directly with dd is okay at about 25-30 MBytes/sec, and ...
- 399
9
votes
5
answers
7k
views
After plugging in a USB device, Win7 severely slows. What causes this and how could it be fixed?
This is the second PC undergoing this condition, both running Win7. On PC1 a Logitech device was connected through USB before installing it's branded driver (allowing windows to auto-install it), and ...
- 369
8
votes
4
answers
14k
views
How does the performance of nano/pico wireless adapters vs. regular-sized USB/PCI-E adapters compare?
Wireless N adapters come in all shapes and sizes: some have 2 antennas; some have only 1, and some have no external antenna at all. I assume that those with at least one external antenna have better ...
- 3,261
8
votes
1
answer
4k
views
How to measure actual USB3 port speed?
Not all USB3 ports are created equal.
I have a friend who develops embedded hardware that interfaces with USB chipsets. He told me that most USB chipsets that are slightly faster than USB2 (480 Mbit/...
- 1,841
7
votes
8
answers
7k
views
Recommendations for USB flash drive fast at writing small files [closed]
I want a drive that I can be used as my work drive, storing a Subversion repo and sandbox for a small project. I'd also like it to be able to store a DVD rip. At the moment I've got a Super Talent ...
6
votes
3
answers
5k
views
Is it worth to buy an external USB SSD drive for my laptop to increase performance?
I'm a programmer, and I use Eclipse for Java development. Recently I've installed an internal (SATA) SSD drive on my home machine, transferred Eclipse installation and project to it and noticed a ...
- 193
6
votes
4
answers
46k
views
Will an SSD external drive be faster than an HDD external drive on USB 3.0?
I have a Retina MacBook Pro Mid-2014 with a 256GB drive, which is small for my needs so I need to use an external Hard Drive.
I'm using a WD 4TB My Passport where I store a lot of pictures and videos, ...
- 223
5
votes
1
answer
3k
views
Should the use of USB extension cables raise a concern about latency/performance?
Is there any need to be concerned about latency in transmission of any level of data/signal for USB devices when a USB extension cable is being used?
For this example lets say it's a 50cm cable (~1.6 ...
- 6,997
5
votes
3
answers
9k
views
Why can a SD card be faster on an external USB reader rather than on a builtin SD reader?
I have a Sandisk SDHC 4GB Class 2 memory card, and I have benchmarked its reading speed with Palimpsest Disk Utility, under Linux and with my Acer Travelmate 5720G laptop.
These are the speeds when ...
- 9,516
4
votes
3
answers
468
views
Shopping for Fast USB Flash Drives [closed]
I would like to pick up some really fast USB flash drives in the 16 - 64 GB range. When looking at drives they just list their size, their form factor (key chain hook, slider, etc.) and the fact that ...
- 5,107
4
votes
3
answers
7k
views
Copy To USB 3 Drive Start With Highest Speed But Then Significantly Decreases
I have large files that I need to copy to my USB 3.0 external drive. It's a HDD with enclosure.
The problem is the copy speed. When the copy start it start at 110+ MBps, but after few seconds it goes ...
- 41
4
votes
1
answer
18k
views
How to increase RAM using a USB as RAM memory?
I'm using Ubuntu, a Linux distro.
I read some years ago about the possibility to increase the RAM by using a pen-drive USB as additional memory RAM.
I already googled that but I found only articles ...
- 283