All Questions
Tagged with performance usb
79
questions
0
votes
2
answers
246
views
going back and forth between a laptop and a desktop seamlessly on windows 8/7
I want to be able to use a desktop and a laptop and share applications and files.
What I was thinking of was an external enclosure (usb 3.0) with a SSD drive on which i install the operating system ...
- 23
8
votes
4
answers
14k
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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
5
votes
3
answers
9k
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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
0
votes
1
answer
3k
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Transfering files over USB2.0 (500GB)
I am transferring 500GB of files from an internal (SATA) HDD to a external USB disk (2.5 inch, one of those that use the power line on USB to power themselves). As of now the rate at which it's ...
- 361
8
votes
1
answer
4k
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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
0
votes
1
answer
190
views
Provide multiple thumb-drives via RAID 0 / USB-hub better performance than a single thumb-drive? [duplicate]
Suppose I'd attach N flash-sticks to an USB-hub and configure them using soft-RAID level 0 [striping].
Is this configuration likely to provide better throughput than a single flash-stick?
- 113
0
votes
1
answer
175
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SSD Drive - external vs Internal [closed]
I have 2 computers, a faster iMac at work (i5) and an old macbook (C2DUO 2.0Ghz) at home.
The macbook at home has a SSD drive in it, I upgraded it and it's performance is really great.
Now I was ...
- 157
4
votes
1
answer
443
views
How can I pin point a USB file transfer bottleneck in Unix?
I'm experiencing very slow data transfer speeds over USB 2.0 on my nix box and was wondering how I can pin-point the cause of the problem.
I've looked into iotop and top but the cpu and mem figures ...
- 81
1
vote
0
answers
407
views
Microkingdom USB headset not playing sound properly
My headset is playing sound that should only be playing on the left side on both left and right sides of the headset, but sound that's coming from the right is on the right side.
It's also odd that ...
- 11
1
vote
1
answer
2k
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Is an external USB3 disk really almost as fast as an internal SATA disk?
According to the specs of USB3 its max speed is 5Gbit/s and SATA is max 6Gbit/s.
Can it really be correct that SATA is only 20% faster than an external USB3 disk?
Or are there some latencies that ...
- 2,653
45
votes
6
answers
186k
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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
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
0
votes
2
answers
2k
views
file transfer over fast ethernet to external usb 2.0 harddrive
I have a homeserver in my flat. The local area network is fast ethernet and an external harddrive is connected to the server via USB 2.0.
What is the bottle neck when copying files over the network? ...
4
votes
1
answer
3k
views
Write caching causes slower performance?
USB 2.0 External WD 2TB Elements HD.
Connected to Windows XP SP3 machine, write caching disabled by default. Worked fine.
Since it is intended to be a permanent fixture (never removed), and on a UPS ...
user73728
2
votes
0
answers
57
views
Are there guidelines for the performance implications of adding multiple usb/firewire drives to a Mac?
I have noticed that I get a significant performance drop on a Mac Pro with more than 5 daisy chained firewire 800 drives. Task switching grinds to a halt, and the machine often beachballs between ...
- 236