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PNY Attaché Flash Drive - Maximum Writing Speed
What is maximum writing speed of the PNY Attaché Flash Drive (256 MB capacity)?
✍: FYIcenter.com
The best way to find out the maximum writing speed of your PNY Attaché Flash Drive
is to run writing tests with a single large block of different block sizes:
sqlio -LS -kR -i1 -f1 -t1 -s60 -p0 ...
If we run SQLIO with above options and different block sizes, we should be able to find the maximum writing speed:
Throughput Throughput Latency Block Size MBs/sec IOs/sec ms ---------- ---------- ---------- ------- -b16 0.25 16.53 60 -b64 1.02 16.33 60 -b256 2.79 11.19 88 -b1024 4.07 4.07 245 -b4096 4.59 1.14 870 -b16384 4.73 0.29 3375 -b65536 4.76 0.07 13428
As you can see, the maximum writing speed, 4.76 MBs/sec is reached with a block size of "-b65536", or 64 MB.
Put together with the maximum reading speed of 4.67 MBs/sec, now we know that speed limit of PNY Attaché Flash Drive is about 4.70 MBs/sec for both reading and writing.
⇒ I/O Tests on Azure Virtual HD and Storage
2019-07-19, 377👍, 0💬
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