Two Port Esata
Two Port Esata
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eSATA transfer speed?
When I bought my new External HDD I paid more for the one with the eSATA connection for the speed. My new laptop has eSATA, and yes I am using the correct ports, but during copying my files over using Vista it says my transfer rate is only a total of 35 MB/sec. I copied three folders using drag/drop from one window to the other. The three copies had rates of 25 MB/sec, 5 MB/sec, and 4 MB/sec (rounded). Then when the one finished, the other two had rates of 5 MB/sec, and 8 MB/sec. I thought eSATA was like 3 GB/sec transfer rate! Am I doing something wrong in the way I'm moving files to my external HDD? In case it matters, I was transferring the folders from My Documents - Pictures, Music, and Video. Please help!
This is not a definite answer for your problem, but I just want to state it does matter what size files you are moving. For example when I connect to my FTP website and upload 100mb of html files (average size 2kb) my transfer speed is like 5-10kb/s because the connection between the computers never has the time to reach my upload speed 512kb/s before the file being moved is done being moved.
Same applies to moving files around on hard drives. If the files are small (really what's 100-200kb when we're used to seeing hundreds of mb and gigs) the maximum transfer rate will never be reached. There are a multitude of ways to measure local transfer rates.
Technical mumbo jumbo going into nerd detail
http://en.wikipedia.org/wiki/Serial_ATA
SATA 3 Gbit/s (Second generation)
"... maximum data throughput from 150 MB/s to 300 MB/s"
Think about it this way, marketing teams create the packaging your product comes in, not the techies. A lot of stats are based on lab environments we will never have in our homes. Or the fact that you don't get 1TB (or any size you're buying) when buying a 1TB hard drive. Very small disclaimers, false information, etc.
