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Windows 7: file transfer

23 Jan 2012   #11
padyboy

win 7 home premium 64 bit
 
 

It appears that eSATA varies considerably in values, depending on the units on the left axis (is this my supposed 40Mbps speed?. Otherwise, it is considerably higher that the other two. USB 3.0 is considerably lower than 2.0, but would require installation of a new card on my motherboard.

Considering my situation ( USB 2.0, drive cage capable of 3.0) and intended installation of an internal storage drive, what would you recommend? eSATA seems much faster and more expensive. What about my present motherboard and microprocessor capability of 3.0G???

Please advise. I am still confused.




My System SpecsSystem Spec
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23 Jan 2012   #12
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

On average USB 3.0 will be 2-2.5 times faster than USB 2.0. eSATA is considerably faster than either and depending on the hard drive and the external enclosure, will be close to that of an internal hard drive. Esata would also be cheaper.

Esata Bracket.
My System SpecsSystem Spec
23 Jan 2012   #13
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Very nice comparison. It confirms what I had experienced comparing speed of images on eSata and USB3. There must be an enormous overhead in USB3 because theoretically, the port is faster than eSata. Not that this matters a lot given the speed at which the HDD can feed. But one would expect it to be at least equal.
My System SpecsSystem Spec
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23 Jan 2012   #14
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

padyboy, If you want an external solution, eSata is the best. But if you have an available Sata port on your mobo and a free disk bay, that would be the cheapest and fastest solution. Also check your PSU for an available power cable. Else you'll have to split one.
My System SpecsSystem Spec
23 Jan 2012   #15
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

I don't know if it is true, but I have read that it is because esata is sata to sata. USB puts out a different signal and has to be 'translated' from USB to sata.
My System SpecsSystem Spec
23 Jan 2012   #16
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by essenbe View Post
I don't know if it is true, but I have read that it is because esata is sata to sata. USB puts out a different signal and has to be 'translated' from USB to sata.
That would explain it. I wonder where the 'translation' takes place and whether it depends on the CPU - which I doubt.
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23 Jan 2012   #17
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

My guess would be that it takes place at the external enclosure. I would think it is a USB cable and must carry a USB signal up to the point where it goes into the hard drive. Like you, I seriously doubt the CPU has anything to do with it. That is just what I would think. I really don't know the answer.
My System SpecsSystem Spec
26 Jan 2012   #18
padyboy

win 7 home premium 64 bit
 
 

Quote   Quote: Originally Posted by Mystere View Post
USB storage is typically pretty slow. You don't mention whether you are copying to a flash drive, or an external HDD.

Flash drives have very poor write performance in most cases, typically 10MB/s or less. If you are writing a single file, it will take less time than writing a lot of small files. I've found that lots of small files makes the amount of time go up considerably.

If you're using a cable to connect your drive, the length of the cable can cause performance slowdowns. Also, connecting to the front USB connectors is often significantly slower than connecting to the back ones, since the cables used internally are often not of very good quality.




What if I go through a usb hub connected to my rear cpu port?
My System SpecsSystem Spec
26 Jan 2012   #19
padyboy

win 7 home premium 64 bit
 
 

[QUOTE=Mystere;1759311]Yes, an internal drive will be faster than USB in most cases. Typically significantly faster.

USB 2.0's maximum transfer rate is 480 Mbit/s, which in practice is nowhere near that. Internal SATA II will do 3Gbit/s (again, in pracite you won't get that much, but it's still much faster than USB's maximum).

So, you'll typically see at least 6x speed difference between internal and USB.

I'm not sure what you mean by "copy vs. transfer". transfer is a pretty generic term, and is often used to mean copy, or download. Do you mean copy vs. move? If you want to move a file (delete the original after copying) then simply hold down the ctrl+alt keys when you drag and drop. Move is the default when dragging and dropping a file on the same disk, but copy is the default between disks.

Easy data cable? That's typically used between two different computers, not one computer and a drive.[/QUOTE]

I believe Easy Data Cable was suggested to avoid a RAID configuration. I thought this cable might accelerate moving files to my external usb drive.
My System SpecsSystem Spec
17 Feb 2012   #20
padyboy

win 7 home premium 64 bit
 
 
"move" rather than "transfer"

[QUOTE=Mystere;1759311]Yes, an internal drive will be faster than USB in most cases. Typically significantly faster.

USB 2.0's maximum transfer rate is 480 Mbit/s, which in practice is nowhere near that. Internal SATA II will do 3Gbit/s (again, in pracite you won't get that much, but it's still much faster than USB's maximum).

So, you'll typically see at least 6x speed difference between internal and USB.

I'm not sure what you mean by "copy vs. transfer". transfer is a pretty generic term, and is often used to mean copy, or download. Do you mean copy vs. move? If you want to move a file (delete the original after copying) then simply hold down the ctrl+alt keys when you drag and drop. Move is the default when dragging and dropping a file on the same disk, but copy is the default between disks.


------------------------------------------------------------------

I have installed an internal SATA storage drive in my CPU. I now wish to move files to my storage drive while simultaneously deleting the file from my HDD.
I have not found a "move" selection on my Win 7 menu. I will continue looking.
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