sata3 controller/usb2.0 speed

[agros]

I recently bought a sata3 ssd. But mobo is sata2.
Is there any pci controllers for sata3?
Is the difference great?

I also bought a usb2.0  external case for 3.5" hard disks.
I transfered a 100MB file from external disk to internal, time was 100 seconds(1' and 40"), is this time normal for usb2.0 connection?

[autotech]

These specifications represent the most common version of PCI used in normal PCs.

33.33 MHz clock with synchronous transfers
Peak transfer rate of 133 MB/s (133 megabytes per second) for 32-bit bus width (33.33 MHz × 32 bits ÷ 8 bits/byte = 133 MB/s)
32-bit bus width
32- or 64-bit memory address space (4 gigabytes or 16 exabytes)
32-bit I/O port space
256-byte (per device) configuration space
5-volt signaling
Reflected-wave switching
That i think would be slower than using a sata 2 port. You will still get good speeds with sata 2 though not as good as sata 3.
SATA 2 SPEEDS depending on SSD of course.
Max Sequential ReadUp to 280 MB/s
Max Sequential WriteUp to 250 MB/s
SATA 3 SPEEDS depending on the SSD of course.
Max Sequential ReadUp to 555MB/s
Max Sequential WriteUp to 515MB/s
Either way is much faster then a platter drive.

[autotech]

Now for your second question External hard drives differ in speed even if they are both usb3. For example i have 3 sata 3 externals and my WD is by far slower than my other 2 seagates. All are1 Terabyte drives This is from my seagate external i benchmarked them all one night after i used the WD and it seemed so slow.
 USB2 benchmarks
Minimum 31MBps
Maximum 33.5 MBps
Average 33.3 MBps
Acess time 17.4MBps

USB 3
transfer rate Minimum 49.4 MBps
Maximum 110.5 MBps
Average 84.3 MBps Burst rate 178.6 MBps
Acess time 17.3 MBps
Write 68.7 MBps

[agros]

My friend,
thanx for the answer, but no need to write these theory numbers. The points are-->

- Is there any sata3 pci card controller?
- Is there serious difference between ssd sata2 and ssd sata3? Not in benches, in daily use.
- I connected an extrernal usb2.0 disc in a usb2.0 port. I transfered an 100MB file from external disk to internal, time was 100 seconds, is this time normal?

[autotech]

Time is normal yes give or take a mb or two. There are many sata 3 pci-e controllers. the point is a pci slot only carries 133MBps bandwidth and therefore would bottleneck any advantage you would get from a sata 3 drive.

[autotech]

- Is there any sata3 pci card controller?

NO

- Is there serious difference between ssd sata2 and ssd sata3? Not in benches, in daily use.

2 seconds on boot up otherwise not that the eye can tell to much. Wifes laptop has a sata 2 ssd is really quick mine has sata 3 is just a tad snappier.

- I connected an extrernal usb2.0 disc in a usb2.0 port. I transfered an 100MB file from external disk to internal, time was 100 seconds, is this time normal?

Took me 35 seconds for a 105 mb file on a sata 2 usb

[agros]

So, your answer in  is there any sata3 pci card controller? is

There are many sata 3 pci-e controllers.....

NO

  yes or no? 

There are many sata 3 pci-e controllers. the point is a pci slot only carries 133MBps bandwidth and therefore would bottleneck any advantage you would get from a sata 3 drive.

Suppose that the pci (simple pci or pci_xpress?) sata3 card controller will give u the attributes(speed) of sata3.

Took me 35 seconds for a 105 mb file on a sata 2 usb

It took u 35’’, it took me 100’’… This means that maybe my usb2.0 is disabled?

[autotech]

PCI and PCI-E are 2 different slots.  This has went on way to long you can not get a PCI card that will run sata 3. You can get a PCI-E card that will.

[kosobai]

Is there any pci controllers for sata3?
Is the difference great?

I also bought a usb2.0  external case for 3.5" hard disks.
I transfered a 100MB file from external disk to internal, time was 100 seconds(1' and 40"), is this time normal for usb2.0 connection?

1) No.
2) Subjective question. Depends on the SSD and how you use it. Routinely manipulating large files; maybe, but as your board doesn't support SATA3 it's a moot point. As has been stated before, even with the inferior SATA2 interface, you will still have a perfectly useable machine.

3) USB 2 will give you peak transfers of about 25 MB/s. I would say that 100 seconds is slow for a single file transfer of that size. If you were transferring thousands of small files, then yes, expect the transfer time to go up.

[agros]

PCI and PCI-E are 2 different slots.  This has went on way to long you can not get a PCI card that will run sata 3. You can get a PCI-E card that will.

I know that pci and pci_xpess are different slots, thats why I asked for which exactly slot you speak.

I also know that there are more than one Xpress types. My soundcard is pci_xpress_x1.

No.

So, the only way is to buy a  sata3 mobo?
Note: Is there any pci_xpress sata3 controller card? (fully working in sata3 speed, of course)

Subjective question. Depends on the SSD and how you use it. Routinely manipulating large files; maybe, but as your board doesn't support SATA3 it's a moot point. As has been stated before, even with the inferior SATA2 interface, you will still have a perfectly useable machine.

We r talking about if it worths to buy a sata3 mobo and you tell me “…but as your board doesn't support SATA3” 
SSD is  Intel 330 120GB (Read 500 MB/sec - Write: 450 MB/sec).
What exactly does it mean for someone to have sata3 instead of sata2, what is the profit?
I know that I ll “still have a perfectly useable machine” since I have ssd from 2009.
But now I got a sata3 ssd in a sata2 mobo and I try learn whats the missing profit(if any).  

USB 2 will give you peak transfers of about 25 MB/s. I would say that 100 seconds is slow for a single file transfer of that size. If you were transferring thousands of small files, then yes, expect the transfer time to go up.

No, it was a solid file. If speed is 25MB/sec then it should  took me  4 sec for a 100MB file, right? (This works from external to internal, or internal to external, or both?)
Maybe my usb2.0 port is disabled? It took me x25…