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Sata 3 confusion???? Am I missing something???

post #1 of 13
Thread Starter 
This may be a dumb question but....I don't know the answer lol.

So...let's start with a hypothetic. Let's say we have an SSD that can do 200MBps Read, and 200MBps Write.

Now, let's say one is Sata2 and one is Sata3. Heck, let's have another that is Sata1.

So here is my question (which you probably already have anticipated), which is faster? Is sata3 actually any faster (in THIS case) than Sata1?

I mean...if you are only transferring a theoretical 400MBs peak (if reading and writing at the same time is possible?), then does it even matter if you have a sata port that can do 6GBps?

Thanks Guys! Don't bash me too much haha! I just want to know now that Sata3 is saturating the market.
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post #2 of 13
Theoretically SATA 6Gb/s can transfer faster than the previous SATA standards.

Realistically transfer speeds are still limited by the storage mediums on either end of the connection. You would have to build a hell of a solid-state storage array to fully saturate SATA 6GB/s.
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post #3 of 13
The interface is like a pipe, a small amount of water isn't going to flow through any faster
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post #4 of 13
Thread Starter 
Quote:
Originally Posted by MCBrown.CA View Post
Theoretically SATA 6Gb/s can transfer faster than the previous SATA standards.

Realistically transfer speeds are still limited by the storage mediums on either end of the connection. You would have to build a hell of a solid-state storage array to fully saturate SATA 6GB/s.
I am aware of this, but for "normal" circumstances like "this," does Sata3 even matter? or make a difference?
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post #5 of 13
In your example. 200MB/s will NOT bottleneck Sata 2 or Sata 3.
It will theoretically bottleneck Sata 1, since it's limited to 150MB/s.
So in your example, Sata 2&3 will be faster than the Sata 1.

Quote:
Originally Posted by Rider85 View Post
This may be a dumb question but....I don't know the answer lol.

So...let's start with a hypothetic. Let's say we have an SSD that can do 200MBps Read, and 200MBps Write.

Now, let's say one is Sata2 and one is Sata3. Heck, let's have another that is Sata1.

So here is my question (which you probably already have anticipated), which is faster? Is sata3 actually any faster (in THIS case) than Sata1?

I mean...if you are only transferring a theoretical 400MBs peak (if reading and writing at the same time is possible?), then does it even matter if you have a sata port that can do 6GBps?

Thanks Guys! Don't bash me too much haha! I just want to know now that Sata3 is saturating the market.
    
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post #6 of 13
Using the SATAIII ports over the SATAII ports will only make a difference if the drive in question is fast enough to completely saturate the 3Gb/s pipe. Only a handful of SSDs exist on the market that are capable of this.
post #7 of 13
Thread Starter 
Sweet! Thanks Guys! +1 Rep

(oh, woops. I thought Sata1 did 1.5Gbps for some reason... >.>)
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post #8 of 13
Quote:
Originally Posted by Rider85 View Post
Sweet! Thanks Guys! +1 Rep

(oh, woops. I thought Sata1 did 1.5Gbps for some reason... >.>)
gigabits vs gigabytes.
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by ablearcher View Post
gigabits vs gigabytes.
Right, which translates into how many Megabytes Per Second?
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post #10 of 13
Quote:
Originally Posted by Rider85 View Post
Right, which translates into how many Megabytes Per Second?
1.5Gb/s=0.1875GB/s = 187.7 Megabytes per second. Rounds to about 150MB/s for conversations on SATA I.
    
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