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Would SATA 1.5Gbps bottleneck SATA 3.0Gbps hard drives?

post #1 of 10
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I have a few SATA 3.0Gbps Hitachi and Samsung hard drives. Would they be bottlenecked by an original first generation SATA 1.5Gbps controller? No RAID.
post #2 of 10
Yes.
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post #3 of 10
I suppose it's the same for SATA III hard disks bottlenecked by my Corsair 800D with SATA II ports on the hot swap bay... Thanks for that Corsair =(
post #4 of 10
Quote:
Originally Posted by d3viliz3d View Post
I suppose it's the same for SATA III hard disks bottlenecked by my Corsair 800D with SATA II ports on the hot swap bay... Thanks for that Corsair =(
No. Mechanical SATA 3 disks doesnt saturate the SATA 2 interface.
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post #5 of 10
Quote:
Originally Posted by Sanders54 View Post
No. Mechanical SATA 3 disks doesnt saturate the SATA 2 interface.
Are you sure? Then what would be the point in mounting the Sata 3 backplane?
post #6 of 10
Quote:
Originally Posted by d3viliz3d View Post
I suppose it's the same for SATA III hard disks bottlenecked by my Corsair 800D with SATA II ports on the hot swap bay... Thanks for that Corsair =(
Heh, no. The cable is the same.

However, if you plug a SATA3 device into a SATA2 port you will not be able to fully utilize the potential of the drive.

It should work fine though, I doubt you'll notice much speed difference in reality.
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post #7 of 10
you wont notice that much difference they will be just slightly slower. Mechanical Sata2 drives dont actually run at 3Gbits a sec. Raptors dont even get to the 3Gbits a sec they only get to the 3Gbits a second when they are filling the cache which is in short bursts
post #8 of 10
Quote:
Originally Posted by Sanders54 View Post
No. Mechanical SATA 3 disks doesnt saturate the SATA 2 interface.
This. Most (all?) current generation mechanical hard drives don't even fully utilize SATA 2. Heck, even most SSD's don't even fully saturate SATA 2.
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post #9 of 10
Quote:
Originally Posted by Riou View Post
I have a few SATA 3.0Gbps Hitachi and Samsung hard drives. Would they be bottlenecked by an original first generation SATA 1.5Gbps controller? No RAID.
Yes, but you're unlikely to notice unless you're running benchmarks.
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post #10 of 10
Quote:
Originally Posted by AtomicFrost View Post
This. Most (all?) current generation mechanical hard drives don't even fully utilize SATA 2. Heck, even most SSD's don't even fully saturate SATA 2.
Yep.

Mechanical drives barely hit the limits of SATA1.5 Gb/s.
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