SSD/SSHD 3GB/s Performance.

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Tyrant365

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Aug 6, 2014
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Hey guys,

So I'm led to believe a HDD has no difference whether it's 6gb/s or 3gb/s.

I'm also led to believe unless you use 6gb/s SSD's are...not pointless but......not really worth it.

I own a 1st gen i7/ Gigabyte X58 Ud...something.

I want some extra speed.

So I want to know, would an SSHD, require 6gb/s or 3gb/s?
 
Solution
Dereck47
SATA 1 (1.5Gb/s) speeds are from 1MB/s to 150MB/s.
SATA 2 (3Gb/s) speeds are from 151MB/s to 300MB/s.
SATA 3 (6Gb/s) speeds are from 301MB/s to 600MB/s.

SSHDs are marketed as 6Gb/s; meaning that you can connect it to a 6Gb/s port and it will work. Your data that is cached in the SSD portion of the SSHD can also be transferred briefly at 6Gb/s speeds, but that it. The average Read/Write speeds for SSHDs are SATA 3Gb/s speeds.

For example, the Seagate 2TB SSHD has average speeds of 156MB/s. The SSD portion of the drive (8GB) has average speeds of 190MB, and the drive has maximum sustained speeds of 210MB/s...
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Dereck47

Dereck47

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Jan 20, 2011
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SATA 1 (1.5Gb/s) speeds are from 1MB/s to 150MB/s.
SATA 2 (3Gb/s) speeds are from 151MB/s to 300MB/s.
SATA 3 (6Gb/s) speeds are from 301MB/s to 600MB/s.

SSHDs are marketed as 6Gb/s; meaning that you can connect it to a 6Gb/s port and it will work. Your data that is cached in the SSD portion of the SSHD can also be transferred briefly at 6Gb/s speeds, but that it. The average Read/Write speeds for SSHDs are SATA 3Gb/s speeds.

For example, the Seagate 2TB SSHD has average speeds of 156MB/s. The SSD portion of the drive (8GB) has average speeds of 190MB, and the drive has maximum sustained speeds of 210MB/s.
http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-sshd/en-us/docs/desktop-sshd-data-sheet-ds1788-2-1308us.pdf

As you can see, all of those speeds I mentioned above are 3Gb/s speeds.
So you can connect a SSHD to a 3Gb/s port or a 6Gb/s port on your motherboard and you will get the same performance from the drive.




 
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