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SATA or SATAII

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k2000k   01-28-2006 at 11:32:45 PM

What are speed differences between SATA and SATA II and should I go with SATA II or would SATA be fine for a gaming computer?

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Aryajan79   01-29-2006 at 12:09:17 AM
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Don't be fooled by their specs(SATA=150 MB/s & SATA II=300 MB/s).These are the bus speed not the real speed.Even a 15000 RPM SCSI HDD can't send/recieve data at 300 MB/s!!
Stick with a SATA HDD (7200 RPM) or a 10000 Raptor from Western Digital( if its price is affordable).

Arya from Tehran

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Mfusick   02-01-2006 at 01:07:37 AM
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So a SATA II 3G model drive is not better than a normal SATA drive?

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nobly   02-01-2006 at 01:21:31 AM
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The only way you'd even come close to maxing out the SATA 1 spec is to have 3 HDD's in a RAID 0 mode. One HDD averages 60MB/s (unless its a raptor) and the SATA 1 spec is 150MB/s.

If you're looking at pure bandwidth there is no difference between SATA 1 and SATA II for typical users. Look at the other features to figure out which one to buy.

The SATA spec relates to the bandwidth that each SATA controller can handle, not the drive's bandwidth. The HDD is just saying is SATA II compatible. SATA II is backwards compatible with SATA 1.

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Mfusick   02-01-2006 at 02:02:08 AM
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Got IT!

So my two drives in RAID zero don't neccessarily need to be 3G drives, or take advatage of the 3G controller?

A normal SATA drive, and sata controller would perform just as fast?

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pat   02-01-2006 at 04:23:50 AM
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Quote :

Got IT!

So my two drives in RAID zero don't neccessarily need to be 3G drives, or take advatage of the 3G controller?

A normal SATA drive, and sata controller would perform just as fast?



Yup, but newer drive has improved mechanics and electronics that make them faster than older one. And since newer are generally SATA 3G anyway, they will be faster, but only because of the drive itself, not the interface.

So, a nice SATAII HDD may work better than a SATA HDD, even if running in SATA1 condition because of improvement over the last generation..

Reply to pat
nobly   02-01-2006 at 09:22:17 PM
- 0 +

Quote :

Got IT!

So my two drives in RAID zero don't neccessarily need to be 3G drives, or take advatage of the 3G controller?

A normal SATA drive, and sata controller would perform just as fast?



Yup, but newer drive has improved mechanics and electronics that make them faster than older one. And since newer are generally SATA 3G anyway, they will be faster, but only because of the drive itself, not the interface.

So, a nice SATAII HDD may work better than a SATA HDD, even if running in SATA1 condition because of improvement over the last generation..
What Pat said. :)

Reply to nobly
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