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How can SATA II be used to potential today? Raid

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DainSchneck

Junior Member
I'd like to see the world's answers to this. I've searched for a while on hardware reviews sites like this one, and I'm only finding review of these SATA II drives standing alones - not in any raid. At least not to my satisfaction. I'm not new by anymeans to DIY performance PCs but goodnes...CAN the 3 Gb a sec be reach or what??!!

4 raided together drives maybe?

And why is WD's new 150GB 10,000rpm drive not SATA II? Prolly toying with us all.
 
SATA II doesn't exist

SATA is the interface.
1.5GBs and 3.0GBs are signalling methods/speeds.
NCQ is an optional feature, but it's support is required by 3.0GB/s signalling. (This is where the SATAII confusion comes from)
the rest are optional features.

Also, the bandwidth is dedicated per port (each port can handle 3.0GB/s), but can be shared when using port multipliers which allow multiple drives per port.
 
Originally posted by: DainSchneck
I'd like to see the world's answers to this. I've searched for a while on hardware reviews sites like this one, and I'm only finding review of these SATA II drives standing alones - not in any raid. At least not to my satisfaction. I'm not new by anymeans to DIY performance PCs but goodnes...CAN the 3 Gb a sec be reach or what??!!

4 raided together drives maybe?

And why is WD's new 150GB 10,000rpm drive not SATA II? Prolly toying with us all.
Click to expand...

SATA provides a dedicated channel for each drive (unless, as ribbon13 noted, you are using port splitters, which I don't think any SATA"1" devices even support). SATA150 has plenty of bandwidth for even the fastest drives available today. Most SATA RAID controllers will scale up almost to the limits of whatever the controller is connected to (so ~100-120MBps on PCI, and around 1GBps on PCI-X or PCIe, and maybe even high if directly attached to the NB).
 
The only thing right now that has a chance of using the SATA 3.0GB goodness is Gigabitye's i-RAM drive (version 2 coming out soon).
 
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