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OCZ Shows off RevoDrive X2 PCI-Express SSD

btarunr

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#1
At the ongoing Intel Developer Forum event, OCZ Technology showed off its upcoming RevoDrive X2 PCI-Express SSD. For those unfamiliar with RevoDrive, it is a PCI-Express addon card that holds a couple of SandForce-drive SSDs in an internal (abstract to OS) RAID 0. The SATA bandwidth bottleneck is eliminated, as the drive connects to the system bus over PCI-Express x4. The RevoDrive X2, uses no less than four SandForce-driven SSDs in an internal RAID. The drive connects to the system over PCI-E x4, and is bootable. According to OCZ's internal testing, the drive offers read speeds of up to 740 MB/s, writes of up to 730 MB/s, and 4K random write performance of up to 120,000 IOPS. An IOMeter session running on the demo rig measured 107,124 IOPS live.

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#2
1st post!

sweet!

...but i doubt this is actually faster than 4 single sf-ssds on a proper raid controller.
 
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#3
120k IOPS !! I love SSD for that. Can't wait when this stuff becomes more affordable.
 
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#4
a nice 120gb or 160gb drive lie nice shouldn't be too expensive
 
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#6
The current 120gb Revodrive is about 350$, while 2x vertex 2 60gb is about 280-300$
So 4 x 40gb vertex 2 525$, I'm guessing a 160gb should be under 600$
 
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#9
I don't think you can do trim with raid at all. Controller doesn't pass on the command. Afaik anyway.
 
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#10
Only intel SSDs have RAID TRIM support, but Sandforce drives need TRIM less than indilinx SSDs
 

Kitkat

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#11
a nice 120gb or 160gb drive lie nice shouldn't be too expensive
have u been to newegg lately? lol revos are afordable for what they do AMAZINGLY so.

What about trim support? The 1st gen drive didn't had it:(
The trim doesn't matter with this drive that's everyone's con... doesn't matter cause the drive blows everything else away. Im sure a new con will take its place once it receives trim (and it will) and then another and another. The card is a 7.9 in Se7en out of the box
 
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#12
and burst rates are incredibly high
 
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#14
Only intel SSDs have RAID TRIM support, but Sandforce drives need TRIM less than indilinx SSDs
AFAIK TRIM only works on Intel controllers when the drive is not a member of a RAID group
I.e. if you put it in a RAID 0, 1 or 5 group it will not pass TRIM

Or was this addressed with a more recent driver update?
 
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#15
I may be mistaken, but I thought it was in RAID 0 too
 

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#16
I want to see someone install an OS or SC2 on one of these to see how quick it takes it to install.
 
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#17
2 x the controllers but only 50% more bandwidth? That doesn't seem right.

I was hoping the new version with 4 controllers would be 1GB/s+

Or are they being conservative for a change? Seems unlikely.

We should be seeing SATA SSDs with SATA 6GB/s interfaces with 500MB/sec+ speeds before year end, so RAIDing some of those would seem preferable at this point if raw speed is the need.

Or have they finally put the connector for the daughterboard on retail samples and you add a daughterboard to enable 1GB/s to 1.4GB/sec and anothre 50 to 100% capacity? That would be a sweet upgrade path if well priced.
 
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#18
These are basically Vertex 2's in RAID 0

4x 275MB/s x 70% efficiency in RAID = 770MB/s