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C400 - the better drive for a OS/Program drive?

post #1 of 8
Thread Starter 
I am considering getting a c400 or vertex 3, 256gb or 240 gb model repsectively. Based on the specs it seems the c400 is the better choice for a os/program drive. The c400 has 50,000/40,000 IOPS while the consumer grade vertex 3 4k writes drops to 20,000. Certainly the sf2000 has blistering seq reads/writes but it seems that the c400 has better real worl performance.

So should i jump on the c400? Or is it like sf1200 vs cc300 in that either choice will be great?
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post #2 of 8
all the reviews I've found said it has 60k IOPS, but does drop after a little bit of time. That number really comes into play when the system is booting up or shutting down, and I wouldn't think your computer woudl be doing that 100% of the time...
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post #3 of 8
Where have you read the Vertex 3 IOPS dropping that low? Every review I've seen still has the Vertex 3 beating the C400 and Intel 510 handily overall.
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post #4 of 8
Thread Starter 
I saw it posted in the anand preview of the nonenterprise version
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post #5 of 8
Quote:
Originally Posted by lsudvm;12851924 
I saw it posted in the anand preview of the nonenterprise version

The Agility 3 will limit IOPs, not the Vertex 3.
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post #6 of 8
Thread Starter 
Here is the quote from Anand:
Quote:
If you pay attention to the table above you’ll notice that there are two specs for 4KB random write IOPS: burst and sustained. The burst value is for around 15 seconds of operation, the sustained is what happens when the firmware initiated performance cap kicks into action. By default the SF-2100/2200 drives have a cap of 20,000 IOPS for 4KB random writes. After a period of about 15 seconds, the max performance on these drives will drop to 20K. The SF-2500/2600 controllers are uncapped, max performance can remain at up to 60K IOPS.

Am i misunderstanding this?
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post #7 of 8
Thread Starter 
So can anyone comment on whether this is true for the vertex 3 or just the agility 3 as duckie says?
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Kneel before Zod
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post #8 of 8
Quote:
Originally Posted by lsudvm;12864364 
So can anyone comment on whether this is true for the vertex 3 or just the agility 3 as duckie says?
The Agility drives are usually exactly the same as the Vertex models except they have firmware restrictions/slight changes so OCZ can sell the the Vertex at a higher price. tongue.gif

The Vertex 2 and Agility 2 both use the same controller but the firmware on the Agility 2 was limited to 10,000 IOPS while the Vertex 2 could do 50,000 IOPS. It's quite likely that OCZ has struck a similar deal with Sandforce for the Vertex 3.
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