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Did I get a bad SSD?

post #1 of 8
Thread Starter 

those dips are very worrying. Corsair promised 550 MB/s read but i seem to never get those

I do have a RAID 0 array built with one SATA 2 and one SATA 3 HDD with the remaining SATA 3 port for the SSD. is this kinda config a problem?

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post #2 of 8
What controller are you connected to with the ssd? What motherboard? I can't see sig rigs with my phone.
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post #3 of 8
Im not sure I would be overly worried.

Its most likely one a few things.
Your controller peaks at just under 425 meg and cant do sustained io operations at that speed., or the SSDs 550mb rating is using specific kinds of compressed data in an environment that doesnt match real world use.
Im guessing both.

I assume you have RST and the correct SATA drivers installed?
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post #4 of 8
Thread Starter 

i'm using a gigabyte Z68X-UD3P-B3 motherboard with all drives connected to the intel chipset.

i do have the lastest 11.6 (as listed on gigabyte.com) RST. the controller is set to RAID though because i am running a RAID 0 array of HDDs.

 

i didn't know Intel z68 peaks that low. i thought intel controllers are the fastest in this world.

either way i'm not worried about the max speed, i'm worry about those 3 dips to <200 MB/s that makes me thing some NAND is dying

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post #5 of 8
So was the OS you were in installed on that SSD you were testing? Because if that is the case there definitely could have been other tasks and disk access happening that caused those dips. You can try pulling the drive and benching it on another computer.
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post #6 of 8
Dont use a HD benchmark to bench a SSD...from that screenie, things look normal for your drive.

Use AS SSD and/or ATTO
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post #7 of 8
make sure to attach the drive to intel port not marvel

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post #8 of 8
The 550MB/s are a maximum value in the best case scenario with
- ATTO benchmark
- Intel SATA 3 controller and IRST drivers
- AHCI or RAID mode
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