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Vertex 2 Speeds low

post #1 of 7
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In AHCI mode....
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post #2 of 7
Thread Starter 
After i posted i found my answer three post down.


USED ATTO benchmark instead. Speeds 250+
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post #3 of 7
The best thing to do to help recover speed is to log off at night leaving the pc running.Also a secure erase is a must before re installing windows or you will suffer significant performance loss.
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post #4 of 7
Also, after your OS install, dont start running benchmark programs. Theres posts about that in these forums, directing to OCZ forums about it. Its all over there forums too. Basically, if you want to run a benchmark, you do a basic OS install, install the latest Intel chipset drivers(if Intel board), run the bench mark, ATTO, and then secure erase and start over. Writing alot back to back puts Sandforce controllers into "protection mode" to keep themselves from being killed by a ton of large writes back to back like that.(Mostly for uncompressable data, such as done by benchmark programs.)

Ski
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post #5 of 7
Quote:
Originally Posted by Rebelord View Post
Also, after your OS install, dont start running benchmark programs. Theres posts about that in these forums, directing to OCZ forums about it. Its all over there forums too. Basically, if you want to run a benchmark, you do a basic OS install, install the latest Intel chipset drivers(if Intel board), run the bench mark, ATTO, and then secure erase and start over. Writing alot back to back puts Sandforce controllers into "protection mode" to keep themselves from being killed by a ton of large writes back to back like that.(Mostly for uncompressable data, such as done by benchmark programs.)

Ski
Hm. I hate to threadjack but I don't want to create another vertex 2 thread lol.

My benchmarks look worse than the one in the OP. It has been about a week since I ran a benchmark on it. I just ran crystaldiskmark again and it's about the same, slightly better reads 4kqd32 improved but all the write speeds are in the 40's.

I did run atto which was mostly around 250's but still CDM is insanely low. Here are the benchmarks. The CDM with higher reads was after about a week without any benchmarks.


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post #6 of 7
Sandforce controllers work well only with uncompressed data. The reason why Sandforce achieves those high speeds is that it compresses the data. Data that is already compressed, they perform poorly.
 
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post #7 of 7
Quote:
Originally Posted by Clairvoyant129 View Post
Sandforce controllers work well only with uncompressed data. The reason why Sandforce achieves those high speeds is that it compresses the data. Data that is already compressed, they perform poorly.
Yes, but my benchmarks are bad even for a vertex 2.
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