OCZ Agility 4 Bad performance

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maxiumpro

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Sep 27, 2013
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10,510
I just bought this SSD, it is connected to a 6 Gb/s Sata port (B75M-D3H Rev: 1.1), i have Windows 8 and the motherboard recommended drivers installed but when a benchmark start running it will not pass of 300Mb/S speed, i have it running on AHCI but none of the things i do will help to increase R and W speed
 
Solution
smorizio
try using hdtune and change the que that your using. a lot of ssd vendor fudge there numbers depending on the que and data size there moving.
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maxiumpro

Honorable
Sep 27, 2013
5
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10,510


I've tried with the latest intel drivers but it gives me the same result (looks like it is connected to a SATAII port).
I'm running ATTO, transfer size .5 to 8192, direct I/O, Overlapped I/O, Queue Depth: 4, Total Length: 256 Mb
 
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maxiumpro

Honorable
Sep 27, 2013
5
0
10,510


Yeah.. maybe is the benchmark, ive been testing it with home applications and worked pretty good, just made a few tweaks in bios like disabling power saving stuff, also disabling indexing and stoping some services, thanks.
 
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Dereck47

Dereck47

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Jan 20, 2011
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It’s possible that you have the drive connected to port SATA2_1 instead of port SATA3_0.

Both SATA ports are on the same SATA connector, so it’s easy to confuse one with the other.

Move your SATA cable to the other SATA port and run another benchmark.

See page 14 of your motherboard manual for the location of the ports.
 
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maxiumpro

Honorable
Sep 27, 2013
5
0
10,510


It is connected into the SATAIII (SATA 0 Port, also Intel RST is confirming that; when i change ports speed go as low as 190 MB/s
 
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maxiumpro

Honorable
Sep 27, 2013
5
0
10,510


Yes, it is about 40MB/s slower (after i changed settings in BIOS it went faster)
 
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