New SSD not transferring beyond 130mbps

chuckles84

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Jan 17, 2011
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I recently purchased a new Samsung EVO 860 500gb SSD to increase system performance. I was previously using two SATA II SSD drives that have failed.

When I do a speed test for read/write with CrystalDiskMark I am only achieving read speeds of 130 and write speeds of 125.

I know my system is aged but it does state that it's SATA III compatible according to the GigaByte specs page.
MOBO: https://www.gigabyte.com/Motherboard/GA-X58A-UD3R-rev-20#ov
CPU: Intel i-7 950
RAM: 12gb DDR3 at 2158MHz

Any ideas why its so slow? I checked the CMOS and it is showing as the master drive for the port. I do have other drives connected and was thinking maybe by disconnecting those it may help? Wanted to check community prior to taking those steps.

Thanks for any help provided.
 
Solution
Download Samsung magician older version 4.9.5 >> https://tweakers.net/downloads/37341/samsung-magician-497.html (not the newer one) it will tell you whether your SSD is running at it's best performance especially whether AHCI mode is activated , and Sata interface speed.
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you can also use the latest Samsung magician

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