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I had an OCZ Vertex 256 GB drive installed in my PC at work, and the motherboard has SATA III ports.

How do I check the drive is connected to a SATA III port and not a SATA II port without opening the case? (AS SSD benchmarks gives me around 250 MB/s sequential read speed when it should be around 500 with this drive)

Here's what HW INFO gives me:

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axk
  • 1,141

3 Answers3

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You can grab a free app called HD Tune that tells you on it's info tab what Standard it's using. Ironically I think you just made me realize why mines not as fast as I thought it should be ^__^

Codezilla
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wow! both of your hard disks are running on SATA3 speed (6 gb/s) that means your mobo driver and ports works fine on sata III speed. in HWiNFO in both pages you can see your hard disks running on sata III speed. Use HD Tune to exact measure your speed but remember to always upgrade your motherboard BIOS and ssd firmware. you can find your ssd firmware from below link:

OCZ Support

Kaveh
  • 759
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click the following icon under Drives, and you will see the hardisk speed and mobo speed : (1) OCZ-VERTEX4 ----- 6GB/s @ 3GB/s ...meaning speed downgraded to 3GB/s due to mobo limitation (2) WDxxxx ------ 3GB/s @ 3GB/s ...meaning speed fully maximised

Alan Soo
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