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Will dropping to SATA2 exacerbate or hide random read performance differences between SSDs?

Chicken76

Senior member
Jun 10, 2013
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Let's consider two different SATA3 SSDs and put them in SATA2 ports. Will the delta in random read showed by benchmarks increase, decrease or stay the same?
 

Valantar

Golden Member
Aug 26, 2014
1,792
508
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I would think they would stay the same or decrease ever so slightly (I've read somewhere that SATA 3 had some minor improvements relevant to this beyond just increasing bandwidth).

If you want me to, I could post some benchmarks of my Samsung 840 Pro (256GB) and 850 Evo (500GB) that I run off SATA 2 ports in my Core2Quad rig. The 850 is pretty much chock full, though, and the 840 is only slightly better off. I keep too many games installed waiting for benchmarks after I get a new CPU :p
 
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