Sadly, ....like me you have a board that has the Marvell 88SE9128 controller chip .... as far as SataIII 6Gb/s .... turned out to be the industry joke!
every board manufacturer got bit! ... your Intel sataII connectors will actually outperform
You also had good advise in don't run to many benchmarks .... one of the better ones for SSD is ATTO, ....designed and built for SSD
your SSD is rated at about 500MB/s and the Intel ports, being SATAII have a theoretical limit of about ........500Mb/s.......you may not get to the top figure ,....but you will get closer then using Marvell ports.
Recommendations:
Put your optical (DVD) on the Marvel port in IDE
Put the SSD in to Intels ICH10(R) port and hopefully you loaded OS under ACHI (I"m assuming here) so put it under ACHI for best performance
As far as damage to SSDs unless full speed is achieved, .... never heard of it before .... was he a salesmen for motherboards
Interestingly I am waiting for the new X79 motherboards and LGA2011 CPU myself .... but you will have to by both as 1155 as far as I know will be left behind with the Z68 and lower boards
The only way you can get full performance on your present setup is adding a quaility PCI-E raid card,.... they can be as expensive as the motherboard and then some depending on your tastes.
I use Highpoint RocketRaid 640 PCI-E card ....... Bootable, 4 ports, (Ultimate performance) ....1 or 2 drives connected as this card carries 2 Raid/controllers chips ......JBOD, raid 0, 1, 5, 10, 50, ..... I know someone with 2 of your drives (in raid 0) on one of these cards for 960Mb/s average on a X58 board .... way cool!
Aussie Allan