hello , i bought SSD A-Data XPG SX-910 256 G today and after installing windows 7 , i notice that copy rate is 120mg/s ~ 280 mg/s never seen it high that is that i have problem ? it should read write for 550 and 530 ! i did connect it to sata 3 on As rock p67 fat , also got 16 giga ram crossair .. is i need software to install SSD or what cus i first time buy it and what are the solution if that wasn't software ?