OK I have a pair of Patriot PC4000 dual channel 1GB x 2 In CPU-Z It shows that one stick is 200Mhz 2.5-3-3-7 as set in bios and the other is 250 Mhz at 3-4-4-8. Have run memtest,all checks out.RMAed ram new ram is the same?Shouldnt they be exactly the same?