All the RAM sticks of speeds higher than 1333Mhz will downgrade to stock 1333Mhz, so make sure you get nothing higher than 1600Mhz or else it'd be waste of money.
i have the i5 2500 and i have the h61m usb3 b3 motherboard also i have an 880w psu also i have a paliet gtx 560 and i need ram the 2x4gb model pro series
All the RAM sticks of speeds higher than 1333Mhz will downgrade to stock 1333Mhz, so make sure you get nothing higher than 1600Mhz or else it'd be waste of money.