The K means it has an unlocked clock multiplier. W/o that all OC'ing has to be done via the base clock alone, for minimal gain. (and not always possible, depending on the board's BIOS)
The K means it has an unlocked clock multiplier. W/o that all OC'ing has to be done via the base clock alone, for minimal gain. (and not always possible, depending on the board's BIOS)