2.53GHz 256Kb L2 cache 533 FSB SL7ND Intel celeron D325 1199-2.6GHz 512Kb L2 cache 800 FSB SL6WH Intel Pentium 4 HT 1999-2.66GHz 512Kb L2 cache 533 FSB SL6PE Intel Pentium 4 1999-3GHz 1M L2 cache 800 FSB SL7MP Intel Pentium 4 HT 4999-3GHz 512Kb L2 cache 800 FSB SL6WK Intel Pentium 4 HT 4999-