Crucial M4 512GB in my HP EliteBook 8760w: ----------------------------------------------------------------------- CrystalDiskMark 3.0.1 x64 © 2007-2010 hiyohiyo Crystal Dew World : Crystal Dew World ----------------------------------------------------------------------- * MB/s = 1,000,000 byte/s [sATA/300 = 300,000,000 byte/s] Sequential Read : 496.328 MB/s Sequential Write : 216.603 MB/s Random Read 512KB : 420.827 MB/s Random Write 512KB : 252.774 MB/s Random Read 4KB (QD=1) : 20.041 MB/s [ 4892.8 IOPS] Random Write 4KB (QD=1) : 62.026 MB/s [ 15143.0 IOPS] Random Read 4KB (QD=32) : 199.576 MB/s [ 48724.6 IOPS] Random Write 4KB (QD=32) : 223.034 MB/s [ 54451.6 IOPS] Test : 1000 MB [C: 47.6% (219.0/460.5 GB)] (x5) Date : 2012/12/10 15:25:08