SiSoft Sandra 2012 - HDD Read and Write tests	Source: Sandra

Sandra is designed to test the theoretical power of a complete system as well as the individual components. The results are also purely theoretical and may not represent real world performance. Higher points are better.

SiSoft Sandra 2012 - Hard Drive Read Tests Read Drive Index: Points Ranking Western Digital RE4 1TB WD1003FBYX HDD 109.14 Western Digital 1TB WD1001FALS HDD 80.13 SanDisk Etreme 240GB SSD 538.33 OCZ Vertex 3 240GB SSD 534.34 OCZ Vertex 2 128GB SSD 253.65 Plextor PX-128M1S SSD 87.5 Seagate 3TB Barracuda XT HDD 127.86 Seagate 2TB Barracuda XT HDD 110.85 Seagate 750GB Momentus XT SSHD 91.39 Seagate 500GB Momentus XT SSHD 84.53 Read Random Access Time: (ms) Points Ranking Western Digital RE4 1TB WD1003FBYX HDD 9.2 Western Digital 1TB WD1001FALS HDD 4 SanDisk Etreme 240GB SSD 0.13 OCZ Vertex 3 240GB SSD 0.3 OCZ Vertex 2 128GB SSD 0.55 Plextor PX-128M1S SSD 0.55 Seagate 3TB Barracuda XT HDD 17.23 Seagate 2TB Barracuda XT HDD 17.8 Seagate 750GB Momentus XT SSHD 15 Seagate 500GB Momentus XT SSHD 17.78

When it comes to read performance the SanDisk Extreme 240GB SSD bests the OCZ Vertex 3 with a fantastic score of 538.33MB/s! Read Random Access Time is 0.13ms, much faster than any conventional hard drive can attain.