HD Tach 3.0.4 - 8MB Tests - READ Burst Speed: (Mb/s) Points Ranking Western Digital RE4 1TB WD1003FBYX HDD 209.9 Western Digital RE4 1TB WD1003FBYX HDD (RAID 0) 1210.4 Western Digital RE4 1TB WD1003FBYX HDD (RAID 1) 1332.2 Western Digital 1TB WD1001FALS HDD 214.7 Western Digital 1TB WD1001FALS HDD (RAID 0) 277.8 Western Digital 1TB WD1001FALS HDD (RAID 1) 188.8 OCZ Vertex 2 128GB SSD 266.6 Plextor PX-128M1S SSD 143.4 Seagate 3TB Barracuda XT HDD 366.4 Seagate 2TB Barracuda XT HDD 336.4 Seagate 750GB Momentus XT SSHD 405.1 Seagate 500GB Momentus XT SSHD 231.7 Average Read: (MB/s) Points Ranking Western Digital RE4 1TB WD1003FBYX HDD 115.2 Western Digital RE4 1TB WD1003FBYX HDD (RAID 0) 276.9 Western Digital RE4 1TB WD1003FBYX HDD (RAID 1) 113 Western Digital 1TB WD1001FALS HDD 90.5 Western Digital 1TB WD1001FALS HDD (RAID 0) 150.8 Western Digital 1TB WD1001FALS HDD (RAID 1) 90.7 OCZ Vertex 2 128GB SSD 243.7 Plextor PX-128M1S SSD 103.4 Seagate 3TB Barracuda XT HDD 137.3 Seagate 2TB Barracuda XT HDD 115.5 Seagate 750GB Momentus XT SSHD 95.9 Seagate 500GB Momentus XT SSHD 89.4 Random Access Time: (ms) Points Ranking Western Digital RE4 1TB WD1003FBYX HDD 11.8 Western Digital RE4 1TB WD1003FBYX HDD (RAID 0) 12 Western Digital RE4 1TB WD1003FBYX HDD (RAID 1) 12.2 Western Digital 1TB WD1001FALS HDD 12.1 Western Digital 1TB WD1001FALS HDD (RAID 0) 12 Western Digital 1TB WD1001FALS HDD (RAID 1) 10.1 OCZ Vertex 2 128GB SSD 0.1 Plextor PX-128M1S SSD 0.3 Seagate 3TB Barracuda XT HDD 16.7 Seagate 2TB Barracuda XT HDD 17 Seagate 750GB Momentus XT SSHD 0.4 Seagate 500GB Momentus XT SSHD 17

HDTach measures how fast the system can transfer information from the hard disk to RAM. Thanks to the 64MB of onboard cache, the 1TB Western Digital RE4 hard drive achieves a burst speed of 209 MB/s. Average read is measured at 115MB/s.

Last but not least, the large file test... (for fun)