Dedicated Servers now ATLEAST 200% Faster
Here are some benchmarks to show the differences between SATA3 hard drives and solid state hard drives for dedicated server applications.
The first benchmark is for web server performance the second benchmark is for database performance.
SATA3 Web Server Performance:

Source: Storage Review
SSD Web Server Performance:

Source: Storage Review
Summary: SSD Performance: From 1600 I/O to 4700 I/O
SATA3 Performance: From 60 I/O to 170 I/O
This benchmark is for database performance.
SATA3 Database Performance:

Source: Storage Review
Summary: SSD Performance: From 1350 I/O to 3350 I/O
SATA3 Performance: From 60 I/O to 170 I/O



