CrystalDiskMark is a small HDD benchmark utility for your hard drive that enables you to rapidly measure sequential and random read/write speeds.
Single Drive AHCI Performance:
Two Drive RAID 0 Performance:
Benchmark Results: With Crystal Mark v2.2 was run with a file size of 100MB and we saw a healthy increase going from a system with just a single drive to one with RAID 0. The Kingston SSDNow V Series 40GB Boot Drives in RAID 0 were nearly reaching 275MB/s read and 88MB/s write!