Raid 5 HDtune performance

[grandpatzer]

I recently built a 5 harddrive HW RAID 5 with the Lian li EX-50b esata enclosure based on JMicron939 HW controller.

The harddrives are: 2x 2tb Samsung 204UI, 2x 2tb Samsung 203WI, 1x 2tb WD WD20EARS

Are these good Read and Write performances: Write performance:

Read performance: