RAID card convert RAID 5 to RAID 10

I have an MP 4,1 2009
OSX 10.11.5

HD Setup:

• 1 X 120gb Intel SSD on PCIE card (named OSX)
  
• Apple RAID card
• 4 X 2TB Western Digital Red drives in RAID 5 (named RED)
• 1 X 4TB WD USB 3 External HD (on USB 3 PCIE) Time Machine

I originally setup my RAID as 5 because I thought I needed that last 1.23 TB.. ('go to 11' if you will) but now I need more speed so I want to swap to RAID 10 (since the RAID 5 writes are so much slower).

I have my user home directories set to...

RAID card convert RAID 5 to RAID 10