@adamepc what type of problem or issue are you having? please provide more details so we can better assist you.
@adamepc El Capitan no longer has RAID support within disk utility, you would need to use a 3rd party RAID tool for 2x RAID units as one.
@EdBakerGuitar @DaveChap if you own one or some of our products and are getting poor performance, please provide us more details
@EdBakerGuitar @DaveChap G-Dock ev is rated up to 250MB/s w/ev drives, you can achieve a bit higher speeds using the SSD ev drive