Today I received my new Western Digital Thunderbolt Duo (4TB), unpacked it, connected it and ran a few initial tests. In RAID 0 configuration, I have less than 100MB/s Write speeds with the Aja Kona System Test. The Blackmagic Disk Tests gets pretty much the same, slow results. From all I have read, it should be closer to 200MB/s. I have tried recreating the RAID, switching the ports. No change. Any ideas as to what the reason could be? What I could've misconfigured?