I have a small media server running on TrueNAS Scale with an Intel Core i7-3770 using 3 4TB Ironwolf drives in RAIDZ1.  The CPU can't handle transcoding 4K movies on the fly for watching on a Roku, so I was trying to get the iGPU working with no luck.  I broke down and got my hands on an ARC A380 because it's supposed to be a transcoding beast, but it still doesn't seem to be working.  Any help would be greatly appreciated.