Just starting out and need opinions. My cameras will all be dahua and will start out one by one beginning with the 5231. May add a 4k in future so need nvr to suit. Local ebay supplier has "over stock" of the no logo 4208 4k non poe version A$169. I will pair to a dahua poe switch. I've also seen the nvr5208-4ks2 which is newer version. Any benefit of the newer model?? Should I just go to Andy?