[quote user="bigworld"] WHat are people using on Macs to copy files? [/quote] Depends on the situation. Our clients have used Hedge, Silverstack, Rsync, Finder, etc. A quick test... Nexis 4 x E2 in high-perf mode to internal SSD of a Z8, I am getting ~400 MB/s. In the past, I have achieved 500-700+ MB/s.