2.4 8Core 2010 Mac Pro 8 Gigs of Ram
Small Tree 2 port Gig E Card, also using internal Gig E port, issues on both sets
R680 Raid card attached to an 8bay Sans Digital box 28TB RAID 5 about 800MB/S up and down with BMD speed test.
Drive is HFS+ Journaled
Mavericks 10.9.2 (not server edition)
Jumbo Frames, Flow Control enabled
Connecting to the Server via “Connect To” and not through the sidebar of Finder.
Works completely fine in Mountain lion getting 113MB/S up and down over AFP.