Apple Mac Pro 3,1 8-Core 2.8GHz, 16GB RAM, 1TB HD, Mavericks 10.9

The units are upgraded with matching sets of Hynix, Micron, or Samsung brand memory, the same memory manufacturers Apple uses in their factory for the Mac Pros. The units come with a fresh install of Mavericks 10.9 operating system. Upon request, Snow Leopard 10.6.8, Lion 10.7, Mountain Lion 10.8, or Yosemite 10.10 can be installed instead. ------------------------------ Recently, iPowerResale has been listing on our product pages offering lower prices. We have received complaints of discrepancy as they ship with lower specifications and quality. If you would like to purchase the listed configuration direct from iBuildMacs, please find us under the 'used' or refurb' section, or visit our site. Thank you.