16GB (4x4GB) PC10600 DDR3 ECC FB-DIMM RAM for Mac Pro $98 + $8 s&h
Trans Intl. offers this 16GB PC10600 DDR3-1333 ECC FB-DIMM 240-Pin Dual Channel Laptop Memory Kit, with four 4GB ECC FB-DIMMs, for $98 plus $8 for shipping. That’s the lowest total price we could find for a RAM kit with these specifications by $37. This RAM is compatible with all 8-Core Mac Pro desktop models.