11x 4GB Crucial CT51272BA1067 PC2-8500U 1066MHz DDR3 Memory RAM 44GB Total

11x 4GB Matched DIMMS Crucial P/N: CT51272BA1067 PC2-8500 (DDR3-1066) Crucial 44GB (4GBx11) DDR2 1066MHz (PC2-8500) CL7 Unbuffered UDIMM Desktop Memory Taken from a Mac Pro 4,1

eBay