16GB (2GBx8) DDR2 667MHz ECC FB-DIMMs for 2006 Mac Pro Models 1.1 and 2.1

Specifications: Matched set of 2GB PC2-5300, DDR2-667, 667Mhz, Dual Rank, Latency 5-5-5, ECC, Fully-Buffered, 256x72, 1.8V, 240pin FB-DIMMs. Contains eight (8) 2GB matched FB-DIMM memory modules that are specifically designed and SPD configured for the Mac Pro Model 1st Generation. These modules are compatible with the latest Apple Firmware. Watch our installation video: orclick here for Apple's installation guide (PDF.)