4GB PC2-5300, DDR2-667, 667Mhz, Dual Rank, Latency 5-5-5, ECC, Fully-Buffered, 128x72, 1.8V, 240pin FB-DIMM. Contains a single 4GB matched FB-DIMM memory module that is specifically designed and SPD configured for the Mac Pro.
This memory module is compatible with the latest Apple Firmware.
Watch our installation video:
orclick here for Apple's installation guide (PDF.)
