4GB DDR2 800Mhz FB-DIMMs, PC2-6400, 5ns Cycle Time, ECC, Fully-Buffered, 256x72, 1.8V, 240pin. Contains a single 4GB FB-DIMM that is specifically designed and SPD configured for the Mac Pro 2nd Generation Model. This module is compatible with the latest Apple Firmware.
Watch our installation video:
or click here for Apple's installation guide (PDF.)
