4GB (1GBx4) DDR2 667MHz ECC FB-DIMMs for 2006 Mac Pro Models 1.1 and 2.1

Specifications:

Matched quad of 1GB PC2-5300, DDR2-667, 667Mhz, Dual Rank, Latency 5-5-5, ECC, Fully-Buffered, 128x72, 1.8V, 240pin FB-DIMMs.

Contains four (4) 1GB 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.)