64GB (8GBx8) DDR2 800MHz ECC FB-DIMMS for 2008 Mac Pro Model 3.1

64GB (8GBx8) DDR2 800MHz ECC Fully-Buffered DIMMS (FB-DIMMs) for the 2008 Mac Pro Memory Model 3,1. Contains eight (8) 8GB FB-DIMMs that are specifically designed and SPD configured for the Mac Pro 2nd Generation Model. These FB-DIMMS are compatible with the latest Apple Firmware. Specifications: Total Capacity: 64GB (8GBx8) Data Rate: 800MHz Bus Speed: PC2-6400 Form Factor: DDR2 ECC FB-DIMM No. of Pins: 240, 256Mx32 Dual Rank Voltage: 1.8V CAS Latency: 5-5-5 Bandwidth: 6.4GB/s Features: True DDR2 Major Thermal Tested ROHS Certified, Compliant with JEDEC specifications Watch our installation video: or click here for Apple's installation guide (PDF.)