Mac Memory modules are Fully-Buffered DIMMs, or FB-DIMMs, which are different than the typical memory running in standard PCs. In an FB-DIMM module, the memory controller does not write directly to the memory module, but to a buffer, which then writes to the module. This buffer, the Advanced Memory Buffer (AMB) can also provide built-in error checking and correction.

Built to Corsair's legendary quality and reliability standards, Mac Memory FB-DIMM modules are fully tested to ensure maximum compatibility and performance in Apple Mac Pro products. Adding system memory is one of the most effective ways to improve overall performance and Corsair's Mac Memory offers a full line of choices for upgrading your specific Mac Pro platform. FB-DIMMs require two identical modules to be installed at once for proper operation.