15 post-Smarter memory.

The Mac Pro incorporates a 256-bit-wide, fully buffered memory architecture with Error Correction Code (ECC), which corrects single-bit errors and detects multiple-bit errors automatically. These features are especially important in mission-critical or compute-intensive environments. Apple designed a more stringent thermal specification for the Mac Pro FB-DIMMs, so the internal fans spin at slower speeds and keep the system quiet.