# Error-Correcting Code Memory Error-Correcting Code (ECC) memory detects and corrects certain memory errors. The two Mac Pro package panels specify 16 GB of 1866 MHz DDR3 ECC memory, consistent with workstation-class reliability goals. ## Source [[Scanned_20260730-1230#PDF Page 29|Scanned_20260730-1230, PDF page 29]] Packaging records the original configuration, not the installed memory at the end of the machines' lives.