8GB OWC DDR3 1333MHz ECC Memory Module for Mac Pro 8-core and Quad-core Xeon
8GB DDR3 1333MHz memory module designed specifically for the Mac Pro 8-core and Quad-core Xeon systems. With ECC Error Correction and Apple Specified Thermal Sensor. 240 pins, timings of 9-9-9-24 (CL9) at 1.5V.