4GB OWC Memory Module is designed for for Mac Pro 'Nehalem' & 'Westmere' models and fully meet/exceed Apple's Mac Pro Quad & 8-Core Xeon model memory specifications. Its utilization of qualified Apple Mac Pro Heat-Spreaders and the best memory components ensure maximum performance and trouble-free operation. New, Lifetime Advance Replacement Limited Warranty.
- 512M x 72, Dual Rank ECC Memory Module - Data Rate = 1333MHz - Module Bandwidth 8.5GB/s
- Voltage 1.5V
- Apple Specified Thermal Sensor
- RoHS Certified