Specifications:
4GB, PC3-10600, DDR3-1333, 1333Mhz, 8.5GB/s Bandwidth, CAS 9-9-9-24, 5ns Cycle Time, ECC, Dual Rank, RoHS Certified, 256x72, 1.5V, 240pin DIMMs. Contains one (1) 4GB DRAM memory module and is specifically designed and SPD configured for the "Westmere" Mac Pro Model (4th Generation).
This Mac Pro DIMM include the Apple Specified Thermal EPROM Sensor that is compatible with the latest Apple Firmware.
This is a sale item. No additional promotions or discounts apply.
The following installation video covers the Mac Pro DDR3-1333.
Apple's user manual can provide you more details about 2010 Mac Pro Model 5,1. Click here for Apple's installation guide (PDF.)