48.0GB OWC Memory Upgrade Kit 3 x 16.0GB PC3-8500 DDR3 ECC 1066MHz 240 Pin SDRAM (OWC85MP3S9M048K)
Size: 48GB (16GB x 3)
240-pin SDRAM DIMM
2048M x 72, Dual Rank ECC Memory Module
Data Rate = 1066MHz
Module Bandwidth 8.5GB/s
Apple Specified Thermal Sensor*
Free Installation Videos & Manuals
Warranty Safe Upgrade.
OWC Memory for Mac Pro Quad Xeon fully meets Apple's specifications with special attention to proper thermal specifications.
IMPORTANT OWC NOTE:
OWC p/n OWC1333D3MPE8GB (8GB modules) and OWC1333D3MPE16G (16GB modules) require that all installed modules be of the same p/n OWC 8GB and/or 16GB modules. Other existing Apple or 3rd party 1GB, 2GB and 4GB modules are not supported for use with these kits and need to be removed when these modules are added.
To utilize over 32GB of memory in your Mac Pro using 10.6.x or greater, you must boot into 64 bit mode. In 32 bit mode, all installed memory will show in system profiler but only up to 32GB will be actively used by the computer.
Memory Install Video
Other DetailsMac Pro 8-Core (Mid 2010) (July, 2010) Model ID: MacPro5,1 \\ 2.4GHz
Mac Pro (Mid 2010 Quad-Core) (July, 2010) Model ID: MacPro5,1 \\ 2.8GHz, 3.2GHz, 3.33GHz
Mac Pro (Early 2009 8-Core) (March, 2009) Model ID: MacPro4,1 \\ 2.26GHz, 2.66GHz, 2.93GHz
Mac Pro (Early 2009 Quad-Core) (March, 2009) Model ID: MacPro4,1 \\ 2.66GHz, 2.93GHz, 3.33GHz
Xserve 8-Core (Early 2009) (April, 2009) Model ID: Xserve3,1 \\ 2.26GHz, 2.66GHz, 2.93GHz
Xserve Quad-Core (Early 2009) (April, 2009) Model ID: Xserve3,1 \\ 2.26GHz
PC Desktops Compatible with Intel / AMD Process based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.
PC Servers Compatible with Intel / AMD Process based servers capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.