661-4996 - Apple - Backplane Board for Mac Pro 661-4996 - Apple - Backplane Board for Mac Pro $474.78
661-5706 - Apple - Backplane Board with Bluetooth Card for Mac Pro Mid 2010 661-5706 - Apple - Backplane Board with Bluetooth Card for Mac Pro Mid 2010 $426.31
661-5094 - Apple - Interconnect Backplane Board for Xserve 661-5094 - Apple - Interconnect Backplane Board for Xserve $884.37
661-4998 - Apple - Dual Processor System Board (Motherboard) for Mac Pro 661-4998 - Apple - Dual Processor System Board (Motherboard) for Mac Pro $606.42
661-5708 - Apple - Dual Processor Board without CPU for Mac Pro 661-5708 - Apple - Dual Processor Board without CPU for Mac Pro $910.20 $771.36
661-5707 - Apple - Single Processor Board without CPU for Mac Pro 661-5707 - Apple - Single Processor Board without CPU for Mac Pro $790.69 $670.08