Apple Computer, Xserve 'Quad Core' 2.26 , 8-core/Quad-Core 2.26 or 2.66 or 2.93GHz, Apple Order Number, MA449LL/A , BTO/CTO, Model Number, A1279, Model Year, Early 2009, Part Name, Memory Riser Card PCI-E 16x, Manufacture Part Number, N/A, Compatible Apple Order Number, MB449LL/A, Compatible Model Number, A1279, EMC Number, N/A, EEE Code, N/A, Compatible Apple Computer Family, Xserve (Early 2009)
Order you product here: 922-8949 Memory Riser Card PCI-E 16x A1279 MA449LL/A , BTO/CTO Early 2009, 922-8949
source http://info.applepartsellers.com/922-8949-memory-riser-card-pci-e-16x-a1279-ma449ll-a-bto-cto-early-2009