630-9560 820-2189-A 922-8954 Early 2009 Xserve A1279 - Power Distribution Board NB-2395W Apple part number: 922-8954, 630-9560 820-2189-A, Compatible models: A1279-Early 2009-MB449LL/A, 8Core, A1279-Early 2009-CTO,, Compatible Mac info. : One 2.26GHz Quad-Core Intel Xeon Xserve , Two 2.26GHz - 2.66GHz - 2.93GHz Quad-Core Intel Xeon Xserve, 922-8954 Early 2009 Xserve A1279 - Power Distribution Board Apple part number: 922-8954, 630-9560 820-2189-A