Lenovo Microprocessor 2 expansion board for x3500 M4 (M/T: 7383) 

Physical FRU on this item is PN: 00AL017

* Substitute FRU's which are of the same part are (00W2047 / 00Y8288 / 00Y8251)

Condition: Brand New (Part of a 2nd Processor upgrade kit)

Warranty: 90 x days, RTB

Thanks for looking