AD390A aka AH240A
1.42Ghz 12MB Dual Core CPU 9120N Montvale for HP Integrity rx2660
2 Core 4 Thread.
Note if upgrading from 90X0 cpu (Madison chip) you will need to do a firmware upgrade to 4.32a before installing new CPU
We can provide this as an ISO file or provide a download link once the product is purchased.