Part 9016820 is compatible in the following Models:

SGI Indigo

SGI WB-TWO75XZ1A System - Q5J09A

SGI Indy

SGI W24B-1G32 System - Q5J11A
SGI W24C-1G32 System - Q5J12A

SGI Server Processors and Upgrades

SGI W8R-150P-2G96 System - Q5J13A
SGI WZCR-1G32 System - Q5J14A