Sun - 7013526 - Fan Dual Counter Rotating 7013526 - SUN - Sun Oracle Dual Counter Rotating Fan Module $86.51 $73.31
Sun - 704-5042 - Fan Dual Counter Rotating 704-5042 - SUN - Sun Dual Counter Rotating Fan Module $326.29 $276.52
Supermicro - MCP-340-00035-0B - Dummy Fan 40x56mm Counter-Rotating MCP-340-00035-0B - Supermicro - Dummy fan 40x56mm for 40x56 counter-rotating fan (cost-effective) $61.50 $50.00
Sun - 371-1602 - Dual Fan Assembly 371-1602 - SUN - Sun Dual Fan Assembly for Sun Fire X2100 $54.05 $43.94