KIT OF 2 FANS SUPERMICRO CSE 815 FAN-0086L4 NIDEC ULTRAFLO 12V 40MM 4-PIN FOR 2ND CPU UPGRADE. Often if you have a CSE 815 with 1 CPU only, It's very likely that there are 2 fans missing that ventilates the 2nd CPU, these 2 fans are required if you plan to upgrade the server to 2 CPU system.
