Figure 48. Dual-rotor fan module upgrade kit
1  Four single-fan dual-rotor modules
2  Two dual-fan dual-rotor modules
Follow the instructions in “Install the dual-rotor fan module upgrade kit” on page 178 to install the option kit.
Processor and memory expansion tray kit
See this section to identify parts that are enclosed in the processor and memory expansion tray kit.
Figure 49. Processor and memory expansion tray
Table 23.  Processor and memory expansion tray
1  Processor and memory expansion tray
144 ThinkSystem SR860 V2Setup Guide