root> show chassis hardware 
Hardware inventory:
Item                      Version      Part number   Serial number   Description
Chassis                                              LX0212521645    EX4550-32F
Routing Engine 0 REV 12   750-045402   LX0212521645  EX4550-32F
FPC 0                     REV 12       750-045402    LX0212521645    EX4550-32F
    CPU                                BUILTIN       BUILTIN         FPC CPU
    PIC 0                              BUILTIN       BUILTIN         32x 1G/10G SFP/SFP+
    Xcvr 2                REV 01       740-021308    YAGS6822        SFP+-10G-SR
Power Supply 0            REV 03       740-044332    1GA12400310     JPSU-650W-AC-AFI
Fan Tray