MX10004-3F-BASE - Juniper - JNP10004/MX10004 Base 4-Slot Chassis include 1 Routing Engine 2x Power Supply 2x Fan Tray 2 Fan Tray Controller and 3 Switch Fabric Cards
EX8208-BASE-AC - Juniper Networks - Base EX8208 System 8-Slot Chassis support passive backplane and 1x fan tray 1x Routing Engine support Switch Fabric