SRX340-SYS-JB is an SRX340 Services Gateway that includes hardware (16GE, 4x MPIM slots, 4G RAM, 8G Flash, power supply, cable, and RMK) and Junos Software Base (Firewall, NAT, IPSec, Routing, MPLS, and Switching). SRX340 Services Gateway chassis is a rigid sheet metal structure that houses all of the other services gateway components. The chassis measures 1.72 in. (4.36 cm) high, 17.36 in. (44.09 cm) wide, and 14.57 in. (37.01 cm) deep (from the front to the rear of the chassis). The chassis installs in standard 800–mm (or larger) enclosed cabinets, 19 in. equipment racks, or telecommunications open-frame racks.