Specification:SKU     SRX340-SYS-JBFlash     8 GBPorts     Mini PIM (WAN) slots: 4,Console (RJ-45 miniUSB): 1USB 3.0 ports (type A): 1Form Factor     1 UPower Consumption     Maximum current consumption: 1.496 ADimentions     WxHxD17.36 x 1.72 x 14.57 in.(44.09 x 4.36 x 37.01 cmMore Information     Total onboard ports: 16x1GbEOnboard RJ-45 ports: 8x1GbEOnboard small form-factor pluggable (SFP) transceiver ports: 8x1GbEOut-of-band (OOB) management ports: 1x1GbESystem memory (RAM): 4 GBWeight (device and PSU): 10.80 lb (4.90 kg)Average heat dissipation: 420 BTU/h