Specification:SKUSRX345-SYS-JB-2ACFlash8 GBPortsMini PIM (WAN) slots: 4,Console (RJ-45 miniUSB): 1USB 3.0 ports (type A): 1Form Factor1 UPower ConsumptionMaximum current consumption: 1.496 A / 6A @ -48 VDC12Dimentions(WxHxD) 17.36 x 1.72 x 14.57 in.(44.09 x 4.36 x 37.01 cm) /17.36 x 1.72 x 18.7 in. (44.09x 4.36 x 47.5 cm)8More InformationTotal 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) /11.02lb (5 kg)12Average heat dissipation: 420 BTU/h