RB4011iGS+RM RB4011 Series - extremely efficient routers with ten gigabit ports, SFP + 10Gbps interface and IPsec hardware acceleration at an attractive price! RB4011 uses a quad-core Cortex A15 processor, the same as our RB1100AHx4 operator class unit. The device is equipped with 1 GB RAM, can provide PoE output at port 10 and is supplied with a compact and professionally-looking solid metal housing in matte black. RB4011iGS + RM ( Ethernet model) contains two ears that securely attach the device in standard space 1U.