Incredible performance The RB4011 series offers highly efficient routers with ten gigabit ports, a 10 Gbps SFP+ interface and IPsec hardware acceleration. New technology The RB4011 router uses a quad-core Cortex A15 processor, the same as in the RB1100AHx4 model, has 1 GB of RAM and a PoE output on port #10. The device comes with a compact, solid metal casing in matte black.