RB4011 series - amazingly powerful routers with ten Gigabit ports, SFP+ 10Gbps interface and IPsec hardware acceleration. The RB4011 uses a quad core Cortex A15 CPU, same as in our carrier grade RB1100AHx4 unit. The unit is equipped with 1GB of RAM, can provide PoE output on port #10 and comes with a compact and professional looking solid metal enclosure in matte black. RB4011iGS+5HacQ2HnD-IN (WiFi model) is dual band, four chain unit with a supported data rate of up to 1733 Mbps in 5GHz. For legacy devices, the unit also has a dual chain 2GHz wireless card installed in miniPCI-e slot. Note: The RB4011 does not support Passive DAC modules, 1GB copper SFP modules and SFP GPON modules. US Version