Official description (source):
Banana PI BPI-R2 is a highly integrated multimedia network router; it can be used for high wireless performance, home entertainment, home automation and so on.
BPI-R2 integrates a quad-core ARM Cortex-A7 MP core operating up to 1.3GHz. The router also includes a variety of peripherals, including HDMI TX, MIPI DSI, PCIe2.0, USB2.0 OTG, USB3.0 Port, SATA port?5x Gbps Port Gigabit Ethernet port, 802.11a/b/g/n wifi & BT4.1 onboard, and it also supports 802.11ac/n WLAN connection thru mini PCI-e port
BPI-R2 can run with Android5.1 smoothly, it also can run OpenWRT, Debian, Ubuntu linux, Raspbian and other OS. The size of Banana PI BPI-R2 is the same as BPI-R1, and it can easily run games as it supports 1080P high definition video output. The GPIO header is also compatible with Raspberry Pi 3.