Banana Pi BPI-M4 use Realtek RTD1395 chp design ,it is a 64-bit quad-core A53 mini single board computer. It features 1 GB/2GB of RAM and 8 GB eMMC. It also has onboard WiFi for b/g/n/ac and BT 4.2. On the ports side, the BPI-M4 has 4 USB 2.0 ports, 1 USB TYPE C port, 1 HDMI port, 1 audio jack. support M.2 Key E PCIE 2.0 interface.
Review Banana Pi M4 en Español. Alternativas Raspberry Pi :
Key Features：
1，Realtek RTD1395 ARM Cortex-A53 Quad-Core 64 Bit
1，Realtek RTD1395 ARM Cortex-A53 Quad-Core 64 Bit
2，Mali 470 MP4 GPU OpenGL ES 1.1/2.0 H.264 H.265,2K4K
3，Onboard1 GB DDR4 (option 2 GB)
4，8G eMMC flash (max 64 GB)
5，10/100 Mbit/s Ethernet and RTL8821 module support Wi-Fi 802.11 b/g/n/AC + Bluetooth 4.2
6，USB 2.0 TYPE C
7，M.2 Key E slot PCIE 2.0 and USB 2.0
8，PoE function support
Hardware interface:
| HardWare Specification of Banana pi BPI-M4 | |||
| CPU | Realtek RTD1395 ARM Cortex-A53 Quad-Core 64 Bit | ||
| GPU | Mali 470 MP4 GPU OpenGL ES 1.1/2.0 | ||
| Memory | 1 GB DDR4 (option 2 GB) | ||
| Storage | MicroSD slot with support for up to 256GB expansion and 8G eMMC flash with support for up to 64GB | ||
| Network | 10/100 Mbit/s Ethernet + Wi-Fi 802.11 b/g/n/AC + Bluetooth 4.2 | ||
| Video Output(s) | HDMI port and multi-channel audio output support 1080P H.264 H.265 2K/4K | ||
| Audio Output(s) | 3.5mm jack and HDMI | ||
| PCIE | M.2 Key E slot PCIE 2.0 and USB 2.0 | ||
| USB ports | USB 2.0 PORT (x4), USB 2.0 TYPE C(x1) | ||
| GPIO | 40 Pin Header : GPIO (x28) and Power (+5V, +3.3V and GND). GPIO pins can be used for UART, I2C, SPI or PWM | ||
| Switches | Reset, Power and U-boot | ||
| LED | Power Status and Activity status | ||
| Power Source | 5 volt @2A via Micro USB (TYPE C) or PoE support | ||
| Size & Weight | 92x60mm, 48g | ||
| OS | Android and Linux | ||
Online wiki documents : https://wiki.banana-pi.org/Banana_Pi_BPI-M4
Github source code ：https://github.com/BPI-SINOVOIP/BPI-M4-bsp
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