SinoVoIP has just unveiled their latest Banana Pi BPI-M4 board powered by Realtek RTD1395 processor, following Raspberry Pi 3B+ form factor, and adding an M.2 key E socket with PCIe 2.0 and USB 2.0 signals. The new SBC by SinoVoip has a 92 x 60mm footprint and a 40-pin, Raspberry Pi compatible expansion connector. The […] // Read more: original article.