ALLNET RS309-D4
Rock Pi E D4 Dual Ethernet Board RK3328 512MB RAM oh. Wifi/BT

ROCK Pi E is the youngest member of the Rockchip-based Rock Pi family. Powered by a Rockchip RK3328 64bit quad-core CPU, the board offers a ton of outstanding features.
With up to 1GB of DDR3 RAM, uSD and eMMC interface, USB3.0, dual Ethernet and wireless connectivity at a size of 2.5 x 2.2 inches (56 x 65 mm), the Rock Pi E perfect for IoT and network applications. The flexibility of the SBC is expanded with optionally available eMMC 5.1 modules or a PoE hat for power supply via network. Feature HATs will further increase the functionality and possible use cases of this SBC. No thermal management required.
3D housing to print yourself at: https://www.thingiverse.com/thing:4943843Model SoC Ram Storage WiFi Bluetooth Ethernet PoE USB uSD Audio GPIO D4 RK3328 512MB eMMC Socket [1] N/AN/A 1000M+100M N/A USB3.0 x1, USB 2.0 OTG x1 Up to 128GB 3.5mm Jack AVOUT 40P GPIO Header D4P Support PoE Hat D4W 802.11 a/b/g/n, 2.4G BT 4.2 N/A D4WP Support PoE Hat D8 1GB N/A D8P Support PoE Hat D8W N/A D8WP 802.11ac, 2.4G BT 4.2 Support PoE Hat Technical details:
Processor:
Rockchip RK3328 SOC quad-core Cortex A53 up to 1.5GHz
Neon and FPU coprocessor with shared L2 cache
Mali-450MP4- GPU
RAM
256MB/512MB/1GB
Network variants:
1x Gigabit ETH
1x 100Mbit ETH
WIFI a/b/g/n + Bluetooth 4.2
WIFI a/c + Bluetooth 4.2
WIFI + Bluetooth 4.2 + PoE
Interfaces:
USB A 3.0 port
audio port
USB-C port for power supply (OTG)
storage
TF card interface (up to 128GB)
eMMC 5.1 interface