Waveshare’s “Gigabit / 2.5G Dual Ethernet Mini-Computer (B)” is a compact Raspberry Pi CM5 fanless mini PC featuring 4K HDMI video output, 2.5GbE and Gigabit Ethernet RJ45 ports, two USB slots, a microSD card slot, and USB-C power. Internally, it includes an M.2 Key-M socket for a 2230/2242/2280 NVMe SSD or AI accelerator, dual MIPI DSI/CSI connectors for cameras or displays, and a 40-pin GPIO header. The MIPI device cables can pass through an opening under the HDMI and USB 2.0 ports of the metal case, while the GPIO headers are accessible through a small external cover.
Specifications of the Gigabit / 2.5G Dual Ethernet Mini-Computer (B):
- Main Board: CM5-DUAL-ETH-BASE-B
- Supported SoMs: Raspberry Pi CM5 or CM5 Lite, and potentially compatible modules like Banana Pi BPI-CM5 Pro, Radxa CM5, and Orange Pi CM5, though not tested by Waveshare
- Storage: MicroSD card slot, M.2 Key-M (PCIe Gen 2.1/3 x1) socket for NVMe SSD
- Video Output: HDMI 2.0 up to 4Kp60
- Networking: 2.5GbE RJ45 port (likely Realtek module via USB 3.0 to 2.5GbE chip) and Gigabit Ethernet RJ45 port
- USB: USB 3.2 Gen 1 (5 Gbps) port, USB 2.0 port, USB Type-C port (power and eMMC flashing)
- Miscellaneous: Power button, RTC battery connector, dual-color status LED, onboard BOOT switch
- Power Supply: 5V via USB-C
- Enclosure: Aluminum alloy for fanless operation
- Accessories: Thermal pads, thermal pad for SSD/AI accelerator, screwdriver, screws pack
- Dimensions: 101 x 62 x 23.40 mm