Radxa Dragon Q8B

Radxa Dragon Q8B The Radxa Dragon Q8B is a flagship Arm motherboard based on the Qualcomm Snapdragon 8cx Gen 3 (SC8280XP). Built on a 5 nm process with an 8-core Kryo CPU, Adreno 690 graphics, and a Qualcomm AI Engine rated at up to 29+ TOPS, it is designed for edge AI, local services, and compact desktop use. Dual 2.5GbE, triple 4K display output, dual M.2 NVMe slots, and a 40-pin GPIO header give it more I/O than a typical SBC. KEY FEATURES Snapdragon 8cx Gen 3 — 4× Kryo Prime @ 3.0 GHz + 4× Kryo Gold @ 2.4 GHz Adreno 690 GPU with DirectX 12 Qualcomm AI Engine up to 29+ TOPS LPDDR4X memory, 128-bit, up to 4266 MT/s Dual 2.5GbE Ethernet Triple display — HDMI 2.1 + dual USB-C DP Alt Mode, up to 4K@120Hz Two M.2 2280 NVMe slots (PCIe 3.0 x4 + PCIe 3.0 x2) UFS 3.1 module connector + microSD Windows ARM64 and Linux support SPECIFICATIONS Category Details SoC Qualcomm Snapdragon 8cx Gen 3 (SC8280XP) 5 nm process CPU 8-core Kryo 4× Kryo Prime @ 3.0 GHz 4× Kryo Gold @ 2.4 GHz GPU Qualcomm Adreno 690 DirectX 12 / DirectML AI Qualcomm Hexagon / AI Engine Up to 29+ TOPS Memory LPDDR4X, 128-bit (8 × 16-bit) Up to 4266 MT/s Storage microSD card slot UFS 3.1 module connector M.2 M-Key 2280 (PCIe 3.0 x4) M.2 M-Key 2280 (PCIe 3.0 x2) Display 1 × HDMI 2.1 2 × USB-C DisplayPort 1.4 Alt Mode Up to 4K@120Hz Video Decode up to 4K@120 (H.265 / H.264 / VP9) Encode up to 4K@60 (H.265 / H.264) Networking 2 × 2.5GbE RJ45 M.2 E-Key 2230 for Wi-Fi / Bluetooth module USB 2 × USB 3.2 Gen2 Type-C (DP Alt Mode) 2 × USB 3.2 Gen2 Type-A 2 × USB 2.0 Type-A 1 × USB-C power (20V PD) Audio 3.5 mm headphone jack Microphone connector Expansion 40-pin GPIO (UART / I2C / SPI) PCIe 3.0 x1 FFC Fan header RTC battery connector Power USB-C PD, 12–20V 60W adapter recommended Software Radxa OS Windows 11 ARM64 Ubuntu, Debian, Armbian, Arch Linux, NixOS Dimensions 100 × 75 mm What's Included: 1 × Radxa Dragon Q8B board NOTES Wi-Fi / Bluetooth requires an M.2 E-Key module (not included) Storage is not onboard — use microSD, UFS, or NVMe (not included) A 12–20V USB-C PD power supply is required (60W recommended, not included) Case and power adapter are sold separately