Android 5.1.1 (Lollipop), Upgradable to Android 6.0 (Marshmallow) / Ubuntu 16.04 LTS Linux (Hardkernel Official Kernel 3.14 LTS), Full root access, GPIO wiringPI & 4K 60Hz HDMI output
Chipset
Amlogic S905 (28 nm 64-bit 2.0GHz Quad-Core Cortex-A53 & ARM Mali-450 MP3 GPU @ 750MHz with 4K @ 60fps 10-bit H.265 / HEVC Hardware Video Decoder + Hardware Crypto Engine)
RAM
2GB High-Speed DDR3 RAM (2GB RAM Flagship!)
Storage
High-Speed eMMC 5.0 Socket / Massive microSD Slot (supports up to 128GB eMMC module / 256GB microSD)
Display
No built-in screen • 3840 x 2160 pixels (4K UHD @ 60fps HDMI 2.0 Output)
Main camera
No (Single Board Computer - USB UVC HD Webcams supported via Full-Size USB 2.0 Ports)
Selfie camera
No
Battery
External DC 5V/2A Power Supply via 2.5mm/0.8mm DC Barrel Jack (No Internal Battery - Continuous 24/7 Enterprise Server Operation!) • External DC 5V/2A Adapter