• CPU : Intel Core i3‑N305 – 8 cores / 8 threads, up to 3.8 GHz
• 6 MB cache, AVX2 instruction set
• 1 × DDR5 SO‑DIMM slot  (up to 48 GB, 4800 MT/s)
• Note: DDR4 / DDR3 modules are not supported

• 1 × M.2 NVMe (PCIe Gen3 ×4, 2280)
• 1 × eMMC connector (bootable)
• 4 × SATA 3.0 ports (6 Gbps)
• 4 × SATA power headers (JST‑XH)

The board remains compact for embedded and ITX builds.

• Footprint: 120 mm (W) × 120 mm (D)
• Overall height: ~47 mm (with passive heatsink)
• Compatible fan sizes: 92 × 92 × 15 mm (or 25 mm in Type 4 case)

• Intel UHD Graphics – 32 EUs, up to 1250 MHz
• 1 × HDMI 2.0 (4K @ 60 Hz)
• 2 × DisplayPort 1.2 (4K @ 60 Hz)
• Triple‑monitor output, audio via HDMI / DP / 3.5 mm / SPDIF

• 2 × 2.5 GbE (Intel I226‑V)
• Supports 10 / 100 / 1000 / 2500 Mbps, Wake‑On‑LAN

• 2 × USB 3.0  |  2 × USB 2.0
• 24‑pin header: 3 × USB 2.0, UART, I²C, HDMI‑CEC, power pins

• Dual BIOS with hardware recovery jumper
• RTC backup battery included
• On‑board Power & Reset buttons
• Boot from USB, NVMe, SATA, or eMMC

• Pre‑installed passive heatsink; 12 V 4‑pin PWM fan header
• Input : 14–20 V DC (5.5 / 2.1 mm barrel jack)
• Recommended PSU: 15 V / 4 A (SSD) or 19 V / 7 A (multi‑HDD)

• Idle (headless) : ≈ 2–3 W
• Idle (GUI)     : ≈ 5–6 W
• CPU + GPU stress: ≈ 19–22 W
• Suspend to RAM : ≈ 1 W
• Powered off    : ≈ 0.2 W

• Red: Power
• Blue (left): Sleep | Blue (right): PMIC
• Amber: SATA activity
• Green: NVMe activity

• High‑capacity NAS / media server
• Edge AI inference & machine‑vision gateways
• Industrial control, robotics, and automation
• Virtualization and multi‑display workstations
• Digital signage, kiosk, and 4K content playback

Full manuals, OS images, and accessories:
https://wiki.odroid.com/odroid-h4/start