High-Density Multi-Node Device Labs: Hardware Infrastructure Guide

High-density multi-node device labs often need many real Android nodes with stable USB and optional per-device IP. **Hardware stack** - Motherboard box for maximum density when screens are not needed - Phone farm box when apps require display or sensors - Network module when IP rotation is required - Cooling module in warm climates **Sustainability factors** - CapEx on racks vs recurring cloud fees - Power cost at 24/7 charging load - Maintenance time for cables and fans PhoneFarm ICU quotes hardware from Guangzhou — workflow compliance is buyer responsibility.