Liquid cooling in a homelab is either the thing that finally lets you run a quiet 600 W GPU under your desk or the slow-moving disaster about to short a $4,000 rig. We walk the actual thermodynamics, AIO versus custom loops, what changes when the heat is GPU-class instead of CPU-class, the failure modes that bite 24/7 hardware, and the honest cost-benefit against better airflow.
Cooling
-
Liquid-Cooling a Homelab -
The Thermodynamics of Cooling Your Rack Every watt your homelab consumes becomes heat, and heat physics — not marketing — dictates whether your equipment lives or throttles. From Q = m·Cp·ΔT and CFM math to heatsink fin geometry, airflow management, liquid cooling, and PUE thinking applied at home: a working engineer's guide to the thermodynamics of the rack.
-
Thermal Paste and Interface Materials: What Is Actually in the Tube The chemistry and physics of thermal interface materials — why machined metal surfaces are mostly air, how silicone carriers, ceramic fillers, silver, and liquid metal actually transfer heat, and what pump-out, dry-out, and application method debates actually mean in practice.
-
The Quiet Server Build: Acoustics, Cooling, and Vibration in a Homelab How to build a homelab that doesn't sound like a data center: fan selection and PWM curves, PSU acoustic profiles, vibration isolation for spinning drives, room treatment, and the tradeoffs between silence and thermal headroom.