The fan connector is incredibly fragile. Do not yank the wire; lift the plastic locking tab first.
Disclaimer: Opening your PS4 voids the warranty (though most are expired now) and involves risk of electric shock from the PSU. Always discharge static electricity before touching the motherboard. Ps4 Parts Diagram
The PS4 is built around a centralized motherboard and a heavy-duty cooling system, all housed within a multi-layered plastic and metal chassis. 1. The Brain: APU (Accelerated Processing Unit) The fan connector is incredibly fragile
At its heart, the PlayStation 4 is built around several modular blocks designed for efficient airflow and power distribution. Ps4 Parts Diagram
A 2.5-inch SATA drive (typically 500GB or 1TB) that is easily accessible and user-upgradable.