Picked up a Dell Precision M4800 recently and immediately hackintoshed it. Still have some minor issues to work out, but WiFi and the dGPU both work! : r/hackintosh
Dell USB 3.0 E-Port Plus Dock Station for Precision M4800 M6400 M6500 Laptop | eBay
Dell PR03X Precision M4800 M6400 M6500 E-Port Docking Station Port Replicator | eBay
Dell Precision M4800 Laptop Dock
Dock Station Dell T308d A03 Replicador Precision M4800 | MercadoLivre
Order Now - Port Replicator/Docking Station Dell Precision M4700, Dell 452-11512 - DOC0009A
Dell E-Port Plus Dock Station Replicator for Precision M4800 M6400 M6500 Laptop | eBay
Refurbished: Dell Precision M4800 M6400 M6500 E-Port Plus Docking Station Port Replicator - Newegg.com