Which RX570 should I get?

I'm currently building a rig with a friend and we're down to 3 GPU options.

• MSI RX570 Gaming X - 230€
  
• Sapphire RX570 Pulse - 220€
  
• Asus RX570 Expedition - 215€
  

Which one should I get? I plan on modding them to get the most hashing rate out of them