iFlight Borg 60 Mini V2 is a powerful 4-in-1 ESC suitable for racing 5" drones with 2-8S LiPo / LiHV batteries. The ESC can handle current up to 60A and uses BlHeli_32 firmware with support for bidirectional DShot and variable PWM frequency. The ESC connects to the flight controller via a non-standard FPC ribbon cable, but solder pads are also available.
An interesting feature is the integrated anti-spark filter, which prevents sparking when connecting the battery to the quadcopter. The ESC uses polymer capacitors and eliminates the need for an external electrolytic capacitor, making the resulting build smaller and lighter.