Anker 577 Thunderbolt Docking Station comes with 3 accessories:

• 180W power adapter (Connector size: 5.5 × 2.1 mm / 0.21 × 0.08 in)
•  3.9ft power cord
• 2.3 ft Thunderbolt 3 cable

It is recommended that you use the included Thunderbolt 3 cable. If you need to use a different cable, then the other Thunderbolt 3 cable would also be compatible.