No need to dig through device manager and lookup controller IDs. All the specs are available on HP’s website here. Just choose ‘Product Specifications’ from the drop-down menu and select your model.
I clicked on a few of them and all said 5Gbps but check your specific product number
1 SuperSpeed USB Type-C® 5Gbps signaling rate (DisplayPort™ 1.4, HP Sleep and Charge); 1 SuperSpeed USB Type-A 5Gbps signaling rate (HP Sleep and Charge); 2 SuperSpeed USB Type-A 5Gbps signaling rate;