Needle-guidance systems, components, and methods thereof are disclosed. A needle-guidance system can include a console, a needle magnetizer incorporated into the console, an RFID-tag reader incorporated into the console, and an ultrasound probe. The console can be configured to instantiate a needle-guidance process for guiding insertion of a magnetized needle into a blood vessel of a patient using a combination of ultrasound-imaging data, magnetic-field data, and RFID-tag information for the needle received by the console. The ultrasound probe can be configured to provide to the console electrical signals corresponding to both the ultrasound-imaging data and the magnetic-field data. The ultrasound probe can include an array of piezoelectric transducers and an array of magnetic sensors respectively configured to convert reflected ultrasound signals from the patient into an ultrasound-imaging portion of the electrical signals convert magnetic signals from the magnetized needle into a magnetic-field portion of the electrical signals.