Notice for all Realtek Parts on www.FutureElectronics.com Please contact Realtek directly for any technical specifications and documentation regarding their products listed on www.FutureElectronics.com. You can request information using the links below Technical Support USA Contact: https://www.realtek.com/en/contact-us-en/cu-1-en-2/cu-1-usa-en Taiwan Contact: https://www.realtek.com/en/contact-us-en/cu-1-en-2/cu-1-taiwan-en China Contact: https://www.realtek.com/en/contact-us-en/cu-1-en-2/cu-1-china-en Sales Contact https://www.realtek.com/en/contact-us-en/cu-2-en-2 www.FutureElectronics.com