It comes with it.

Sound card introduction: Sound card (Sound Card) is also called an audio card? (It is called a sound effect card in Hong Kong and Taiwan). The sound card is the most basic component of multimedia technology and is a piece of hardware that realizes the mutual conversion of sound waves/digital signals. The basic function of a sound card is to convert original sound signals from microphones, tapes, and compact discs, and output them to sound equipment such as headphones, speakers, amplifiers, and tape recorders, or to make musical instruments emit beautiful sounds through the Music Equipment Digital Interface (MIDI).

Introduction to graphics card: Network adapter, also known as network interface board, also known as network adapter or NIC (network interface controller), is a piece of hardware designed to allow computers to communicate on a computer network Computer hardware consists of processors, memory and other components. The network card can realize the physical connection and electrical signal matching with the LAN transmission medium, and also involves the sending and receiving of frames, frame encapsulation and unpacking, media access control, data encoding and decoding, and data caching functions.