An ultrasound system (1, 1A, 1B) comprising: a plurality of types of display terminals (3, 3A, 3B, 4, 5) each having a monitor; and an ultrasound probe (2, 2A, 2B) connectable to any of the plurality of types of display terminals (3, 3A, 3B, 4, 5), wherein the ultrasound probe (2, 2A, 2B) includes an oscillator array, a transmission circuit that transmits an ultrasound wave from the oscillator array, a reception circuit that performs reception focus processing on a reception signal output from the oscillator array that has received an ultrasound echo to generate a sound ray signal, an image generation unit (14, 14B, 32, 32B) that generates ultrasound image data based on the sound ray signal, and a data selection unit that selects one of the ultrasound image data generated by the image generation unit (14, 14B, 32, 32B) or intermediate data generated by the reception circuit in a middle of generating the ultrasound image data from the reception signal, according to a computing power of a display terminal (3, 3A, 3B, 4, 5) connected to the ultrasound probe (2, 2A, 2B) among the plurality of types of display terminals (3, 3A, 3B, 4, 5), as data to be output to the display terminal (3, 3A, 3B, 4, 5), wherein the ultrasound probe has a computing power determination unit that determines the computing power of the display terminal connected to the ultrasound probe or wherein each of the plurality of types of display terminals (3, 3B, 4, 5) has a computing power determination unit that determines the computing power, the display terminal (3, 3A, 3B, 4, 5), which has received the ultrasound image data from the ultrasound probe (2, 2A, 2B), displays an ultrasound image based on the ultrasound image data on the monitor, and the display terminal (3, 3A, 3B, 4, 5), which has received the intermediate data from the ultrasound probe (2, 2A, 2B), generates ultrasound image data from the intermediate data and displays an ultrasound image based on the ultrasound image data on the monitor. a plurality of types of display terminals (3, 3A, 3B, 4, 5) each having a monitor; and an ultrasound probe (2, 2A, 2B) connectable to any of the plurality of types of display terminals (3, 3A, 3B, 4, 5), wherein the ultrasound probe (2, 2A, 2B) includes an oscillator array, a transmission circuit that transmits an ultrasound wave from the oscillator array, a reception circuit that performs reception focus processing on a reception signal output from the oscillator array that has received an ultrasound echo to generate a sound ray signal, an image generation unit (14, 14B, 32, 32B) that generates ultrasound image data based on the sound ray signal, and a data selection unit that selects one of the ultrasound image data generated by the image generation unit (14, 14B, 32, 32B) or intermediate data generated by the reception circuit in a middle of generating the ultrasound image data from the reception signal, according to a computing power of a display terminal (3, 3A, 3B, 4, 5) connected to the ultrasound probe (2, 2A, 2B) among the plurality of types of display terminals (3, 3A, 3B, 4, 5), as data to be output to the display terminal (3, 3A, 3B, 4, 5), wherein the ultrasound probe has a computing power determination unit that determines the computing power of the display terminal connected to the ultrasound probe or wherein each of the plurality of types of display terminals (3, 3B, 4, 5) has a computing power determination unit that determines the computing power, the display terminal (3, 3A, 3B, 4, 5), which has received the ultrasound image data from the ultrasound probe (2, 2A, 2B), displays an ultrasound image based on the ultrasound image data on the monitor, and the display terminal (3, 3A, 3B, 4, 5), which has received the intermediate data from the ultrasound probe (2, 2A, 2B), generates ultrasound image data from the intermediate data and displays an ultrasound image based on the ultrasound image data on the monitor.