Mindray: Resona R9
The primary predecessor model of the Mindray Resona R9 ultrasound machine is the Resona 7, and its reference machines include Mindray DC-80, M6, MX7, M9, Samsung RS85, Esaote MyLab Twice, Philips EPIQ 7, Supersonic Aixplorer, GE Logiq E9, and Voluson E8, Mindray TE7, and DC-80A.
Imaging modes on the Mindray Resona R9 ultrasound machine include: B-mode, M-mode, Color M-mode, Color Doppler, Power Doppler, PWD, CWD, combined modes (B+M, PW+B, Color+B, Power+B, PW+Color+B, Power+PW+B), TDI, Smart 3D, 4D, iScape View, THI, Elastography, Contrast Imaging, STQ, STE, V Flow. These same modes are also available on the Resona 7 ultrasound machine.

Video reviews
Mindray: Resona R9