The GE Voluson 730 ultrasound system was a high-end and midrange 4D OB/GYN ultrasound machine that was the most popular and well known 4D system in the world. The Voluson 730 was split into the simpler “Pro” edition and the more powerful “Expert” version with a touchscreen for navigation. 

SPECS:

Year Launched 2008
Estimated Market Price ($) Premiium
Monitor (inch) 15"
Tilt/Rotate Adjustable Monitor Yes
Monitor Resolution
Image Size Resolution
Touch Screen (Inch) 10.4"
Trackball or Trackpad Trackball
CP Back-Lighting Yes
Weight 300lbs(136kg)
Probe Ports 4(+1parking slot port)
Maximum Depth of Field 30cm
Minimum Depth of Field 0-2cm

Convex (1~6Mhz) Yes
Endocavity_Curved Type (5~8Mhz) Yes(4~9Mhz)
3D Convex (2~6Mhz) Yes(1~9Mhz)
3D Endocavity (3~10Mhz) Yes
3D Linear (4~18Mhz) Yes(6~18Mhz)
Linear (3~12Mhz) Yes(3~17)
Linear (<9Mhz) Yes
Phased Array_Adult (1~5Mhz) Yes
Phased Array_Pediatric (3~8hz) Yes

Tissue Harmonic Imaging Yes
Spatial Compounding(=CrossXbeam) Yes(Option)
Speckle Reduction (=SRI) Yes
Auto Image Opt(B mode) Yes
Auto Image Opt(Doppler) Yes
Write Zoom Yes
Triplex Mode Yes
Auto Follicle 2D Measurement Yes
Live Dual (B/BC) Mode Yes
Raw Data File Yes
Flexible Report Yes

2D, M mode Yes
M-color Flow Mode Yes
Trapezoidal Mode Yes
Color, Power Angio, Pulse Wave Doppler Yes
Bi-directional Power (=HD FLOW) Yes
SCW Doppler Yes(Option)
Tissue Doppler(Velocity) Imaging Yes
Freehand 3D Yes
Live 3/4D OB/GYN Yes
STIC (Spatio-Temporal Image Correlation) Yes
B Flow Yes(Expert)

Abdominal Yes
Women's Health Care (GYN & Breast) Yes
OB Yes
Vascular Yes
TCD(Transcranial) Yes
Small Parts (Breast, Thyroid, Testis…) Yes
MSK/Anesthesiology Yes
Pediatrics Yes
Urology (Renal, Prostate…) Yes
Echocardiography_Adult Yes
Echocardiography_Pediatric Yes
Internal Medicine w/ Shared Service Yes