| Manufacturer | Fonar Corporation | GE Lunar | ONI Medical Systems, Inc. | United Imaging - uMR OMEGA |
| Model | Upright | Artoscan | MSK - Extreme | Whole body |
| Clinical Application | Whole body - weight bearing MRI- position imaging (flexion, extension, bending, standing, sitting and recumbent scanning) | Dedicated extremity | Dedicated extremity imaging | Ultra-wide Bore |
| Configuration | Front-open and Top-open MRI | Closed | Open MRI magnet | |
| Synchronization | N/A | N/A | No | |
| Imaging Modes | N/A | Single, multislice, volume study, fast scan, multi slab, cine | Scout, single, multislice, volume | |
| FOV | Min. 6.0 cm | 10 - 20 cm | 4 cm - 16 cm | |
| Magnet Type | Iron-frame electromagnet | Ferrite Permanent | Superconducting | Superconducting |
| Bore Diameter | 45.72 cm horizontal | N/A | 28 cm ID x 50 cm L | 75 cm |
| Magnet Weight | N/A | 965 kg | 635 kg | 3.5MW |
| H*W*D | N/A | N/A | 146 x 69 x 84 cm | 60 x 60 x 50 |
| Power Requirements | 380/400/415/ 440/480 V | 100/110/200/ 220/230/240 V | 115VAC, 1 phase, 20A; 208VAC, 3 phase, 30A | |
| Cooling System | Water, closed-loop | N/A | L He with 2 stage cold head | |
| Cryogen Use | N/A | N/A | Negligible | Liquid Helium |
| Field Strength | 0.6 T | 0.2 T | 1.0 T | 3T |
| Strength | 12 mT/m | 10 mT/m | 15 mT/m | 45 mT/m & 200 T/m/s |
| 5 Guass Fringe Field | N/A | 28 cm/60 cm | 1.25 m radial x 1.8 m axial |
