How many fit
Only 5 of the 23 models checked meet every need here: “Scan to port and starboard”.
5 models fit, out of 23 checkedPicked for one job
Top pick

The strongest expandable side-imaging choice is HELIX 7 MSI G4N, which pairs MEGA Side Imaging with Ethernet and MEGA Live compatibility.
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Combining MEGA Side Imaging with Ethernet and MEGA Live compatibility makes HELIX 7 MSI G4N the strongest expandable side-imaging choice.
By the numbers
What we found across the fish finders we compare, plus the checked facts behind each finding.
Only 5 of the 23 models checked meet every need here: “Scan to port and starboard”.
5 models fit, out of 23 checkedHumminbird HELIX 7 MSI GPS G4N lists 7 in for screen diagonal, 40% above the 5 in median.
How we countedThe count uses each product's current fit ratings for “Scan to port and starboard”. A need with no documented match is not counted.
How we calculatedFigures are the nominal screen diagonal. How easy it is to read still depends on resolution, brightness and viewing distance. The median draws on the 16 of 23 models that publish comparable figures.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Humminbird HELIX 7 MSI GPS G4N |
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| Garmin STRIKER Vivid 9sv |
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| Lowrance Eagle 7 TripleShot HD |
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Decision guide
HELIX 7 MSI G4N takes the lead as the expandable side-imaging choice since MEGA Side Imaging comes together with Ethernet and MEGA Live compatibility.
Its display is 7-inch, and expanding into networking and live sonar adds hardware, wiring and cost.
The named Amazon configuration includes a transducer, and the display is 7-inch.
If scanning both sides of the boat decides it for you, pick Garmin STRIKER Vivid 9sv or Lowrance Eagle 7 TripleShot HD instead.
3 options

Humminbird, HELIX 7 CHIRP MEGA SI GPS G4N
A transducer is included in the named Amazon configuration, and the display is 7-inch.
Top pick ifgo back to saved fishing spots and map an uncharted lake
Adding networking and live sonar brings extra hardware, wiring and cost.

Garmin, STRIKER Vivid 9sv with GT52HW-TM
Its 9-inch display comes alongside a transducer in the named Amazon configuration.
Pick this instead ifscanning both sides of the boat is the deciding need
A narrow kayak console is a tight fit for a unit this large.

Lowrance, Eagle 7 TripleShot HD
A 7-inch display comes with it, and the named Amazon configuration also includes a transducer.
Pick this instead ifyour deciding need is to scan both sides of the boat
This is not a platform for networked live sonar.
Ready to buy
Top pick for this job

A 7-inch display is built in.
See price & reviews on AmazonPick this instead if

scanning both sides of the boat is the deciding need
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