The Panasonic NN-SN77HS is a big countertop microwave. Its cooking chamber is deep and wide but not as high as many microwaves', so keep that in mind if you need to reheat beverages in pitchers or bottles. Its controls don't stand out much from other microwaves but include sensor cooking and defrosting, a 'Standing Time' option, and a mute function.
Our Verdict
The 1250-watt Panasonic NN-SN77HS heats food particularly quickly. It's faster than some microwaves with a similar advertised power output, like the Breville the Smooth Wave.
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Very fast heating.
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Wide and deep cooking chamber.
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Sensor cooking and mute function.
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Cooking chamber is a bit short.
Differences Between Sizes And Variants
This microwave comes in one variant. You can see the label for the unit we tested here.
If you encounter another variant, let us know in the comments, and we'll update our review.
Compared To Other Microwaves
The Panasonic NN-SN77HS is a big countertop microwave that heats food faster than most microwaves we've tested. If you need even more space in the cooking chamber, the Panasonic NN-SN975S is the only countertop microwave we've tested with a bigger chamber. This model's chamber is a bit short for its overall size. If you need more vertical space, consider the Panasonic NN-SN67HS or the Toshiba EM131A5C-BS, although these models heat food slightly slower.
If you're looking for a recommendation, check out the best over-the-range microwaves and the best microwaves.
Test Results
The chamber is wide and deep but not that high. The light inside isn't bright enough to provide great visibility into the chamber.
Aside from a slightly different layout, its controls are very similar to other microwaves from the brand, like the Panasonic NN-SN67HS or Panasonic NN-SN975S. You can easily start a quick 30-second cycle, mute its controls, and it has plenty of modes aside from manual cooking. There are sensor reheat and defrost functions and 15 'Sensor Cook' programs. These modes use a sensor that detects steam and automatically adjusts the cook time. You can set it to keep your food warm at a low power setting, program a delayed start, or set a 'Standing Time' for foods like microwave dinners that are meant to sit after cooking. The main way its controls and programs stand out from other Panasonic models is the addition of a 'Coffee/Milk' button.
All microwaves perform similarly when evenly heating food in shallow dishes. Heating evenness depends on what kind of food you're microwaving, how much of it, and in what container. If you're interested in knowing more about microwave performance, check out our investigation here.
Like with shallow dishes, you won't notice a difference between microwaves when evenly heating food in deep dishes. Evenness depends on what you're heating, not what microwave you use. You can read more about our investigation into microwave performance here.