The Panasonic NN-SV79MS is a 1.4 cu ft, 1200W countertop microwave at $329.99 with a 3.9-star average from 344 reviews. It delivers solid wattage in a roomy cavity, but the 3.9-star rating at this price point signals that buyers have some reservations worth understanding before purchasing.
Households that need a full-size microwave with real wattage, 1200W covers most cooking tasks quickly, and who want a stainless steel finish with a straightforward button-and-dial control layout. The 1.4 cu ft interior handles casserole dishes and larger containers easily.
Skip if
Skip if the 3.9-star rating at 344 reviews concerns you in a $330 purchase. If you want a cleaner track record, several Panasonic models in this price range carry 4.2 or higher across many more reviews. Also skip if you need inverter technology for more precise power delivery.
Capacity 1.4 cu ft
Heating Electric
Wattage 1200 W
Power levels 3
Installation Countertop
Width 20.43 in
Priced 21% above the category median ($271.99 across 81 tracked models)
Capacity of 1.4 cu ft - larger than 75% of the 84 models we track
Wattage of 1200 W - higher than 61% of the 84 models we track
Our scorecard
3.9/5overall
Owner rating3.9/5
3.9 average across 344 owner ratings
Value for money2.1/5
$236 per cubic foot, above the category median
Popularity3.0/5
344 owner reviews, more than most models here
Storage space3.9/5
1.4 cu ft, roomy for this category
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other kitchen ranges, cooktops, wall ovens, range hoods and microwaves we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The NN-SV79MS packs 1200W into a 1.4 cu ft cavity that measures 20.43 inches wide, giving you genuinely fast cooking in a footprint that accommodates family-size portions. The electric heating method and three power levels keep operation simple, while the buttons-and-dial control interface avoids the touchscreen issues some buyers cite on competing models. At 27.3 lb, it is lighter than many stainless units of comparable capacity.
The 3.9-star average across 344 reviews sits slightly below the typical threshold where most buyers feel confident. It is not a red flag by itself, but at $329.99 it is worth noting that Panasonic sells closely related models with higher ratings at similar or lower prices. This model may reflect early-run quality variation or a feature set that falls short of expectations for the price.
The 20.43-inch width and 1.4 cu ft capacity are practical for most American households. Three power levels is fewer than typical, which may frustrate buyers who routinely use intermediate power settings for delicate reheating tasks like warming up leftovers without overcooking edges.
Pros
1200W output cooks faster than 900-1000W units in the same class
1.4 cu ft cavity handles large dinner plates and casserole dishes
Lightweight at 27.3 lb for a unit of this capacity
Button-and-dial controls are reliable and easy to operate
Cons
3.9-star average from 344 reviews is below average for a $329.99 Panasonic
Only 3 power levels limits fine-grained control over heating intensity
Higher price compared to other Panasonic models with better buyer satisfaction
Specifications
Capacity
1.4 cu ft
Heating
Electric
Wattage
1200 W
Power levels
3
Installation
Countertop
Width
20.43 in
Controls
Buttons, Dial
Color
Stainless Steel
Dimensions
17.4 X 20.43 X 12.95 In
Weight
27.3 lb
Voltage
120 Volts
Performance notes
At 1200W, this microwave heats food notably faster than 900-1000W units, which matters for daily use. The 1.4 cu ft interior at 20.43 inches wide fits a standard 12-inch dinner plate with room to spare. Three power levels, high, medium, and low in practice, are sufficient for most reheating and cooking tasks, though users who rely on 30 or 50 percent power for delicate defrosting may find the steps too coarse. The electric heating method is conventional. Controls combine physical buttons with a dial for time setting, which some users prefer over flat touchscreens that lack tactile feedback.
What buyers say
At 344 reviews and a 3.9-star average, buyer feedback suggests the unit performs its basic function but disappoints a meaningful share of buyers relative to expectations set by its $329.99 price tag. For a Panasonic microwave at this price, most buyers expect the 4.2 to 4.4 range typical of the brand's higher-volume models. The moderate review count also means fewer data points to draw confident conclusions from.
How does the NN-SV79MS compare to other Panasonic microwaves at a similar price?
Several Panasonic models near the $280-$350 range carry 4.2 to 4.4-star averages across thousands of reviews. The NN-SV79MS at 3.9 stars from 344 reviews suggests it has not resonated as strongly with buyers, though the lower review count makes it harder to draw firm conclusions. Compare spec-by-spec against models like the NN-SN68KS or NN-SN76LS before deciding.
Is 1200W significantly faster than 1000W for everyday tasks?
Yes, meaningfully so. A 1200W microwave delivers 20 percent more power than a 1000W unit, which cuts heating time on most tasks by about 15 to 20 percent. For someone reheating meals daily, that adds up. The 1.4 cu ft cavity combined with 1200W makes this one of the more capable domestic countertop options in this size class.
Are three power levels enough?
For basic reheating and cooking, three levels cover most common needs. The limitation shows up with delicate tasks like softening butter, melting chocolate, or defrosting protein without cooking the edges. Users who do those things frequently will find 10 or more power levels more practical.
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