Family-Size 1.2 cu. ft. Countertop Microwave Oven

  • 1300 Watt High Power
  • Inverter Technology
  • Inverter Turbo Defrost
  • One-Touch Sensor Cook and Reheat
  • Keep Warm Feature

SpecificationsExpand All

    • SIZE
    • Type
    • Installation
    • Oven Capacity
    • Cooking Power
    • Turntable Diameter
    • Panasonic Inverter
    • Genius Sensor
    • DESIGN
    • Color
    • Control Panel
    • Display Panel
    • Cooking Options
    • STYLE
    • Door Front
    • Door Window
    • Exterior Wrap
    • Door Release
    • Oven Interior
    • Power Settings
    • Multi-Stage Cooking
    • Automatic Turntable
    • Sensor Cook
    • Sensor Reheat
    • Auto Reheat
    • More/Less Control
    • Inverter Turbo Defrost
    • Keep Warm
    • Popcorn
    • Quick Minute
    • Delay Start
    • Timer
    • Power Requirements
    • Cavity Dimensions (H x W x D) inches
    • Unit Dimensions (H x W x D) inches
    • Weight
    • UPC


NN-SN657S is rated 3.3 out of 5 by 6.
Rated 5 out of 5 by from Poweful microwave I bought this microwave a few months ago. So far the microwave has worked well, it heats my food very fast. This microwave seems that it will last for a long time.
Date published: 2012-03-14
Rated 2 out of 5 by from Good, while it lasted Purchased this not quite 2 years ago, and worked well. The defrost and reheat buttons are really convenient. When it started making a low buzz sound yesterday we were hoping it wasn't detrimental as we really like the features of this one, and don't want to have to get another microwave after such a short period of time. Alas, the buzzing got progressively louder, and it bit the dust. As much as I like the microwave while it lasted, going to steer away from Panasonic for the replacement. This is the shortest lifespan for any appliance I've had, or even that my parents have had for that matter.
Date published: 2012-03-05
Rated 2 out of 5 by from Worked Great Then Died This microwave worked great for two and a half years and then just stopped. No warnings, no errors, it just shut itself off and wouldn't start again. No display and no indication it was getting any power at all despite the fact it was plugged into a working outlet. Unfortunately I'll have to buy a new appliance because this one was used daily but is far past warranty. However, I don't think I will be buying another Panasonic product. On a side note to R&D: My previous microwave, a clunky little off-brand model, worked great for 15 years before giving up the ghost. If smaller companies can build dependable products like that, surely a Goliath like Panasonic can match them.
Date published: 2012-01-27
Rated 5 out of 5 by from Great microwave! I have been using this microwave for over a year now and it is still running great! The Inverter technology cooks and reheats my food perfectly and evenly. This is also a very powerful microwave!
Date published: 2012-01-19
Rated 1 out of 5 by from lemon This is the worst piece of cooking equipment I have ever wasted money on, I would not recommend this to anyone. Purchased this microwave 3 weeks ago and it has been nothing but trouble and finally this week the door switch broke. STAY CLEAR OF THIS!!!!!1
Date published: 2010-09-15
Rated 5 out of 5 by from
Date published: 2010-08-18
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Panasonic USA