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Nostalgia

Nostalgia RMO4BK Retro 0.9 Cubic Foot 800-Watt Countertop Microwave Oven

  • Countertop Microwave Oven
  • 0.9 cu ft
  • 800 watts
  • Touch
4.6/ 5 on Amazon1,200Amazon ratings4.4ProductDome score
  • Better rated than 88%
  • More reviewed than 73%
Medium confidenceLast refreshed Jun 13, 2026Amazon data + ProductDome analysis · methodology
Best forSingle people or small households wanting light reheating with retro styling

Owners keep this small, simple microwave running for years on its retro dial control, with typical wear only showing up after nearly a decade.

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ProductDome scorecard

How it ranks among the 85 countertop microwave ovens we track

4.4/ 5ProductDome scoreMedium confidence
Owner satisfaction · 63% of scorecategory median 4.2★4.6

4.6★ across 1,200 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 19% of scorecategory median 280 ratings3.8

1,200 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Data quality · 13% of score5.0

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 85 countertop microwave ovens we track - how the scorecard works · full countertop microwave ovens data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 13, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Retro styling wraps around a genuinely compact 0.9 cu ft microwave here, rated at 800 watts with 12 preset cook settings, 5 power levels and a turn-and-push dial instead of a button panel.

The retro shell is a styling choice layered onto an otherwise basic 0.9 cu ft microwave, and long-term owners describe exactly that: years of dependable reheating with a control dial that has little to go wrong with, aside from normal wear after the better part of a decade.

  • 800 watts, 5 power levels
  • 12 preset cook settings
  • Rotating glass carousel
  • LED clock display

Who it's for

Singles, students or anyone with a small kitchen who wants an easy dial-controlled microwave with retro style. Not sized for households regularly heating large casserole dishes.

What buyers say

From Amazon customer reviews.

Long-term owners reported using this microwave heavily for years, sometimes over a decade, praising its simple dial controls and retro look. A couple hit trouble, including one interior coating that began bubbling and rusting after years of daily use and one unit that arrived not working before being replaced.

Strengths and trade-offs

Drawn from this product's published specifications.

What to check first
  • 0.9 cu ft is small for large dishes
  • Interior coating can bubble or rust with age
  • Occasional dead-on-arrival unit reported

Performance notes

800 watts across 5 power levels and 12 preset cook settings handle typical reheating and light cooking, with a rotating glass carousel evening out hot spots. The turn-and-push dial replaces a button panel entirely, which several long-term owners credit for the unit's durability.

Specifications

BrandNostalgia
Dimensions & fit
Item Weight30 pounds
Item Dimensions D x W x H15 × 19 × 11 inches
Capacity & performance
Capacity0.9 cu ft
Power & efficiency
Wattage800 watts
Number of Power Levels5
Voltage110 volts
Energy Consumption800 Watts
Power Consumption800 Watts
Construction & materials
Material TypeGlass
Inner Materialglass
ColorJet Black
Compatibility & installation
Installation TypeCountertop
Human Interface InputButtons
Included components
Unit Count1
Included ComponentsMicrowave
Warranty & support
Warranty Description1 year
Other details
Control TypeTouch
Number of Programs12
Cooking Programdefrost, pizza, popcorn, potatoes, veggies
Timer FunctionTimer Function Available
Item Type NameMicrowave Oven, 5 Power Levels and 12 Cook Settings, LED Display
Additional FeaturesManual
Frequency60 Hz
Recommended Uses For ProductResidential

How it compares

This product against the closest alternatives we track in countertop microwave ovens.

ProductAmazon ratingRatingsProductDome score
Nostalgia RMO4BK Retro 0.9 Cubic Foot 800-Watt Countertop Microwave OvenThis product4.6 / 51,2004.4 / 5
COMFEE' EM720CPL-PMB Countertop Microwave Oven with Sound On/OffCOMFEE'4.4 / 528,0004.4 / 5
Panasonic Microwave Oven NN-SN686S Stainless Steel Countertop/Built-In with Inverter…Panasonic4.3 / 58,4004.4 / 5
TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu FtTOSHIBA4.4 / 532,2994.3 / 5
BLACK+DECKER EM720CB7 Digital Microwave Oven with Turntable Push-Button DoorBLACK+DECKER4.2 / 522,3004.3 / 5
Frequently asked

Questions about the Nostalgia countertop microwave ovens

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

How big is the turntable on the Nostalgia RMO4BK?

Reviewers note it holds a normal size dinner plate, described as a full-sized rotating plate.

How long does the Nostalgia retro microwave typically last?

Multiple long-term owners reported 8 to 12 years of use before needing replacement, with one noting interior coating wear near the end.

Does the Nostalgia RMO4BK have a 12-hour clock?

Yes, one reviewer specifically noted the LED display includes a 12-hour clock, an upgrade from an earlier version they owned.