Our take
Sharp SMC1842CS is an exact-model match for the frozen candidate: the current B071L2YT8F page names SMC1842CS in its title and item details, and the source row carries the same model code. Sharp describes it as a stainless-steel countertop microwave, even though it also supports a separate optional built-in trim-kit installation. Its verified core is 1.8 cu. ft., 1,100-W output, sensor cook/reheat, a 15-in. glass turntable, blue LED, soften controls and one-touch express cooking up to six minutes. Sharp's exact sheet gives 23.2 x 13.3 x 18.9-in. dimensions and optional RK49S27/RK49S30 trim kits. The sheet says 10 power levels while Amazon's bullets say 11, so this review uses the manufacturer's figure and preserves the mismatch. No exact source reviewed classifies it for commercial foodservice. The tagged direct link is grounded in the current exact-model ASIN page; this is a source-based review, not a personal test or claim about current price, stock or buyer reviews.
Consider SMC1842CS if a 1.8-cu.-ft. cavity, 1,100-W output, sensor cook/reheat and a 15-in. tray suit your counter. Measure against Sharp's 23.2 x 13.3 x 18.9-in. body; if planning a built-in installation, confirm the cabinet opening and use only the model-approved RK49S27 or RK49S30 kit..
Pick another model if its 23.2-in. width or 15-in. turntable will not fit your space, if you need a documented commercial-duty rating, or if you cannot meet the cabinet dimensions and airflow requirements for an optional trim-kit installation.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Sharp documents a 1.8-cu.-ft. cavity, 1,100-W output and 15-in. glass Carousel turntable.
- Sensor Cook and Sensor Reheat are distinct from the one-touch beverage/popcorn controls, and four soften functions are listed separately.
- Sharp publishes exact exterior dimensions and named compatible 27- and 30-in. trim kits while identifying the base oven as countertop-capable.
- The current Amazon page and frozen row both identify model SMC1842CS, supporting a tagged direct-ASIN route.
What to weigh up
- A 23.2-in.-wide body and 15-in. tray require more counter and dish clearance than compact models.
- Optional trim kits require model-specific cabinet planning; countertop capability alone is not built-in approval.
- Sharp's sheet lists 10 power levels while the Amazon bullet list says 11; the manufacturer value is used here.
- Commercial-duty classification is not established in the reviewed exact-model sources.
The key details
| Model covered | SMC1842CS |
|---|---|
| Capacity | Sharp specifies a 1.8-cu.-ft. cavity; check dish fit separately against the 15-in. tray and interior. |
| Microwave output | Microwave output is 1,100 W; the exact sheet lists 120 V/60 Hz and 10 levels, while Amazon's 11-level bullet is a source conflict. |
| Cooking approach | Sensor Cook and Sensor Reheat are documented; express, soften and one-touch programs are separate controls, not all sensor features. |
| Installation options | The oven is countertop-capable; optional RK49S27 and RK49S30 kits are separate model-specific options with their own cabinet and airflow requirements. |
| Finish and turntable | Stainless finish and 15-in. glass Carousel tray are documented; Sharp lists a 23.2 x 13.3 x 18.9-in. body, not the nominal 24-in. title width. |
Performance figures are manufacturer claims. Source checked October 5, 2026. Regional models and included accessories can differ.
What the features mean for you
Use the exact stainless SMC1842CS identity
The current Amazon B071L2YT8F page names SMC1842CS in its exact title and model-number field, matching the source row. Sharp's model page identifies it as a stainless-steel countertop oven. The source's nominal “24-inch” title description should not be treated as the precise width: Sharp gives 23.2 in. SMC1842CS remains distinct from other Sharp 1.8-cu.-ft. finishes and codes, including the separately named SMC1843CM.
Compare capacity and cooking output
Sharp specifies 1.8 cu. ft. and 1,100 W microwave output. The specification page also lists 120 V/60 Hz. Use the measured exterior dimensions of 23.2 W x 13.3 H x 18.9 D in. for a shelf or counter check rather than estimating from the nominal 24-inch title. The 15-inch tray handles larger dishes than a compact 10- to 12-inch tray, but the cavity still needs enough surrounding space for door access and ventilation.
Sensor cooking and soften controls
Sharp lists Sensor Cook and Sensor Reheat, and its exact sheet names sensor food choices including potato, frozen entree, vegetables, pizza, meat and fish. One-touch beverage/popcorn buttons and four soften options are described separately. This supports sensorCooking true without treating every preset as a sensor feature. The sources do not guarantee a particular outcome for every load or dish.
Keep countertop and built-in configurations distinct
SMC1842CS is documented as a countertop microwave. Sharp also names optional 27-in. RK49S27 and 30-in. RK49S30 kits for this model. Those are separate installation accessories, so trimKitCompatible is true without reclassifying the base oven as a built-in-only appliance. Confirm cutout, ventilation and outlet instructions in the kit manual before installation.
Retain the power-level discrepancy
Sharp's exact specification sheet states 10 cooking levels. The current Amazon bullets say 11. I use the manufacturer value for model comparisons and record the marketplace conflict rather than combining both statements. The exact reviewed sources also do not give this model a commercial-foodservice classification, so commercialDuty remains null.
Link the verified model directly
The current B071L2YT8F page names SMC1842CS and its UPC, and that code matches the frozen source model field. That supports a direct Amazon URL with buyershortlists-20. The search link remains a tagged fallback for this exact model. No current price, inventory statement or customer-review assessment is part of this recommendation.
What else to compare
For a more compact cavity and counter footprint, Haier HMC725SESS is 0.7 cu. ft./700 W with a 9 5/8-in. tray and no verified sensor feature. Sharp SMC1842CS offers 1.8 cu. ft., 1,100 W, a 15-in. tray, sensor cook/reheat and named optional trim kits. Compare the exact space and controls you need; neither should be treated as a commercial-rated oven.
Before you buy
What are the verified capacity and output?
Sharp lists 1.8 cu. ft. and 1,100 W microwave output.
Does SMC1842CS use sensor cooking?
Yes. Sharp documents Sensor Cook and Sensor Reheat; these are separate from its one-touch and soften programs.
How large is the turntable?
The exact specification sheet lists a 15-inch glass Carousel turntable.
What is the exact body width?
Sharp lists 23.2 inches wide; the frozen title's 24-inch wording is nominal.
Can it be installed as a built-in?
Sharp names optional RK49S27 (27-inch) and RK49S30 (30-inch) trim kits for SMC1842CS. The base appliance is also countertop-capable.
How many power levels does it have?
Sharp's exact specification sheet says 10; current Amazon bullets say 11. This review uses the manufacturer's 10-level figure and records the conflict.
Is the historical ASIN exact for this model?
Yes. The current B071L2YT8F page names SMC1842CS and its UPC, matching the source model field; the tagged direct link is supported.
Is it rated for commercial foodservice?
No commercial-duty classification was found in the exact-model sources reviewed, so that attribute remains unknown.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources & review basis
We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Sharp SMC1842CS official product page and exact model specification sheet ↗ — checked October 5, 2026.
- Sharp official exact-model page: stainless countertop form, sensor cooking, turntable, soften functions and optional kits ↗ — checked October 5, 2026.
- Sharp Electronics exact-model specification and trim-kit sheet: output, capacity, 10 levels, tray, controls, dimensions, supply and RK49S27/RK49S30 compatibility ↗ — checked October 5, 2026.
- Current exact ASIN page; title and item details identify Sharp SMC1842CS and UPC 074000620155; marketplace level count conflicts with Sharp's sheet ↗Paid link · We may earn a commission. — checked October 5, 2026.
The decision
Sharp SMC1842CS is a verified stainless countertop microwave with 1.8 cu. ft., 1,100-W output, sensor cook/reheat and a 15-in. turntable. Sharp lists exact dimensions and optional 27-/30-in. trim kits. The current Amazon ASIN B071L2YT8F identifies the exact model, supporting a tagged direct link. Use the manufacturer's 10-level spec despite an Amazon bullet saying 11, and treat commercial-duty status as unknown.
Is it the right fit?
Check the exact model and today’s offers on Amazon.