Our take
SMC1843CM brings a 1.8-cu.-ft. cavity, a 15-inch Carousel tray and sensor controls to a countertop microwave that also has documented optional Sharp trim kits. It suits buyers who can measure the space and want that installation choice, with lower output than the larger 1,200-W FGMO205KF.
For a household that wants more interior room than compact models and may use either countertop placement or a matching Sharp trim kit after measuring the opening..
Skip it if your counter cannot fit the body, your cabinet opening cannot meet an RK49 kit's dimensions, or you require confirmed commercial-foodservice classification. The historic Amazon ASIN does not verify a current offer.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Sharp lists exact capacity, 1,100-W output, 15-inch tray and 120-V/60-Hz supply for SMC1843CM.
- Sensor Cook/Reheat, soften, express cook and +30 seconds provide named control choices.
- Optional 27- and 30-inch RK49 kits are specifically listed for SMC1843CM.
What to weigh up
- The trim kits are separate and require exact cabinet, cutout and ventilation measurements.
- At 1.8 cu. ft., it is smaller than Frigidaire FGMO205KF's 2.0-cu.-ft. cavity and 16-inch tray.
- The reviewed documents do not classify it for commercial foodservice, and the old Amazon ASIN is unverified.
The key details
| Model covered | SMC1843CM |
|---|---|
| Capacity | Capacity: 1.8 cu. ft.; removable 15-inch glass Carousel turntable. |
| Microwave output | Microwave output: 1,100 W; Sharp lists AC 120 V/60 Hz. |
| Cooking approach | Sensor Cook/Reheat, soften settings, +30 seconds, express cook up to six minutes and ten power levels are listed. |
| Installation options | Countertop fit; optional Sharp RK49S27 and RK49S30 trim kits are named for this model. |
| Finish and turntable | Black cabinet with stainless door; exact historical Amazon mapping remains unverified. |
Performance figures are manufacturer claims. Source checked October 11, 2026. Regional models and included accessories can differ.
What the features mean for you
Compare the tray and cavity to the dishes you use
Sharp lists a 1.8-cu.-ft. cavity and a removable 15-inch glass Carousel turntable for exact model SMC1843CM. The diameter gives a useful reference for plates that need to rotate, while the cavity still needs to be checked for the height and shape of bowls or covered dishes. The black cabinet and stainless door are specified as separate surfaces. This model sits between the compact 0.9-cu.-ft. Magic Chef MCG992ARB and the larger 2.0-cu.-ft. Frigidaire FGMO205KF in the products added here, giving a middle size without claiming that capacity alone guarantees fit.
Use the named sensor and quick-start controls
The specification names Sensor Cook and Sensor Reheat, plus soften settings, express cook up to six minutes and a +30-second key. Those functions are documented options for reheating or starting a short cycle. They do not mean a user can skip the operating instructions or assume a particular outcome for every food. Sharp also lists ten power levels, which gives a manual time-and-level path. A household that mostly heats one mug may not need the broader feature set; the more useful distinction is whether the sensor and soften options match actual routines.
Treat trim kits as a measured installation plan
Sharp names RK49S27 and RK49S30 for SMC1843CM and provides separate frame and cutout dimensions. These are optional accessories, not a statement that the microwave should be enclosed without the kit. The specification warns that the correct Sharp kit must be used to preserve airflow and says not all ovens can be built in. Check the model label, kit opening, electrical outlet location and ventilation path before ordering. Counter placement remains a supported alternative, provided the body's clearances are respected.
Read the output and finish from the exact sheet
Sharp lists 1,100 W cooking power and an AC 120-V/60-Hz supply. This output sits below the 1,200 W listed for Frigidaire FGMO205KF and Amana RFS12TS, but Amana has a commercial 20-A connection while SMC1843CM is not classified as foodservice equipment in the reviewed record. Do not infer duty class from a stainless door or a high output number. The exact sheet identifies a black cabinet and stainless door, which is more precise than using the single generic phrase stainless microwave.
Verify current offer identity independently
The historical Amazon page for this candidate did not resolve, so no direct ASIN link is used. The tagged search names SMC1843CM exactly. Search results can surface neighboring SMC1842CS and other Sharp models, so check the full code before comparing a seller's package, finish or included accessories. The maker sheet supplies fixed model features; it does not provide current price or stock. A shopper should check the delivered label and the separately sold trim kit if a cabinet installation is planned.
What else to compare
Before you buy
Which trim kits fit SMC1843CM?
Sharp lists optional RK49S27 and RK49S30 kits for SMC1843CM; match the cabinet opening to the selected kit.
What size is the turntable?
Sharp's exact-model sheet lists a removable 15-inch glass Carousel turntable.
Is this a commercial microwave?
The reviewed Sharp material does not classify SMC1843CM for commercial foodservice, so that duty status 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 SMC1843CM official specification sheet ↗ — checked October 11, 2026.
- Sharp SMC1843CM exact-model specification sheet. Rechecked 2026-10-11: capacity, output, finish, turntable, sensor functions, power levels, 120-V/60-Hz rating and optional RK49S27/RK49S30 kit table. ↗ — checked October 11, 2026.
- Sharp exact-model product page. Saved record identifies countertop placement, SMC1843CM and optional trim-kit route; rechecked 2026-10-11. ↗ — checked October 11, 2026.
The decision
SMC1843CM brings a 1.8-cu.-ft. cavity, a 15-inch Carousel tray and sensor controls to a countertop microwave that also has documented optional Sharp trim kits. It suits buyers who can measure the space and want that installation choice, with lower output than the larger 1,200-W FGMO205KF.
Is it the right fit?
Check the exact model and today’s offers on Amazon.