Whirlpool WMCS4321TZ Countertop Microwave with 1.1 cu. ft. Capacity, 1000 Watts Cooking Power, Sensor Cooking and 5 Auto Cooking Modes (Fingerprint Resistant Stainless Steel)
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Whirlpool
Why this brand stands out for our shoppers
American Craftsmanship
Over 100 years of U.S. manufacturing heritage built on dependable engineering and durability.
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Consistently strong customer reviews and some of the lowest return rates in the industry.
Everyday Luxury
Clean design, smooth finishes, and intuitive controls that elevate the home without complication.
Whirlpool WMCS4321TZ Features
Whirlpool 1.1 cu. ft. Countertop Microwave with Sensor Cooking
Give your meal the exact heat it deserves. Help prevent overcooking with Sensor Cooking technology. Keep heating hassle free with 5 Auto Cooking Modes, all while CleanRelease® Non-Stick Interior helps prevent spills from sticking. Plus, the Dishwasher-Safe Turntable allows for easy clean-up.
- Sensor Cooking
- 5 Auto Cooking Modes
- CleanRelease® Non-Stick Interior
- Electronic touch controls
- Dishwasher-Safe Turntable Plate
- Popcorn Preset
- Keep Warm
- Dark Interior
- Steam Clean
- 10 Power Levels
- 2 Steps To Open The Microwave
Glass Door
Upgrade your kitchen with the Glass Door microwave. The streamlined design is easy to clean and adds a modern touch to your kitchen.
Melt/Soften
Melt or Soften without the guesswork thanks to sensors that automatically monitor cooking for you, so you can easily melt ingredients like chocolate, butter, and more while taking on other tasks.
3 Express Buttons
Get cooking quickly and efficiently without the need to type in a time with 3 Express Buttons.
Mute Function
Use the Mute Function to easily turn microwave selection sounds on and off with a simple step for quieter late night snacks or early mornings.
1.1 Cu. Ft. Capacity
Easily heat dishes of various sizes. From a variety of mixing bowls to 7" x 11" casserole dishes, the 1.1 Cu. Ft. Capacity provides plenty of space to make heating easier whether it's for yourself or for a crowd.
1000 Watts
Get quick cooking with 1000-Watts of cooking power
Why Buy Whirlpool WMCS4321TB/WMCS4321TW/WMCS4321TZ 1.1 cu. ft. Countertop Microwave with Sensor Cooking
- 1000 Watts of Cooking Power: Delivers fast, efficient heating for everyday meals, snacks, and beverages.
- 1.1 Cu. Ft. Capacity: Fits most plates, bowls, and casserole dishes while still compact enough for countertops.
- Sensor Cooking Technology: Automatically adjusts time and power based on humidity to help prevent overcooking.
- 5 Auto Cooking Modes: Simplifies cooking with preset options for popcorn, defrosting, reheating, melting, and more.
- 10 Power Levels: Provides precise control for a wide range of cooking needs.
- CleanRelease® Non-Stick Interior: Helps prevent food splatter from sticking, making cleanup quick and easy.
- Dishwasher-Safe Turntable: 12-inch turntable can be removed and cleaned easily in the dishwasher.
- Steam Clean Function: Uses steam to loosen stuck-on food for effortless wiping.
- Keep Warm Setting: Keeps dishes at serving temperature for up to 1 hour.
- Modern Glass Door Design: Sleek, stylish appearance that complements modern kitchens.
- Mute Function: Disables beeping sounds for quieter operation, ideal for night use.
- Quick Express Buttons: One-touch cooking for faster operation without manual time entry.
Frequently Asked Questions
Q: What type of appliance is the Whirlpool WMCS4321T?
A: It is a countertop microwave oven designed for reheating, cooking, and defrosting food in residential kitchens.
Q: What is the capacity of the WMCS4321T?
A: It has approximately 1.1 cubic feet of interior capacity, suitable for standard dinner plates and medium-sized cookware.
Q: How much cooking power does this microwave have?
A: It delivers around 1000 watts of cooking power, allowing for fast and even heating.
Q: Does the WMCS4321T include sensor cooking?
A: Yes. It includes sensor cooking technology that automatically adjusts time and power based on food moisture levels.
Q: How many power levels does it have?
A: It includes 10 power levels for flexible cooking control.
Q: Does it have preset cooking options?
A: Yes. It includes auto-cook or one-touch presets for common foods like popcorn, reheating, and defrosting.
Q: Does this microwave include convection or air fry features?
A: No. It is a standard countertop microwave and does not include convection cooking or air fry functionality.
Q: Does the WMCS4321T have a turntable?
A: Yes. It includes a rotating glass turntable to help ensure even heating of food.
Q: Is there an interior light?
A: Yes. The microwave has an interior light that turns on during operation so you can monitor food while cooking.
Q: What type of control panel does it use?
A: It uses a digital control panel with buttons for cooking modes, time entry, and preset functions.
Q: Does it have a child lock feature?
A: Yes. It includes a control lock function to prevent unintended use.
Q: How do I clean the WMCS4321T microwave?
A: Clean the interior with a soft cloth and mild detergent or a microwave-safe cleaning solution. The turntable can be removed and washed separately.
Pros and Cons of Whirlpool WMCS4321TB/WMCS4321TW/WMCS4321TZ 1.1 cu. ft. Countertop Microwave with Sensor Cooking
Pros
- Sensor Cooking Technology: Automatically adjusts time and power based on steam/humidity to help prevent overcooking.
- 1.1 Cu. Ft. Capacity: Fits most dinner plates, bowls, and casserole dishes while still being compact enough for countertops.
- 1000 Watts of Power: Provides fast and efficient heating for everyday meals and reheating.
- 5 Auto Cooking Modes: One-touch presets for popcorn, defrosting, reheating, and more simplify daily use.
- CleanRelease® Non-Stick Interior: Helps prevent food from sticking, making wipe-down cleaning quick and easy.
- Dishwasher-Safe Turntable: 12-inch turntable can be removed for easy cleaning.
- 10 Power Levels: Offers better control for different cooking needs and food types.
- Convenient Extras: Includes keep-warm mode, mute function, express buttons, and steam clean for added usability.
Cons
- Basic Build Level: No convection or advanced cooking modes beyond sensor-based presets.
- Countertop Space Required: Not built-in, so it takes up usable counter space.
- Average Interior Fit: While 1.1 cu. ft. is versatile, larger platters or oversized dishes may be tight depending on shape.
- No Smart/Wi-Fi Features: Lacks app control or remote monitoring found in higher-end microwaves.
- Standard Durability Expectations: Like most countertop microwaves, long-term reliability depends heavily on usage patterns (no extended heavy-duty design features).
Conclusion
The Whirlpool WMCS4321T is a strong everyday countertop microwave for users who want fast, reliable heating with smart sensor cooking and easy cleanup. It stands out for its balanced size, 1000W power, and helpful auto-cook presets, making it ideal for families, apartments, or general kitchen use. While it doesn’t offer advanced smart features or premium build enhancements, it delivers solid performance, convenience, and value for routine cooking and reheating needs.
Whirlpool WMCS4321TZ Specifications
| Width | |
| Exterior Width | 21" |
| Width | 21" |
| Depth | |
| Depth | 16 7/8" |
| Height | |
| Height | 11 1/8" |
Whirlpool WMCS4321TZ Overview
Whirlpool 1.1 cu. ft. Countertop Microwave with Sensor Cooking
Give your meal the exact heat it deserves. Help prevent overcooking with Sensor Cooking technology. Keep heating hassle free with 5 Auto Cooking Modes, all while CleanRelease® Non-Stick Interior helps prevent spills from sticking. Plus, the Dishwasher-Safe Turntable allows for easy clean-up.
- Sensor Cooking
- 5 Auto Cooking Modes
- CleanRelease® Non-Stick Interior
- Electronic touch controls
- Dishwasher-Safe Turntable Plate
- Popcorn Preset
- Keep Warm
- Dark Interior
- Steam Clean
- 10 Power Levels
- 2 Steps To Open The Microwave
Glass Door
Upgrade your kitchen with the Glass Door microwave. The streamlined design is easy to clean and adds a modern touch to your kitchen.
Melt/Soften
Melt or Soften without the guesswork thanks to sensors that automatically monitor cooking for you, so you can easily melt ingredients like chocolate, butter, and more while taking on other tasks.
3 Express Buttons
Get cooking quickly and efficiently without the need to type in a time with 3 Express Buttons.
Mute Function
Use the Mute Function to easily turn microwave selection sounds on and off with a simple step for quieter late night snacks or early mornings.
1.1 Cu. Ft. Capacity
Easily heat dishes of various sizes. From a variety of mixing bowls to 7" x 11" casserole dishes, the 1.1 Cu. Ft. Capacity provides plenty of space to make heating easier whether it's for yourself or for a crowd.
1000 Watts
Get quick cooking with 1000-Watts of cooking power
Why Buy Whirlpool WMCS4321TB/WMCS4321TW/WMCS4321TZ 1.1 cu. ft. Countertop Microwave with Sensor Cooking
- 1000 Watts of Cooking Power: Delivers fast, efficient heating for everyday meals, snacks, and beverages.
- 1.1 Cu. Ft. Capacity: Fits most plates, bowls, and casserole dishes while still compact enough for countertops.
- Sensor Cooking Technology: Automatically adjusts time and power based on humidity to help prevent overcooking.
- 5 Auto Cooking Modes: Simplifies cooking with preset options for popcorn, defrosting, reheating, melting, and more.
- 10 Power Levels: Provides precise control for a wide range of cooking needs.
- CleanRelease® Non-Stick Interior: Helps prevent food splatter from sticking, making cleanup quick and easy.
- Dishwasher-Safe Turntable: 12-inch turntable can be removed and cleaned easily in the dishwasher.
- Steam Clean Function: Uses steam to loosen stuck-on food for effortless wiping.
- Keep Warm Setting: Keeps dishes at serving temperature for up to 1 hour.
- Modern Glass Door Design: Sleek, stylish appearance that complements modern kitchens.
- Mute Function: Disables beeping sounds for quieter operation, ideal for night use.
- Quick Express Buttons: One-touch cooking for faster operation without manual time entry.
Frequently Asked Questions
Q: What type of appliance is the Whirlpool WMCS4321T?
A: It is a countertop microwave oven designed for reheating, cooking, and defrosting food in residential kitchens.
Q: What is the capacity of the WMCS4321T?
A: It has approximately 1.1 cubic feet of interior capacity, suitable for standard dinner plates and medium-sized cookware.
Q: How much cooking power does this microwave have?
A: It delivers around 1000 watts of cooking power, allowing for fast and even heating.
Q: Does the WMCS4321T include sensor cooking?
A: Yes. It includes sensor cooking technology that automatically adjusts time and power based on food moisture levels.
Q: How many power levels does it have?
A: It includes 10 power levels for flexible cooking control.
Q: Does it have preset cooking options?
A: Yes. It includes auto-cook or one-touch presets for common foods like popcorn, reheating, and defrosting.
Q: Does this microwave include convection or air fry features?
A: No. It is a standard countertop microwave and does not include convection cooking or air fry functionality.
Q: Does the WMCS4321T have a turntable?
A: Yes. It includes a rotating glass turntable to help ensure even heating of food.
Q: Is there an interior light?
A: Yes. The microwave has an interior light that turns on during operation so you can monitor food while cooking.
Q: What type of control panel does it use?
A: It uses a digital control panel with buttons for cooking modes, time entry, and preset functions.
Q: Does it have a child lock feature?
A: Yes. It includes a control lock function to prevent unintended use.
Q: How do I clean the WMCS4321T microwave?
A: Clean the interior with a soft cloth and mild detergent or a microwave-safe cleaning solution. The turntable can be removed and washed separately.
Pros and Cons of Whirlpool WMCS4321TB/WMCS4321TW/WMCS4321TZ 1.1 cu. ft. Countertop Microwave with Sensor Cooking
Pros
- Sensor Cooking Technology: Automatically adjusts time and power based on steam/humidity to help prevent overcooking.
- 1.1 Cu. Ft. Capacity: Fits most dinner plates, bowls, and casserole dishes while still being compact enough for countertops.
- 1000 Watts of Power: Provides fast and efficient heating for everyday meals and reheating.
- 5 Auto Cooking Modes: One-touch presets for popcorn, defrosting, reheating, and more simplify daily use.
- CleanRelease® Non-Stick Interior: Helps prevent food from sticking, making wipe-down cleaning quick and easy.
- Dishwasher-Safe Turntable: 12-inch turntable can be removed for easy cleaning.
- 10 Power Levels: Offers better control for different cooking needs and food types.
- Convenient Extras: Includes keep-warm mode, mute function, express buttons, and steam clean for added usability.
Cons
- Basic Build Level: No convection or advanced cooking modes beyond sensor-based presets.
- Countertop Space Required: Not built-in, so it takes up usable counter space.
- Average Interior Fit: While 1.1 cu. ft. is versatile, larger platters or oversized dishes may be tight depending on shape.
- No Smart/Wi-Fi Features: Lacks app control or remote monitoring found in higher-end microwaves.
- Standard Durability Expectations: Like most countertop microwaves, long-term reliability depends heavily on usage patterns (no extended heavy-duty design features).
Conclusion
The Whirlpool WMCS4321T is a strong everyday countertop microwave for users who want fast, reliable heating with smart sensor cooking and easy cleanup. It stands out for its balanced size, 1000W power, and helpful auto-cook presets, making it ideal for families, apartments, or general kitchen use. While it doesn’t offer advanced smart features or premium build enhancements, it delivers solid performance, convenience, and value for routine cooking and reheating needs.
Whirlpool WMCS4321TZ Specifications
| Width | |
| Exterior Width | 21" |
| Width | 21" |
| Depth | |
| Depth | 16 7/8" |
| Height | |
| Height | 11 1/8" |
Whirlpool WMCS4321TZ Warranty & Returns
Warranty Information
1 Year Parts and Labor
Return Policy
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
Whirlpool WMCS4321TZ Why Us
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Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
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We offer free in-home delivery to most serviceable zip codes for orders over $799.
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Free Standard Installation
Free 1 Year Extended Warranty
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If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.