Sharp SMD2440JS Microwave Drawer Oven: The Future of Kitchen Convenience

Update on July 26, 2025, 1:49 p.m.

It began, as many great innovations do, with an accident. In 1945, a Raytheon engineer named Percy Spencer was working on radar technology when he noticed a chocolate bar in his pocket had melted. The culprit was the magnetron he was testing, a device that generated microwaves. This serendipitous moment gave birth to the “Radarange,” the world’s first microwave oven. It was a marvel of technology, standing nearly six feet tall and weighing over 750 pounds—a powerful, utilitarian giant. For decades, its descendants, though smaller, retained this essential character: they were boxes. Boxes that sat on our counters, consuming valuable space, or hovered awkwardly over our stoves, disrupting the clean lines of a well-designed kitchen.

The story of the modern kitchen is a story of integration and flow. From pioneers like Margarete Schütte-Lihotzky, whose 1926 “Frankfurt Kitchen” was a masterclass in rational, built-in design, to the enduring concept of the “Kitchen Work Triangle,” the goal has always been to create a seamless, efficient, and pleasant workspace. Yet, for years, the microwave remained an intruder, an afterthought forced into this carefully orchestrated system. Its placement presented a classic ergonomic pitfall: too high, and you risk spilling hot soup while reaching up; too low or deep on a counter, and you’re bending awkwardly. The SHARP SMD2440JS 24 in. 1.2 cu. ft. Built-In Stainless Steel Microwave Drawer Oven is not just another appliance; it is the elegant, definitive answer to this long-standing design problem. It represents the final step in the microwave’s evolution—from a standalone box to a fully integrated piece of kitchen architecture.
  Sharp SMD2440JS Microwave Drawer Oven

A New Axis of Convenience: The Drawer Revolution

The genius of the microwave drawer lies in its fundamental reorientation. By shifting the access from a swinging door on a vertical plane to a gliding drawer on a horizontal one, it revolutionizes the user’s interaction with the appliance. This isn’t merely a stylistic choice; it’s a profound application of Universal Design, the principle that environments should be usable by all people, to the greatest extent possible, without the need for adaptation.

Installed below a countertop, the SMD2440JS drawer sits at a natural waist height. This allows anyone—regardless of height, age, or mobility—to easily place and retrieve dishes. The motion is a stable, vertical lift, minimizing the strain on the back and shoulders and dramatically reducing the risk of spills. Sharp elevates this inherent ergonomic advantage with its Easy Touch Automatic Drawer system. A gentle push or touch activates a motor that glides the drawer open and closed with a smooth, controlled motion. This is physics in service of grace; by eliminating the sudden jerks of manual operation, it ensures that even a full bowl of liquid remains placid.
  Sharp SMD2440JS Microwave Drawer Oven

The Engineering of Invisibility: Mastering Heat and Space

To create a truly seamless kitchen, appliances must disappear into the cabinetry. For a heat-generating device like a microwave, this presents a significant engineering challenge governed by the laws of thermodynamics. The 950-watt magnetron at the heart of the SMD2440JS produces substantial heat that must be dissipated. Simply boxing it into a tight cabinet without ventilation would be a recipe for overheating and failure.

This is where the Built-In Airflow Control demonstrates its brilliance. It is a purpose-built ventilation system, an internal network of channels that creates a continuous convection current. It actively draws cool air into the chassis and expels warm air through discreetly placed vents. This intelligent thermal management is what allows the SMD2440JS to be installed perfectly flush with its surrounding cabinetry, achieving the clean, monolithic look of high-end kitchen design without compromising an inch of safety or long-term reliability. The appliance, in essence, is given the ability to breathe within its confined space.
  Sharp SMD2440JS Microwave Drawer Oven

An Intelligent Dialogue: The End of Guesswork

The core scientific principle of microwave cooking is dielectric heating, where microwaves cause polar molecules, primarily water, to vibrate rapidly and generate heat. For decades, we controlled this powerful process with a blunt instrument: a timer. It was a monologue; we told the oven how long to cook, and it obeyed, regardless of whether the food was frozen solid or nearly done.

The Sensor Cook technology in the SMD2440JS transforms this monologue into a dialogue. It works by employing a sophisticated humidity sensor within its 1.2 cubic foot, stainless steel interior. As the food heats up, the water inside it turns to steam, increasing the humidity in the cavity. The sensor continuously “listens” to this steam. Its microprocessor is programmed to recognize the humidity curves of different foods, understanding the precise moment when, for example, a baked potato is fluffy throughout or a dinner plate is perfectly reheated. When that moment is detected, it automatically adjusts the power and time. It’s a closed-loop system that replaces guesswork with data, ensuring consistent and optimal results every time.
  Sharp SMD2440JS Microwave Drawer Oven

The Final Polish: When Design Considers Everything

True excellence is found in the details, where design anticipates needs you didn’t even know you had. The SMD2440JS is filled with such considerations. The control panel is angled for easy viewing without stooping. The Control Lock feature is a fundamental tenet of modern human-computer interaction, a simple software safeguard to prevent accidental activation by curious children or during cleaning.

The Keep Warm function is a nod to practical food science, capable of holding dishes for up to 30 minutes at a temperature above the bacterial “danger zone” (typically held above 140°F or 60°C), ensuring meals are both safe and delicious, even if dinner is delayed. Even the choice of stainless steel for both the exterior and interior is deliberate—its non-porous surface is hygienic and easy to clean, while its timeless aesthetic ensures it harmonizes with any design scheme. As one verified owner, Patricia Roland, aptly put it, “It just add[s] a touch of class to our newly renovated kitchen.”

The journey of the microwave, from Percy Spencer’s colossal lab machine to the elegant intelligence of the Sharp SMD2440JS, is a powerful parable of technological evolution. It proves that the most sophisticated innovations are not those that add complexity, but those that remove friction, solve fundamental problems, and ultimately disappear into the graceful flow of our daily lives. This is no longer just an appliance; it is an integral part of a smarter, safer, and more beautiful kitchen.