Keurig K-Slim review
Experience the convenience of the Keurig K-Slim, a compact coffee maker perfect for small spaces. Enjoy quick, satisfying brews with its sleek design and user-friendly features.
check best priceSummary / TL;DR
The Keurig K-Slim is a compact, single-serve coffee maker designed for those with limited counter space, offering convenience and simplicity. Its sleek design and user-friendly operation make it a popular choice for small kitchens or office spaces. While lacking advanced features like temperature control or a milk frother, it provides essential functionality with three cup sizes—8, 10, and 12 ounces—using standard K-Cup technology. The machine's 46-ounce water reservoir supports multiple brews before refilling, and the energy-efficient auto-off function adds convenience.
Despite its minimalist approach, the K-Slim maintains consistent brewing performance, though it may not satisfy those seeking robust flavor profiles. It’s compatible with a wide range of K-Cup pods, offering versatility in coffee choices. Maintenance is straightforward, with easily removable parts for cleaning, although the lack of dishwasher-safe components might be inconvenient for some.
In comparison to competitors, the K-Slim balances size, ease of use, and a decent water reservoir, making it a practical option for those prioritizing a no-fuss coffee experience. Overall, it’s a reliable choice for everyday coffee drinkers looking for efficiency without sacrificing quality.
If you like this review, you might also like our review on the Keurig K-Duo Plus or Keurig K-Supreme or Keurig K-Express.
Where to buy
Best offers of the Keurig K-Slim at Amazon.com
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Introduction
The coffee game has been revolutionized by single-serve brewers, and the Keurig K-Slim is a popular choice for coffee enthusiasts who value convenience and efficiency. This compact machine is designed to fit seamlessly into small spaces without compromising on performance. Perfect for those who live in apartments or have limited counter space, the K-Slim promises to deliver a quick cup of coffee with minimal fuss.
However, as with any product, it's not all sunshine and rainbows. While the K-Slim offers a sleek design and user-friendly operation, some people might find the lack of advanced features a bit limiting. But for those who prioritize simplicity and speed, this could be the perfect addition to their kitchen.
Throughout this review, we'll delve into the design, functionality, and overall performance of the K-Slim, giving you a comprehensive look at what this machine has to offer. Whether you're a seasoned coffee lover or someone just starting out, understanding the ins and outs of this brewer can help you decide if it's the right fit for your caffeine needs.
Design and Build Quality
The design and build quality of the Keurig K-Slim is something that immediately catches your eye. With a sleek, compact form, it fits perfectly in tight spaces, making it an ideal choice for small kitchens or office spaces. This machine is just 4.76 inches wide, allowing it to sit comfortably on your countertop without hogging all the space.
The exterior is crafted from durable plastic, which feels sturdy enough for daily use. Though it's not the most luxurious material, it certainly does the job and keeps the price affordable. The matte finish gives it a modern look, while the minimalist design ensures it blends seamlessly with any kitchen decor.
One of the standout aspects is the intuitive control panel. The buttons are clearly labeled and easy to press, which makes navigating through options a breeze. This simplicity is a big plus for those who might not be tech-savvy or prefer a straightforward brewing experience.
However, the water reservoir, while adequate for its size, could be a bit larger. It holds 46 ounces, which is decent but might require more frequent refills if you’re an avid coffee drinker. The removable drip tray is a thoughtful touch, allowing for easy cleaning and the accommodation of travel mugs.
Overall, the build quality of this machine is quite strong for its class, but it's important to handle it with care to ensure longevity. While it may not boast high-end materials, its design focuses on practicality and ease of use, making it a solid choice for many coffee enthusiasts.

Features and Functionality
The features and functionality of the Keurig K-Slim are designed with simplicity and convenience in mind. This single-serve coffee maker offers three cup sizes: 8, 10, and 12 ounces, allowing you to customize your coffee experience to match your mood or caffeine needs. However, the K-Slim does not feature MultiStream Technology; this technology is associated with other Keurig models like the K-Supreme series. Instead, it uses standard K-cup technology for brewing.
The K-Slim is equipped with a 46-ounce water reservoir that lets you brew up to four cups before needing a refill. This is a great feature for those who enjoy multiple cups throughout the day or share the machine with family or colleagues. The removable reservoir also makes refilling and cleaning a breeze.
One notable feature is the energy-efficient auto-off function, which turns off the machine after a period of inactivity. This not only helps save energy but also provides peace of mind for those who tend to forget to power down their appliances. However, it would be nice if the machine had a programmable timer for those who like their coffee ready as soon as they wake up.
The K-Slim is compatible with the My K-Cup Universal Reusable Coffee Filter, allowing you to use your own ground coffee. This adds a layer of versatility and eco-friendliness by reducing the reliance on disposable pods. For those concerned about the environmental impact, this is a definite plus.
Another handy feature is the simple button controls. With just a few presses, you can select your preferred cup size and start brewing. While the interface is intuitive, it may lack some of the advanced options found in more expensive models, such as strength control or a digital display.
Overall, the Keurig K-Slim offers a good mix of essential features wrapped in a compact design, making it a solid choice for coffee lovers who value convenience and efficiency.

Brewing Performance
The brewing performance of the Keurig K-Slim is quite impressive for a machine of its size. It offers a range of cup sizes—8, 10, and 12 ounces—catering to different caffeine needs. The machine's MultiStream Technology ensures better saturation, and its quick start-up time allows you to get your cup of coffee in a matter of minutes, which is perfect for those busy mornings.
One of the standout aspects is its ability to maintain a consistent flavor. The coffee is neither too strong nor too weak, making it a reliable choice for everyday use. If you prefer a bold cup, you might find it lacks a bit of punch compared to other models that offer a strong brew option. However, for the average coffee drinker, it delivers a satisfying experience.
The Keurig K-Slim also handles different pod brands quite well, offering flexibility in your coffee choices. It's compatible with a wide range of K-Cup pods, allowing you to experiment with various flavors and blends. However, it doesn't support reusable coffee filters, which might be a slight drawback for those who prefer using their own ground coffee to reduce waste.
Temperature consistency is another area where this machine performs decently. It consistently hits a temperature of around 158°F, which is sufficient for most users. If you're someone who enjoys piping hot coffee, you might need to preheat your cup to maintain the desired warmth.
Overall, the brewing performance of the Keurig K-Slim is solid. It's fast, consistent, and versatile, making it a great choice for those who want a straightforward coffee-making experience without too many complexities.
Ease of Use
The Keurig K-Slim is a breeze to use, even for those who are not morning people. Its straightforward design and intuitive interface make brewing a cup of coffee as simple as pressing a button. The machine features a single-touch operation, which means you can have your coffee ready without fumbling through complex settings or multiple buttons.
One of the most user-friendly aspects is the removable water reservoir. It holds 46 ounces of water, enough for multiple cups, minimizing the need for frequent refills. Just slide it out, fill it up, and you're good to go. The reservoir is also clear, so you can easily check the water level at a glance.
Another feature that enhances ease of use is the auto-off function. This handy feature turns the machine off after two minutes of inactivity, saving energy and giving you one less thing to worry about. It's a small touch, but it makes a big difference in daily use.
However, the lack of a strength control setting could be a downside for those who prefer to tweak their coffee's intensity. If you're someone who enjoys customizing your brew strength, you might find this feature missing. That said, the Keurig K-Slim still offers three cup sizes to choose from—8 oz, 10 oz, and 12 oz—which provides some level of customization.
Cleaning the machine is also quite straightforward, thanks to the removable drip tray. It catches any spills and can be easily detached for a quick rinse. This means your counter stays clean, and the machine remains in tip-top shape with minimal effort.
In summary, the Keurig K-Slim's ease of use is one of its standout attributes. With its simple operation, thoughtful features, and low-maintenance design, it’s a solid choice for anyone looking for convenience in their coffee routine. Just set it up, press a button, and enjoy your coffee without a second thought.

What's in the Box
When you crack open the box of the Keurig K-Slim, you'll find everything you need to start brewing right away. Let's take a closer look at what's included:
- The K-Slim Brewer: The star of the show, this sleek and compact machine is designed to fit seamlessly into even the tightest kitchen spaces. Its minimalist design is matched with functionality, making it a great addition to any countertop.
- Removable Drip Tray: This handy feature is included to catch any spills or drips during the brewing process. It's easy to slide out and clean, ensuring your coffee station stays tidy.
- Water Reservoir: With a capacity of 46 ounces, the water reservoir is large enough for multiple brews in succession without constant refilling. It's removable, which simplifies refilling and cleaning.
- Quick Start Guide: Even if you're new to single-serve coffee makers, the guide will have you brewing in no time. It's straightforward and easy to follow.
While the K-Slim comes with these essentials, it doesn't include any K-Cup pods to get you started. You'll need to purchase your own selection of pods separately, which can be a bit of a bummer if you're eager to try it out immediately. However, this gives you the freedom to choose your favorite flavors or brands to test with your new machine.
Maintenance and Cleaning
Keeping your coffee maker in top shape means regular maintenance and cleaning, and the Keurig K-Slim makes this pretty straightforward. With a bit of routine care, your machine will continue to brew delicious coffee without a hitch.
Daily Cleaning
After each use, it's a good idea to quickly rinse the drip tray and water reservoir. These parts can be removed easily, making them simple to clean under the tap. Just be sure to dry them thoroughly before placing them back to avoid any mold or bacteria build-up.
Descaling
Descaling your Keurig K-Slim should be done every three months or when the descale light starts flashing. To do this, use a descaling solution according to its instructions. Typically, you pour the solution into the water reservoir, fill it with water, and run it through the machine. After descaling, rinse the machine with several cycles of fresh water until the "Add Water" light comes on.
Filter Maintenance
If your model includes a water filter, remember to replace it every couple of months. This ensures that your coffee tastes fresh and prevents any impurities from affecting the flavor.
Common Oversights
One minor downside is that the machine doesn't alert you when it needs descaling unless the descale light is flashing, so you’ll need to keep track yourself. Also, while the removable parts are easy to clean, they are not dishwasher safe, which might be a bit of a hassle for some users.
In sum, with just a little regular care, your Keurig K-Slim will keep running smoothly, delivering that morning cup of joe you crave. Regular cleaning not only extends the life of your machine but also ensures every cup tastes as good as the first.

Competitor Comparison
Comparison with the Keurig K-Mini
The Keurig K-Mini is another compact coffee maker that's popular for its small footprint. Both machines are designed for tight spaces, but the K-Slim offers a larger water reservoir, allowing for multiple brews without refilling. However, the K-Mini is often a bit cheaper, which might appeal to budget-conscious buyers.Comparison with the Nespresso Essenza Mini
The Nespresso Essenza Mini is another contender in the compact coffee maker category. While the K-Slim uses a wide range of K-Cup pods, the Essenza Mini focuses on espresso-based drinks. This makes the Essenza Mini a better choice for those who prefer a more concentrated coffee experience. On the flip side, the K-Slim's versatility with pod options might be more appealing to those who enjoy variety.Comparison with the Hamilton Beach FlexBrew Single Serve
The Hamilton Beach FlexBrew stands out with its ability to use both ground coffee and K-Cups. This provides a certain flexibility that the K-Slim lacks. However, the FlexBrew is bulkier and tends to take up more counter space. So, if space is at a premium, the K-Slim might still be the better pick.Overall Market Position
Overall, the Keurig K-Slim holds its own by balancing size, ease of use, and a decent water reservoir, making it a solid choice for those looking for a no-fuss, single-serve coffee maker. While it doesn't offer the ground coffee option like some competitors, its compatibility with a variety of K-Cup flavors keeps it competitive. Each of these machines has its pros and cons, but the Keurig K-Slim remains a strong contender for anyone seeking a balance between convenience and performance in a compact form.Conclusion
The brewing performance is solid, providing a satisfying cup of coffee with consistent quality. The option to choose different cup sizes—8 oz, 10 oz, and 12 oz—adds a touch of versatility, making it suitable for both quick morning brews and leisurely afternoon coffees.
While the K-Slim excels in many areas, there are a few things to keep in mind. It doesn't offer advanced features like temperature control or a milk frother, which might be a downside for those who enjoy a more customizable coffee experience. Additionally, the water reservoir, which holds 46 ounces, might require frequent refills if you're brewing multiple cups a day.
Overall, the Keurig K-Slim is a reliable choice for anyone looking for a straightforward, easy-to-use coffee maker. Its simplicity and efficiency make it a worthwhile investment, especially if counter space is at a premium. While it might not cater to every coffee enthusiast's needs, it certainly covers the essentials with style and ease.
Final Thoughts
In wrapping up our thoughts on the Keurig K-Slim, it's evident that this machine caters to those who value convenience and a sleek design. It fits snugly on countertops, making it a great choice for anyone dealing with limited space. The K-Slim offers a straightforward brewing experience, ideal for those who prefer their coffee without the fuss.
The brewing performance is satisfactory for everyday coffee drinkers, offering a decent range of cup sizes—8, 10, and 12 oz. However, if you're a coffee connoisseur seeking a more robust flavor profile, you might find it lacking in depth compared to other high-end models. The absence of more advanced features like temperature control or a milk frother could be a deal-breaker for some, but for many, the simplicity is a welcome feature.
Where the K-Slim shines is in its ease of use and maintenance. From the straightforward setup to the minimal cleaning requirements, it offers a hassle-free experience. It's perfect for busy mornings when you just need your caffeine fix without any hiccups.
To sum it up, the Keurig K-Slim is a solid pick for those who prioritize a quick, no-fuss coffee fix in a compact package. While it might not cater to the more discerning coffee lovers out there, it does what it promises: deliver a decent cup of coffee with minimal effort. If these align with your needs, then the K-Slim might just become your morning companion.
Pros & cons
Pros
- Compact and space-saving design
- Easy to use with simple controls
- Multiple cup size options
- Energy-efficient auto-off feature
- Compatible with reusable filter
Cons
- Lacks advanced brewing features
- Small water reservoir capacity
- No strength control setting
- Not dishwasher safe
Frequently Asked Questions
The Keurig K-Slim offers three brew sizes: 8 ounces, 10 ounces, and 12 ounces, allowing you to customize your coffee strength and volume to your preference. The 8-ounce setting is ideal for a stronger, bolder cup of coffee.
The Keurig K-Slim features a removable water reservoir with a capacity of 46 ounces, which lets you brew up to four cups before needing to refill, making it convenient for multiple servings.
Yes, the Keurig K-Slim is compatible with all standard K-Cup pods, giving you access to a wide variety of coffee, tea, and hot chocolate options from over 75 brands.
Yes, the Keurig K-Slim automatically shuts off after five minutes of inactivity to save energy, making it an efficient and safe choice for your kitchen.
Yes, the Keurig K-Slim supports reusable K-Cup pods, allowing you to brew your own ground coffee. Just ensure the reusable pod fits properly to avoid leaks or brewing issues.
To clean the Keurig K-Slim, wipe the exterior with a damp, non-abrasive cloth and regularly descale using a vinegar and water solution (typically 1:1 ratio). Avoid using distilled water; instead, use filtered or bottled water to maintain optimal taste and machine health.
The Keurig K-Slim operates at approximately 1470 watts, which is typical for single-serve coffee makers and ensures quick heating and brewing.
The Keurig K-Slim is one of the quietest Keurig models available, making it suitable for office desks or quiet environments without disturbing others.
The Keurig K-Slim has a compact design with a removable drip tray to accommodate taller cups or travel mugs, but check your mug’s height to ensure it fits comfortably.
The Keurig K-Slim is less than 5 inches wide, making it a slim and space-saving appliance that fits neatly on most countertops, ideal for small kitchens or limited spaces.
Important
Before buying any product, check all details of this product on the website or in the store where you purchase it. Aspects and specifications mentioned in the text above might differ.
Where to buy
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