Keurig K-Supreme Plus Review

The Keurig K-Supreme Plus is one of the most feature-packed single-serve brewers in the Keurig lineup. It promises more control over your cup than ever before, with adjustable strength, temperature, and an iced coffee setting. But does it deliver on those promises in daily use? Our editorial team compared specifications, buyer feedback, and key decision factors to give you an honest review.

Design and Build Quality

The K-Supreme Plus has a modern, compact footprint that fits easily under standard cabinets. It measures about 12.5 inches tall, so it works in most kitchens. The body is mostly plastic, which keeps the weight down but may feel less premium than metal alternatives. The 78-ounce water reservoir is removable, making it easy to fill and clean. The touchscreen interface is intuitive, with a digital clock that is a nice touch for a kitchen appliance.

One notable design feature is the handle that flips up to insert a K-Cup. It feels sturdy and closes with a satisfying click. The drip tray is adjustable, so you can fit taller mugs or travel tumblers. Overall, the build is functional and user-friendly, though not luxurious.

Performance and Brew Quality

In real-world use, the K-Supreme Plus delivers consistent results. The five strength settings are a standout. The "extra bold" option produces a noticeably stronger cup, which is great for dark roast lovers. The "water +" setting adds a splash of hot water to lighten the flavor, similar to an Americano. Temperature control lets you choose between 187°F, 189°F, and 192°F, which can affect extraction and mouthfeel.

The iced coffee setting is a game changer. It brews a concentrated shot that is meant to be poured over ice, so you don't end up with a watery drink. Buyers report that this works well with both regular and flavored K-Cups. Brew times are typical for a Keurig, around one minute per cup. The 78-ounce tank means you can brew multiple cups before refilling, which is convenient for small offices or busy mornings.

Ease of Use

Setting up the K-Supreme Plus is straightforward. The touchscreen guides you through initial setup, including language selection and water hardness. Daily use is simple: open the handle, insert a pod, close, choose your settings, and press brew. The interface is responsive and easy to read, even in low light.

The removable water reservoir is a big plus. You can take it to the sink, fill it, and snap it back without any hassle. The drip tray is also dishwasher safe, which simplifies cleanup. The machine remembers your last brew settings, so if you always use strong brew at 192°F, it will default to that.

Cleaning and Maintenance

Keeping the K-Supreme Plus clean is manageable but requires some attention. The exterior can be wiped with a damp cloth. The drip tray and K-Cup holder are removable and dishwasher safe. The water reservoir should be washed periodically with mild soap.

Descaling is more involved than on some rivals. You have to enter descaling mode, add a descaling solution, and run several cycles. The process takes about 20 minutes, but it is essential to maintain performance. Keurig recommends descaling every 3 to 6 months, depending on water hardness. Some users find the process tedious, but it is not difficult.

Common Buyer Complaints

While most feedback is positive, some complaints appear frequently. A few users mention that the plastic body feels less durable than expected, though it holds up well with proper care. Others wish the machine had a built-in milk frother, but that is not a standard feature at this price point.

Another occasional issue is that the touchscreen can be slow to respond if wet. Also, the machine does not have a reusable filter basket, so you are locked into K-Cup pods unless you buy a separate reusable pod. Finally, some users report that the descaling process is longer than they would like, but that is a minor inconvenience.

Comparison with Alternatives

Compared to the Keurig K-Elite, the K-Supreme Plus offers more strength settings and a larger water reservoir. The K-Elite has a stronger brew option and a hot water dispenser, but it lacks the iced setting and temperature control. If you drink a lot of iced coffee, the K-Supreme Plus is a better choice.

The Keurig K-Cafe adds a built-in milk frother and a shot button for lattes, but it has a smaller water tank and fewer strength options. If you love milk-based drinks, the K-Cafe might be worth the extra cost, but for plain coffee, the K-Supreme Plus is more versatile.

The Ninja Specialty Coffee Maker offers both single-serve and full-carafe brewing, plus a fold-away frother. It is a strong competitor if you need a pot of coffee for guests, but it takes up more counter space and uses a different pod system. For pure K-Cup convenience, the Keurig remains easier.

Value and Final Verdict

The K-Supreme Plus sits at a mid-to-high price point for a Keurig. It justifies that price with features that genuinely enhance the coffee experience. The strength and temperature controls are not gimmicks; they produce noticeable differences. The iced setting is a practical bonus for warm months.

If you are a single-serve coffee drinker who likes to experiment with different roasts and want a machine that can handle both hot and iced coffee, the K-Supreme Plus is a reliable investment. It is not the cheapest option, but the added control and larger tank make it a strong value for many households.

Who Should Buy It?

This machine is ideal for individuals or small households that drink multiple cups a day and want variety. It is also great for offices or break rooms where different people have different preferences. If you are a purist who prefers freshly ground beans, you might be better served by a drip machine or an espresso maker. But for K-Cup convenience with a customizable touch, the K-Supreme Plus is a top contender.

Frequently Asked Questions

Does the K-Supreme Plus use regular K-Cups?

Yes, it works with all standard K-Cup pods, including those from Keurig and third-party brands. It also accepts the My K-Cup reusable filter, though you have to buy that separately.

Can I brew a travel mug size?

Yes, the machine offers a 12-ounce brew size, which fits most travel mugs. The drip tray can be removed to accommodate taller cups.

Is the water reservoir really 78 ounces?

Yes, the removable reservoir holds 78 ounces, which is about 6 to 8 cups depending on size. That is larger than many Keurig models, reducing refill frequency.

Does it have a timer or auto-off?

The machine has an auto-off feature that you can set to turn off after 2 hours of inactivity. It also has a programmable clock, but it does not have a brew timer for scheduling a cup in the morning.

How noisy is it during brewing?

Like most Keurig machines, it makes a moderate humming and pumping sound during brewing. It is not silent but is not overly loud either. Most users find it acceptable.