General

Model

K55
Optimal Brew
Dual Brew

Manufacturer

Keurig
Mr. Coffee
BELLA

Amazon rating

3.9
3.8
3.6

Customer reviews on Amazon

7632
3221
316

Basic Info

Release

2015
2014
2015

Type

Single cup brewers
Thermal Coffeemaker 
Coffee Maker

Manufacturer Warranty Period

1Year
2Year

Features

Capacity

15Cup
10Cup
1Cup

Auto-off

Water Tank

Adjustable Cup Height

4
4

Water Tank Capacity

60oz
12oz

Drip Tray

Water Level Indicator

Milk Frothing System

Drink Strength Control

Bean To Cup

Coffee Type

Pods

Ground coffee

Dimensions

Product size

9.8 x 13.3 x 13 inches
14.1 x 11 x 9 inches
8.2 x 6.9 x 11.9 inches

Product weight

12 pounds
5.1 pounds
3 pounds

Power

Batteries Included

Batteries Require

Specifications

Strength control

Temperature control

High altitude setting

Digital clock

Energy saver mode

What Can I Make

Cappucino

Espresso

Latte