KitchenAid K400

I switched from a Vitamix E310 to the KitchenAid K400 specifically because of noise. My Vitamix was so loud it woke my partner at 7am every morning. The K400 is noticeably quieter — it's still not silent, but I can have a conversation over it. The blending results are 90% as good as the Vitamix for my daily use: green smoothies, protein shakes, and the occasional soup. The color matching to my KitchenAid stand mixer is a bonus. Best kitchen upgrade of the year.

If your blending routine includes hard frozen items — solid açaí packs, large ice cubes, or dense nut butters — the K400 will frustrate you. It stalled twice in my first month and requires partially thawing hard ingredients. For soft frozen fruit and leafy greens it's excellent. At $230, I expected more power. The Breville Super Q costs more but handles everything without hesitation. The K400 is for light-to-moderate blending in a quiet kitchen.

Three years of daily morning smoothies and the K400 is still going strong. The only issue I've had is the container gasket loosening slightly in the last few months — easily replaced with a $8 part from KitchenAid. The motor has never hesitated on soft frozen fruit and spinach. The color is still vivid. It still looks brand new on my counter. For the price, the build quality is impressive. I'd buy it again without hesitation.