
Roborock
Roborock S8 Pro Ultra
The S8 Pro Ultra delivers Roborock's proven dual-brush system with 6000Pa suction and a self-washing dock, minus the camera-based obstacle avoidance.
Specifications
Features
Pros
- ✓Dual rubber brush system excels at picking up pet hair without tangles
- ✓Self-washing dock eliminates the grossest part of robot mop ownership
- ✓Sonic mopping vibrates at 3000rpm for surprisingly effective floor cleaning
- ✓Excellent multi-floor mapping — remembers up to 4 floors reliably
- ✓Consistently strong Amazon ratings with thousands of verified reviews
Cons
- ✗No camera means it can bump into small obstacles like shoes or cables
- ✗6000Pa suction struggles with heavier debris on thick carpet
- ✗Dock does not use hot water, so mop pads can develop odor over time
- ✗VibraRise mop lift is only about 5mm, not enough for high-pile carpet
Owner Insights(3,500 discussions)
The S8 Pro Ultra is one of the most discussed robot vacuums on Reddit, with thousands of owner reports building a very clear picture. It was the consensus "best overall" before the S8 MaxV Ultra launched, and many Redditors argue it's still the better value, especially at current sale prices under $900. The dual rubber brush system is consistently praised as the single best feature for pet owners.
Mopping gets mixed but generally positive reviews — the sonic mopping handles daily maintenance well, but don't expect it to replace a manual mop for serious cleaning. The self-washing dock eliminates the worst part of robot mopping (hand-rinsing pads), but the lack of hot water means you should clean the dock itself monthly to prevent odor. Vacuuming performance is strong on hard floors and low-to-medium carpet.
The main limitation discussed is the lack of obstacle avoidance. Without the camera, it bumps into everything — shoes, cables, pet bowls, kids' toys. Redditors consistently say that if you keep your floors reasonably clear, this is a non-issue. If you have a cluttered home with cables everywhere, consider stepping up to the MaxV version. For the typical home, the S8 Pro Ultra at its current price point remains one of the best values in the premium robot vacuum space.
Pros
- +Dual rubber brush system is genuinely the best for pet hair — zero tangling even with multiple pets
- +Self-washing dock is life-changing for people who hated hand-rinsing mop pads
- +Sonic mopping vibrates at 3000rpm and handles daily dirt surprisingly well
- +Roborock app reliability and feature set is consistently praised as industry best
- +Multi-floor mapping across 4 floors works perfectly for multi-story homes
- +Price has dropped significantly since launch — frequently found under $900 on sale
- +Battery life at 180 minutes comfortably covers 2000+ sq ft in one session
- +Thousands of verified reviews and years of proven reliability give confidence
Cons
- −No camera means it will run into small obstacles like shoes, cables, and pet bowls
- −6000Pa suction struggles with heavier debris embedded in thick carpet
- −Dock does not use hot water — mop pads develop musty smell after a few weeks
- −VibraRise mop lift is only 5mm — not enough for high-pile carpet
- −Sonic mop can't handle dried-on or sticky spills — still need manual mopping for those
- −Self-empty bags need periodic replacement which adds ongoing cost
- −Dock is quieter than some but still quite loud during the self-empty cycle
- −Being previous-gen, some firmware updates have slowed down