Can a robot vacuum move between floors on its own?
Short answer
Announced, not on sale in the US. Roborock's Saros Rover climbs stairs itself, while Eufy's MarsWalker and Dreame's Cyber X are carriers that take a compatible robot up and down.
Which robots can do it?
- Dreame Cyber XAnnounced
Dreame's Cyber X is a separate module that carries compatible vacuums between floors, on steps up to 25 cm.
Good to know: Expected in Europe at about €1,199; no US date.
- Eufy MarsWalkerAnnounced
Eufy's MarsWalker carries a robot vacuum up and down straight, L-shaped and U-shaped stairs.
Good to know: No US price or firm date by late August 2026.
- Roborock Saros RoverAnnounced
Roborock says the Saros Rover climbs straight, curved and carpeted stairs on its own.
Good to know: Prototype shown at CES 2026; no price or release date.
Why it matters
In a multi-story home you either buy a robot per floor or carry one up and down the stairs.
Not proven yet
How reliably any of them handles real staircases at home; all claims come from the makers and show-floor demos.
How we know (6 sources)
IFA 2025 announcement of Eufy's MarsWalker, a track-driven platform that carries a robot vacuum up and down straight, L-shaped and U-shaped stairs. Release planned for the first half of 2026, no price, works only with a few Eufy models. Notes that if it costs about as much as a robot vacuum, buying two robots may be better.
Read the sourceIFA 2025 report introducing Dreame's Cyber X stair-climbing system with a quoted 25 cm step limit. No price or availability given.
Read the sourcePre-CES demo of the Roborock Saros Rover: the reviewer watched it climb a set of stairs, cleaning each step, with each wheel-leg raising and lowering independently. Roborock says it handles curved and carpeted stairs and calls it a real product in development; no on-sale date.
Read the sourceCES 2026 report on Roborock's Saros Rover, a wheel-leg vacuum prototype. Roborock says it handles straight, curved and carpeted stairs. Still in development with no confirmed release date.
Read the sourceAffiliate roundup (updated Aug 29, 2026): neither the Roborock Saros Rover nor the Eufy MarsWalker has a confirmed US price or firm US on-sale date; both are announced, not buyable. The MarsWalker carries the Eufy Omni S2, which is on sale.
Read the sourceRoundup of Dreame's European launches: Cyber X is a separate module that carries compatible X60 Pro Series vacuums between floors. Citing UK reporting, it expects a European launch in September at about €1,199. No US date or price.
Read the source
Status timeline
No status has changed since we started tracking. Every entry is dated and backed by the sources on this page.
- First recorded: Coming soonDreame Cyber X
Dreame's Cyber X is a separate module that carries compatible vacuums between floors, on steps up to 25 cm.
- First recorded: Coming soonEufy MarsWalker
Eufy's MarsWalker carries a robot vacuum up and down straight, L-shaped and U-shaped stairs.
- First recorded: Coming soonRoborock Saros Rover
Roborock says the Saros Rover climbs straight, curved and carpeted stairs on its own.