Dreame - X40 Master
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Reddit Reviews:
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Based on 1 year's data from Feb 15, 2026 How it works
Liked most:
30
4
"Twin rollers are a bit nicer if you’ve got pets that shed a ton ... Twin rollers are genuinely helpful for pets. They grab more hair and are less prone to tangles compared to the single roller, so that’s the biggest dog-owner benefit."
"Everything stays clean (two dogs and a dog door, hardwood flooring)"
"Everything stays clean (two dogs and a dog door, hardwood flooring)"
16
6
"significantly worse object avoidance than than the Dreame x40 and L40 ... The best feature of the L40/X40/p10 pro ultra is that they have class leading object avoidance so you don't have to pick up your cat's toys or prep your house every time you want to run the robot meaning you can run it on a daily schedule which will keep your house cleaner. ... I run my X40s daily and they never get stuck on cables, cat toys and other random junk that ends up on the floor."
"they have probably the best object avoidance on the market ... no issues cleaning my house without eating cords, cat toys and other random things that end up on the floor. ... The obstacle avoidance lets me run it daily without having to prep my house. ... I basically don't have to think about the robot outside of refilling it's water and cleaning the filter. ... the Dreame cleaned just as well while having superior object avoidance so kept the Dreame."
"It hasn’t gotten stuck once ... no wires eaten ... the robot runs without hallucinating and stopping halfway through a vacuum cycle. ... After 15 cycles i’ve seen it go under metal chairs and in tight crevices in my house that would consistently make the roomba throw error codes and stop at least every other day. ... It’s never gotten stuck and on the highest settings in intensive cleaning modes i’m able to vacuum and mop 1800 sq ft in 3 hours, the roomba it’d take 3-4 hours just to vacuum alone, if it didn’t get stuck and shut down after 90 minutes."
24
7
"significantly worse object avoidance than than the Dreame x40 and L40 ... The best feature of the L40/X40/p10 pro ultra is that they have class leading object avoidance so you don't have to pick up your cat's toys or prep your house every time you want to run the robot meaning you can run it on a daily schedule which will keep your house cleaner. ... I run my X40s daily and they never get stuck on cables, cat toys and other random junk that ends up on the floor."
"they have probably the best object avoidance on the market ... no issues cleaning my house without eating cords, cat toys and other random things that end up on the floor. ... The obstacle avoidance lets me run it daily without having to prep my house. ... I basically don't have to think about the robot outside of refilling it's water and cleaning the filter. ... the Dreame cleaned just as well while having superior object avoidance so kept the Dreame."
"I have an X40 Master and would not want to go back to filling and emptying water tanks. ... I have a lot of floor area so depending on how much water I set my earlier model robot to use, it could run out before the clean is finished. The X40 Master solves that problem completely."
11
1
"I definitely do not have a floor drain. Just added it to my drain. ... It’s really not. I uses a 3/8 water tee which I got at Home Depot that you typically use to plumb an ice machine for the water inlet. Then for the exit they make adapters that will get it to your sewer tap T also at Home Depot. I think all in all it cost me less than $20. The only thing I had to order was a 3:8 to 1:4 inch adapter for the Compression line on the dirty water. You could get a plumber to do this for you, but they’re gonna charge an arm and leg. It took me all of 20 minutes once I had the right parts."
"I have an X40 Master and would not want to go back to filling and emptying water tanks. ... I have a lot of floor area so depending on how much water I set my earlier model robot to use, it could run out before the clean is finished. The X40 Master solves that problem completely."
"I have an X40 Master and would not want to go back to filling and emptying water tanks. ... I have a lot of floor area so depending on how much water I set my earlier model robot to use, it could run out before the clean is finished. The X40 Master solves that problem completely."
5
1
"excellent hair tangle resistance since you can run the tricut brush. ... I have 2x Dreame x40s and they have the same brush system as the l40 and I have one running the tricut and one without it. Both have been excellent with resisting hair wrap with the tricut having zero hair tangled on it and the regular brush having a small amount on the ends."
"Im running the regulator rubber roller even though I ended up with 2 hair cutting rollers, and have had no hair tangling or balling up issues."
"It had all the benefits of the bristle brush - performed similar to the S7 MaxV and the non-tanglement of the rubber brush. ... I'd still get tangles, but they were very very minimal - it did way better actually getting the hair off the carpet."
Disliked most:
0
1
"stopped doing edges ... each week it got worse at navigation, essentially only doing half rooms ... stopped sweeping and mopping anywhere it transitioned from rug to floor ... It would leave 2 ft circumference around every rug unswept which was horrible near dog doors and the rug in front of them (main reason I got vacuum!) ... But was not willing to deal with it stopping sweeping the entire floor. ... It was glitching out around edges"
1
2
"I had to replace roller twice because object detection was lacking and roller tore."
"Too many sensors were wonky."
"stopped doing edges ... each week it got worse at navigation, essentially only doing half rooms ... stopped sweeping and mopping anywhere it transitioned from rug to floor ... It would leave 2 ft circumference around every rug unswept which was horrible near dog doors and the rug in front of them (main reason I got vacuum!) ... But was not willing to deal with it stopping sweeping the entire floor. ... It was glitching out around edges"
2
7
"stopped doing edges ... each week it got worse at navigation, essentially only doing half rooms ... stopped sweeping and mopping anywhere it transitioned from rug to floor ... It would leave 2 ft circumference around every rug unswept which was horrible near dog doors and the rug in front of them (main reason I got vacuum!) ... But was not willing to deal with it stopping sweeping the entire floor. ... It was glitching out around edges"
"I had to replace roller twice because object detection was lacking and roller tore."
"failed to dock itself almost 80% of the time. ... Its right wheel couldn’t get on the ramp, so it didn’t even get near the contacts."
2
2
"Dreame's support was so bad that I didn't even bother getting a new one, just wanted a refund. ... their support made me jump through massive hoops, spanning nearly 3 weeks, in order to get, what was initially just a replacement... but it was such a nightmare I ended to just telling them I wanted a refund, I didn't want the replacement anymore."
"Dreame customer service sucks. ... I have feeling no 1 over there understand basic English or the translation app they use is joke. ... Never buying that crap again. This was my 2nd X40 purchase for my parents."
1
3
"I have an X40, which I wouldn’t recommend for carpet owners even with the tricut brush."
"The extending side brush isnt perfect either i was pretty dissappointed since it kept missing some corners."
"didn't like spin brushes leaving a gap when mopping"
Appropriate-Cat-1230 1.0Upgraded from s7 maxv ultra with the heater attachment and self plumbing / drain kit. I loved the s7 but i dread washing the filter and brushes because of the amount of gunk and the smell. I think i have very hard water so all of this congeals on the filter. The water tank above the mop also develops a bunch of black gunk as its very hard to wash the inside. Ive tried vinegar, alcohol, bleach, etc etc. You will see much less and limited models if youre in the US for direct drain and plumbing as it is not typically code to drain water here vs asia or europe. Anyway, i think only the x40 master from dreame or there is a saros one that comes with a complete plumbing kit. I chose the x40 master and although performance is on par, i see a few noticable improvements such as navigation, much quieter, flexible arms and mop for edge cleaning, and most importantly automatic hot water washing. No more stinky filters to clean and the entire pan can be easily removed and everything is accessible to clean. There is no more deattachable water tank on the x40. I think there is an internal one but it gets drained out and much smaller? I no longer smell dirty water when mopping also. I dont think i get much performance gains except for the edge cleaning . The rest are quality of life upgrades.
Agreed that its quite loud. Much better on the new one. The stinky mop i believe is derived from the water source and duration that it stays. Unfortunately not much i can do about that. I do have to say the obstacle avoidance is also much better. The s7 caught everything and got intangled everywhere. The x40 does a much better job. It got tangled once or twice but i blame my messy kids for leaving their mess everywhere...
a_stealthy_maverick 1.0Dreame X40 master and never have to refill water or dump dirty water ever again. Really minimizes maintenance compared to my previous Roborock S7 MaxV Ultra with add on mop dryer.
Dreame X40 master, no changing water and minimal maintenance. Exactly what these robots should be.
Dreame X40 master is on sale. After a more complicated install the maintenance is the least out of any robot. Currently on sale for $699.
burke484 1.0Dreame X40 Master. I had the switchbot S10 and its light years better.
dny3l 1.0Do you have the cash to buy the master series from Dreame? Base it’s more compact but you need to connect it to water and plumbing. Have you considered building a cabinet to hide the base? For a small home and a pretty clean one a mop exchange might work. But for a bigger home I would say it just smears the dirt from place a to the whole house. That’s why the base is needed. Even the rotary mops are not the best solution. I see the roller mop system better because it cleans the mop while washing the floors. Personally I would totally recommend a full base system even with water and plumbing connections. It gives you total freedom. Hide everything in a closet and leave it do its job.
Look into roller mop devices. Also do care about things that are dropped on the floor. I have the Dreame X40, cleaning is overall good but stains are a hit and miss. Candy or other sticky stuff is no go, like 0 chance of proper cleaning. You should be better with a roller mop because it cleans the mop constantly. Obstacle avoidance is critical for things like pens, crayons, toys. Here Dreame is good but not perfect. I had several pencils caught in the inlet. Family with 2 kids 8 and 4 + cat living in rural area. Additional advice, take the time to educate your kid, accidents happen but a jerky attitude sticks forever…
Set it and forget it. 1x vac 1xmop&vac daily. And from time to time manual cleans. Daily water emptying and replenishing. 1 year Dreame x40
Equivalent-Repair488 1.0The new Dreame X50 autowash dock has had great praise, with people saying it effectively cleans itself and you will never have to maintain it outside of emptying the tray that catches larger debris. The x50 also can clear the thresholds supposedly. There is also the master version or even the ultra with the pipe hookups, then the only real maintenance will be the dust bag and the cleaning solution bottle. Then a weekly maybe even a monthly maintenance on it will likely suffice. I have a robovac that was released 3 years ago, and has voice commands, alongside scheduling, remote operation through the app, over the internet live video feed and control, voice calling through the robovac itself. Plenty of tools and features to help OP in their situation, and that is a much older model at this point
The new Dreame X50 autowash dock has had great praise, with people saying it effectively cleans itself and you will never have to maintain it outside of emptying the tray that catches larger debris. The x50 also can clear the thresholds supposedly. There is also the master version or even the ultra with the pipe hookups, then the only real maintenance will be the dust bag and the cleaning solution bottle. Then a weekly maybe even a monthly maintenance on it will likely suffice. I have a robovac that was released 3 years ago, and has voice commands, alongside scheduling, remote operation through the app, over the internet live video feed and control, voice calling through the robovac itself. Plenty of tools and features to help OP in their situation, and that is a much older model at this point
Glittering_Sea4975 1.0Coming from Roborock, which in my view has awful customer service, to Dreame, I was really concerned about an even worse experience based on forum feedback from owners. Maybe I'll regret it in the future, but so far my X40 Master has been out of sight, and out of mind. Everything stays clean (two dogs and a dog door, hardwood flooring), and the dock has an unlimited supply of water through our plumbing. The X50 Master doesn't seem to be available in North America yet, but I can't say enough good things about the X40 Master. I bought it and a Roborock S8 Maxv Ultra with the drainage:refill dock, and returned the Roborock after trying both. At CES 2025, Dreame did show off a fancy dock that can store and swap multiple sets of mop pads. That's really the only thing I'd love more at this point (I could go months and months without ever fiddling with the robot).
Grouchy-Ice4017 1.0I have the master version, thing has been amazing and reliable. Looking forward to the day I can upgrade again
Dreame x40 master here, it’s been nearly flawless for us after one year
On the x40 the sink basin easily slides out and the detergent draw should remain accessible. So I would design it such that you can easily get to the whole front of the machine. My setup has that front exposed fully, but others have not had a problem leaving a narrow slot for just the robot to travel through
Impressionsoflakes 1.0Have the Dreame with the Trucut brush and never had any issues. Previous canister vacuums were always getting tangled with my wife's hair so I would say it works well
I also recommend Just A Dad. The YouTube affiliate-link sellers are all shilling the Roborock Saros at the moment. However, his testing shows that while it cleans quite well, the object avoidance really hasn't gotten much better. It runs over a cable and a fairly big Lego construction like they aren't there. My mid-range Dreame would have chomped the cable but would have avoided Lego 1/3 that size all day long. I think he updated the comments to say Roborock had reached out to him to explain the cable and his carpet was the wrong colour or something. The Dreame X50 does well with obstacle avoidance but looks lost otherwise trying to find its way around. Personally, I'd get the Dreame X40 if you don't need the threshold jumping as it had all the bugs ironed out and was pretty much perfect by all accounts.
innocuousmuffin 1.0Not discounting your experience with them, since all companies have issues, but wanted to add my experience to the mix. I bought an X40 master last November, and an L40 ultra just recently and they've been fine. Though, I should note that I installed Valetudo on both of them before even connecting to the internet.
I've got a Dreame X40 specifically because it's supported by Valetudo. (Local only cloud replacement so you can use most of the features of the robot without needing any cloud services.
Izrun 1.0Dreame x40 master @$700. I know today’s deal has the ultra at $200 less, which is very tempting, but I think the convenience of having it plumbed will be worth it.
I just bought the Dreame x40 Master. I really liked the idea of a plumbed design and for only $50 more it seemed like a great choice. We'll see. It's been really hard to make the decision, though. Way too many options. Hard to decide this vs L40 Ultra AE but it seemed like by far the best priced / option for a plumbed version
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