Lippert Six POint Hydraulic and only Hyd slide outs... The In Wall electric slides are a finicky pain...
And for those that DONT know the hyd system .. IF THE HYD pump motor fails then the entire system is easily manually overridden with a simple cordless drill, 1/4 inch allen bit for pump motor end and 5/32 allen wrench...
If a Schwintek IN Wall slide out fails due to a motor then you have to lift both motors up out of the tracks and manually try and push the slide in
My current fifth wheel is 3 slides, all hydraulic and six point hyd level up system.. 8 years of use.. no issues with anything