Switch
Had a look at the Switch docked profile against the UE4 reference guide and I've listed the settings I could find, with each setting and bolded the one Switch uses.
I'm no software developer so hopefully I haven't mixed anything up
Low = 0
Medium = 1
High = 2
Epic = 3
Shadow Quality:-
sg.ShadowQuality 0
r.LightFunctionQuality=0
r.ShadowQuality=0
r.Shadow.CSM.MaxCascades=1
r.Shadow.MaxResolution=512
r.Shadow.RadiusThreshold=0.06
r.Shadow.DistanceScale=0.6
r.Shadow.CSM.TransitionScale=0
sg.ShadowQuality 1
r.LightFunctionQuality=1
r.ShadowQuality=2
r.Shadow.CSM.MaxCascades=1
r.Shadow.MaxResolution=1024
r.Shadow.RadiusThreshold=0.05
r.Shadow.DistanceScale=0.7
r.Shadow.CSM.TransitionScale=0.25
sg.ShadowQuality 2
r.LightFunctionQuality=1
r.ShadowQuality=5
r.Shadow.CSM.MaxCascades=2
r.Shadow.MaxResolution=1024
r.Shadow.RadiusThreshold=0.04
r.Shadow.DistanceScale=0.85
r.Shadow.CSM.TransitionScale=0.8
sg.ShadowQuality 3
r.LightFunctionQuality=1
r.ShadowQuality=5
r.Shadow.CSM.MaxCascades=4
r.Shadow.MaxResolution=1024
r.Shadow.RadiusThreshold=0.03
r.Shadow.DistanceScale=1.0
r.Shadow.CSM.TransitionScale=1.0
Post Processing Quality:-
sg.PostProcessQuality 0
r.MotionBlurQuality=0
r.BlurGBuffer=0
r.AmbientOcclusionLevels=0
r.AmbientOcclusionRadiusScale=1.7
r.DepthOfFieldQuality=0
r.RenderTargetPoolMin=300
r.LensFlareQuality=0
r.SceneColorFringeQuality=0
r.EyeAdaptationQuality=0
r.BloomQuality=4
r.FastBlurThreshold=0
r.Upscale.Quality=1
r.Tonemapper.GrainQuantization=0
sg.PostProcessQuality 1
r.MotionBlurQuality=3
r.BlurGBuffer=0
r.AmbientOcclusionLevels=1
r.AmbientOcclusionRadiusScale=1.7
r.DepthOfFieldQuality=1
r.RenderTargetPoolMin=350
r.LensFlareQuality=0
r.SceneColorFringeQuality=0
r.EyeAdaptationQuality=0
r.BloomQuality=4
r.FastBlurThreshold=2
r.Upscale.Quality=2
r.Tonemapper.GrainQuantization=0
sg.PostProcessQuality 2
r.MotionBlurQuality=3
r.BlurGBuffer=-1
r.AmbientOcclusionLevels=2
r.AmbientOcclusionRadiusScale=1.5
r.DepthOfFieldQuality=2
r.RenderTargetPoolMin=400
r.LensFlareQuality=2
r.SceneColorFringeQuality=1
r.EyeAdaptationQuality=2
r.BloomQuality=5
r.FastBlurThreshold=3
r.Upscale.Quality=2
r.Tonemapper.GrainQuantization=1
sg.PostProcessQuality 3
r.MotionBlurQuality=4
r.BlurGBuffer=-1
r.AmbientOcclusionLevels=3
r.AmbientOcclusionRadiusScale=1.0
r.DepthOfFieldQuality=2
r.RenderTargetPoolMin=400
r.LensFlareQuality=2
r.SceneColorFringeQuality=1
r.EyeAdaptationQuality=2
r.BloomQuality=5
r.FastBlurThreshold=7
r.Upscale.Quality=3
r.Tonemapper.GrainQuantization=1
Texture Quality:-
sg.TextureQuality 0
r.Streaming.MipBias=2.5
r.MaxAnisotropy=0
r.Streaming.PoolSize=200
sg.TextureQuality 1
r.Streaming.MipBias=1
r.MaxAnisotropy=2
r.Streaming.PoolSize=400
sg.TextureQuality 2
r.Streaming.MipBias=0
r.MaxAnisotropy=4
r.Streaming.PoolSize=700
sg.TextureQuality 3
r.Streaming.MipBias=0
r.MaxAnisotropy=8
r.Streaming.PoolSize=1000
Effects Quality
sg.EffectsQuality 0
r.TranslucencyLightingVolumeDim=24
r.RefractionQuality=0
r.SSR=0
r.SceneColorFormat=3
r.DetailMode=0
r.TranslucencyVolumeBlur=0
r.MaterialQualityLevel=0
sg.EffectsQuality 1
r.TranslucencyLightingVolumeDim=32
r.RefractionQuality=0
r.SSR=0
r.SceneColorFormat=3
r.DetailMode=1
r.TranslucencyVolumeBlur=0
r.MaterialQualityLevel=1
sg.EffectsQuality 2
r.TranslucencyLightingVolumeDim=48
r.RefractionQuality=2
r.SSR=0
r.SceneColorFormat=3
r.DetailMode=1
r.TranslucencyVolumeBlur=1
r.MaterialQualityLevel=1
sg.EffectsQuality 3
r.TranslucencyLightingVolumeDim=64
r.RefractionQuality=2
r.SSR=1
r.SceneColorFormat=4
r.DetailMode=2
r.TranslucencyVolumeBlur=1
r.MaterialQualityLevel=1