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# SamplerDPMPP_2M_SDE - ComfyUI Built-in Node Documentation

> Complete documentation for the SamplerDPMPP_2M_SDE node in ComfyUI. Learn its inputs, outputs, parameters and usage.

The SamplerDPMPP\_2M\_SDE node creates a DPM++ 2M SDE sampler for diffusion models. This sampler uses second-order differential equation solvers with stochastic differential equations to generate samples. It provides different solver types and noise handling options to control the sampling process.

## Inputs

| Parameter      | Description                                                                                                                                                                                                                  | Data Type | Required | Range                      |
| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- | -------- | -------------------------- |
| `solver_type`  | The type of differential equation solver to use for the sampling process                                                                                                                                                     | STRING    | Yes      | `"midpoint"`<br />`"heun"` |
| `eta`          | Controls the stochasticity of the sampling process (default: 1.0)                                                                                                                                                            | FLOAT     | Yes      | 0.0 - 100.0                |
| `s_noise`      | Controls the amount of noise added during sampling (default: 1.0)                                                                                                                                                            | FLOAT     | Yes      | 0.0 - 100.0                |
| `noise_device` | The device where noise calculations are performed. When set to "cpu", the sampler uses CPU-based noise generation; when set to "gpu", it uses GPU-based noise generation for potentially faster performance (default: "gpu") | STRING    | Yes      | `"gpu"`<br />`"cpu"`       |

## Outputs

| Output Name | Description                                                        | Data Type |
| ----------- | ------------------------------------------------------------------ | --------- |
| `sampler`   | A configured sampler object ready for use in the sampling pipeline | SAMPLER   |

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/SamplerDPMPP_2M_SDE/en.md)

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