CivArchive
    NMKD Siax ("CX") - 200k
    Preview 2563459
    Preview 2563460

    This upscaler is not mine, all the credit goes to: N00MKRAD

    Official WIKI page: openmodeldb

    License of use it: WTFPL

    HOW TO INSTALL:

    Copy the file 4x_NMKD-Siax_200k.safetensors inside the folder: stable-diffusion/models/ESRGAN or ComfyUI/models/upscale_models

    Restart/Reload you Stable Diffusion instance

    The upscaler should be visible for hi-res and extras tabs

    Description

    This upscaler is not mine, all the credit goes to: N00MKRAD

    Official WIKI page: openmodeldb

    License of use it: WTFPL

    HOW TO INSTALL:

    Rename the file from: 4x_NMKD-Siax_200k.pt to 4x_NMKD-Siax_200k.pth

    Copy the file 4x_NMKD-Siax_200k.pth inside the folder: stable-diffusion/models/ESRGAN

    Restart/Reload you Stable Diffusion instance

    The upscaler should be visible for hi-res and extras tabs

    FAQ

    Comments (9)

    rflyerMar 15, 2024· 3 reactions
    CivitAI

    How to add this in Fooocus 2.2. There is no folder called ESRGAN under models directory.

    Griss99May 5, 2024· 1 reaction

    add to DAT folder rename .pth

    MannyTheGermanMay 16, 2024· 11 reactions
    CivitAI

    ComfyUI:

    Copy the file 4x_NMKD-Siax_200k.pth inside the folder: stable-diffusion/models/upscale_models

    44071Jul 29, 2024· 1 reaction
    CivitAI

    Trying to install it but it's not showing up in my highres fix for upscalers

    I only have a RealERGAN folder and put it there

    0_vortex
    Author
    Aug 3, 2024

    Siax is ESRGAN (older arch) and should go to that folder. Can I help with generating?

    44071Aug 6, 2024

    @0_vortex I don't have an ESRGAN folder in Models

    adcrossDec 15, 2024

    @anonfaker make a folder xd

    navyguy757Feb 12, 2026· 1 reaction
    CivitAI

    is this safe? it mentioned renaming a file, that's odd, and now it's a safetensor.

    0_vortex
    Author
    Feb 12, 2026

    the instructions are still valid if you use ancient tech like a1111/forge/etc, if you use comfy just download it and put it in the folder. as to <why>, people complained it was not safe so I made .safetensor version.

    Upscaler
    Upscaler
    by 0_vortex
    Download (Beta) View on CivitAI
    base model

    Details

    Downloads
    32,664
    Platform
    CivitAI
    Platform Status
    Available
    Created
    9/18/2023
    Updated
    5/13/2026
    Deleted
    -

    Files

    nmkdSiaxCX_200k.pt

    Size:
    63.86 MB
    SHA256:
    560424d9f68625713fc47e9e7289a98aabe1d744e1cd6a9ae5a35e9957fd127e

    Mirrors

    HuggingFace (97 mirrors)
    CivitAI (2 mirrors)

    nmkdSiaxCX_200k.safetensors

    Size:
    63.77 MB
    SHA256:
    839a8ab4d8370a6697e6c07783439c4cea6c5295882745f2e7ddfbb555062286

    Mirrors

    HuggingFace (7 mirrors)
    CivitAI (1 mirrors)
    ModelScope CN (2 mirrors)