---
id: pr-flashinfer-2725
repo: flashinfer-ai/flashinfer
pr: 2725
title: 'fix: Add SM120 (RTX Blackwell desktop) support for NVFP4 MoE kernels'
author: brandonmmusic-max
date: '2026-03-20'
url: https://github.com/flashinfer-ai/flashinfer/pull/2725
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- nvfp4
techniques:
- kernel-fusion
hardware_features:
- fp4
- nvfp4
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: ad893cfaba10a65e71cefa2959435acc73f94e3f
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_fused_moe_kernel_launcher.cu
- flashinfer/compilation_context.py
- flashinfer/jit/fused_moe.py
head_ref_oid: b884fa995a695db30335fbee2c2238ccc28d66ea
artifact_dir: evidence/pull-bundles/flashinfer/gh-2725
---
# fix: Add SM120 (RTX Blackwell desktop) support for NVFP4 MoE kernels

- Repository: `flashinfer-ai/flashinfer`
- PR: [2725](https://github.com/flashinfer-ai/flashinfer/pull/2725)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_fused_moe_kernel_launcher.cu`
- `flashinfer/compilation_context.py`
- `flashinfer/jit/fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2725`
