diff --git a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-dep4-dep8.yaml b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-dep4-dep8.yaml
index 42bd30e552..343b1c718a 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-dep4-dep8.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-dep4-dep8.yaml
@@ -2,11 +2,11 @@ name: "disagg-b300-1p1d-dep4-dep8"
 
 model:
   path: "deepseek-v4-pro"
-  container: "lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4"
+  container: "lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9"
   precision: "fp4"
 
 dynamo:
-  hash: "41882ae9b07232eed4850fb1daf8c958abb2556a"
+  hash: "b1c5147f6c9eb036d98e0e25e2a980375f491e78"
   install: true
 
 sbatch_directives:
@@ -46,8 +46,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "8192"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -69,8 +67,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "1280"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -99,6 +95,7 @@ backend:
 
       enable-dp-attention: true
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "prefill"
@@ -118,6 +115,7 @@ backend:
       stream-interval: 60
 
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "decode"
diff --git a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-tp4-tp4.yaml b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-tp4-tp4.yaml
index e55d8dc2f5..15e91ad869 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-tp4-tp4.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-1p1d-tp4-tp4.yaml
@@ -2,11 +2,11 @@ name: "disagg-b300-1p1d-tp4-tp4"
 
 model:
   path: "deepseek-v4-pro"
-  container: "lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4"
+  container: "lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9"
   precision: "fp4"
 
 dynamo:
-  hash: "41882ae9b07232eed4850fb1daf8c958abb2556a"
+  hash: "b1c5147f6c9eb036d98e0e25e2a980375f491e78"
   install: true
 
 sbatch_directives:
diff --git a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-2p1d-dep4-dep8.yaml b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-2p1d-dep4-dep8.yaml
index 4c5c5ef4db..fdcc9a0c58 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-2p1d-dep4-dep8.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-2p1d-dep4-dep8.yaml
@@ -2,11 +2,11 @@ name: "disagg-b300-2p1d-dep4-dep8"
 
 model:
   path: "deepseek-v4-pro"
-  container: "lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4"
+  container: "lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9"
   precision: "fp4"
 
 dynamo:
-  hash: "41882ae9b07232eed4850fb1daf8c958abb2556a"
+  hash: "b1c5147f6c9eb036d98e0e25e2a980375f491e78"
   install: true
 
 sbatch_directives:
@@ -46,8 +46,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "8192"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -69,8 +67,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "1280"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -99,6 +95,7 @@ backend:
 
       enable-dp-attention: true
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "prefill"
@@ -118,6 +115,7 @@ backend:
       stream-interval: 60
 
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "decode"
diff --git a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-4p1d-dep4-dep8.yaml b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-4p1d-dep4-dep8.yaml
index 8ad309af71..55258735bf 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-4p1d-dep4-dep8.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-4p1d-dep4-dep8.yaml
@@ -2,11 +2,11 @@ name: "disagg-b300-4p1d-dep4-dep8"
 
 model:
   path: "deepseek-v4-pro"
-  container: "lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4"
+  container: "lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9"
   precision: "fp4"
 
 dynamo:
-  hash: "41882ae9b07232eed4850fb1daf8c958abb2556a"
+  hash: "b1c5147f6c9eb036d98e0e25e2a980375f491e78"
   install: true
 
 sbatch_directives:
@@ -46,8 +46,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "8192"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -69,8 +67,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "1280"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -99,6 +95,7 @@ backend:
 
       enable-dp-attention: true
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "prefill"
@@ -118,6 +115,7 @@ backend:
       stream-interval: 60
 
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "decode"
diff --git a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-6p1d-dep4-dep8.yaml b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-6p1d-dep4-dep8.yaml
index 6ba7519714..5b118a2a69 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-6p1d-dep4-dep8.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/8k1k/disagg-b300-6p1d-dep4-dep8.yaml
@@ -2,11 +2,11 @@ name: "disagg-b300-6p1d-dep4-dep8"
 
 model:
   path: "deepseek-v4-pro"
-  container: "lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4"
+  container: "lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9"
   precision: "fp4"
 
 dynamo:
-  hash: "41882ae9b07232eed4850fb1daf8c958abb2556a"
+  hash: "b1c5147f6c9eb036d98e0e25e2a980375f491e78"
   install: true
 
 sbatch_directives:
@@ -46,8 +46,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "8192"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -69,8 +67,6 @@ backend:
     SGLANG_DSV4_REASONING_EFFORT: "max"
     SGLANG_OPT_SWA_SPLIT_LEAF_ON_INSERT: "1"
     SGLANG_OPT_DEEPGEMM_MEGA_MOE_NUM_MAX_TOKENS_PER_RANK: "1280"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_FP4_ACTS: "1"
-    SGLANG_OPT_DEEPGEMM_MEGA_MOE_USE_MXF4_KIND: "1"
     SGLANG_OPT_USE_ONLINE_COMPRESS: "1"
     NCCL_MNNVL_ENABLE: "1"
     NCCL_CUMEM_ENABLE: "1"
@@ -99,6 +95,7 @@ backend:
 
       enable-dp-attention: true
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "prefill"
@@ -118,6 +115,7 @@ backend:
       stream-interval: 60
 
       moe-a2a-backend: "megamoe"
+      enable-w4a4-mxfp4-megamoe: true
       moe-dense-tp-size: 1
 
       disaggregation-mode: "decode"
diff --git a/configs/nvidia-master.yaml b/configs/nvidia-master.yaml
index 0cbe0e8c8f..8c8ce9582c 100644
--- a/configs/nvidia-master.yaml
+++ b/configs/nvidia-master.yaml
@@ -5233,7 +5233,7 @@ dsv4-fp4-b300-dynamo-vllm:
 # runners/launch_b300-nv.sh. Prefill workers are TP4/DEP4 (two workers per
 # 8-GPU B300 node); the decode worker is a single DEP8 node.
 dsv4-fp4-b300-dynamo-sglang:
-  image: lmsysorg/sglang:nightly-dev-cu13-20260721-8905cbd4
+  image: lmsysorg/sglang:v0.5.19-cu130@sha256:d6e7288627be8b02be88e4bba38e73f6d50e2826869f753c13a4c4385ab3eda9
   model: deepseek-ai/DeepSeek-V4-Pro
   model-prefix: dsv4
   runner: b300