diff --git a/benchmarks/single_node/fixed_seq_len/qwen3.5_fp4_mi355x.sh b/benchmarks/single_node/fixed_seq_len/qwen3.5_fp4_mi355x.sh
index 87809f54b..f31cb41b1 100644
--- a/benchmarks/single_node/fixed_seq_len/qwen3.5_fp4_mi355x.sh
+++ b/benchmarks/single_node/fixed_seq_len/qwen3.5_fp4_mi355x.sh
@@ -21,6 +21,7 @@ export SGLANG_USE_AITER=1
 export SGLANG_USE_AITER_UNIFIED_ATTN=1
 export AITER_FLYDSL_FORCE=1
 export SGLANG_MAMBA_SSM_DTYPE=bfloat16
+export SGLANG_USE_AITER_FP8_PER_TOKEN=1
 
 SERVER_LOG=/workspace/server.log
 MEM_FRAC_STATIC=${MEM_FRAC_STATIC:-0.8}
diff --git a/configs/amd-master.yaml b/configs/amd-master.yaml
index b8f6f4fc3..1d04939da 100644
--- a/configs/amd-master.yaml
+++ b/configs/amd-master.yaml
@@ -367,7 +367,7 @@ qwen3.5-fp8-mi355x-sglang-disagg:
 
 qwen3.5-fp4-mi355x-sglang:
   image: lmsysorg/sglang-rocm:v0.5.15-rocm720-mi35x-20260713
-  model: amd/Qwen3.5-397B-A17B-MXFP4
+  model: amd/Qwen3.5-397B-A17B-MXFP4-AttnFP8-V2
   model-prefix: qwen3.5
   runner: mi355x
   precision: fp4
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index 6eebd9707..f5d454cdf 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -5355,3 +5355,10 @@
     - "Apply the accuracy-gated Kimi-K2.5 MXFP4 settings: tuned AITER MXFP4 MoE, fused shared experts, FP8 KV cache, block size 16, 16384 batched tokens, 512 sequences, async scheduling, gpu-memory-utilization 0.85 (headroom for CUDA-graph capture on MI355X), and the AITER BF16 GEMM path"
     - "Extend the TP4 and TP8 8k1k concurrency sweep from 64 to 128 (1k1k deprecated per #2263)"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2213
+
+- config-keys:
+    - qwen3.5-fp4-mi355x-sglang
+  description:
+    - "Update the Qwen3.5 FP4 MI355X SGLang checkpoint to amd/Qwen3.5-397B-A17B-MXFP4-AttnFP8-V2"
+    - "Quantize attention to PTPC FP8 and shared experts to MXFP4, and enable SGLANG_USE_AITER_FP8_PER_TOKEN=1"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2465