diff --git a/tests/integration/test_lists/qa/llm_perf_core.yml b/tests/integration/test_lists/qa/llm_perf_core.yml
index 7888593e1697..ea30931f8b0a 100644
--- a/tests/integration/test_lists/qa/llm_perf_core.yml
+++ b/tests/integration/test_lists/qa/llm_perf_core.yml
@@ -37,7 +37,8 @@ llm_perf_core:
    # test overlap scheduler
    # con:1 paired with a small model is an intentional design choice—it amplifies host-side overhead and simplifies execution timelines to the maximum extent.
   - perf/test_perf.py::test_perf[qwen3_0.6b-bench-pytorch-bfloat16-maxnt:2048-input_output_len:8000,1000-reqs:256-con:1-pp:4-gpus:4]
-  - perf/test_perf.py::test_perf[qwen3_30b_a3b-bench-pytorch-bfloat16-maxnt:2048-input_output_len:8000,1000-reqs:256-con:1-pp:4-gpus:4]
+   # 30B MoE uses fewer reqs to fit the 1h timeout; con:1 host-overhead signal is unaffected
+  - perf/test_perf.py::test_perf[qwen3_30b_a3b-bench-pytorch-bfloat16-maxnt:2048-input_output_len:8000,1000-reqs:64-con:1-pp:4-gpus:4]
 
 
 # 2: L40S, H100, H20
@@ -60,9 +61,7 @@ llm_perf_core:
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:128,128-tp:4-gpus:4]
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:500,2000-tp:4-gpus:4]
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:2000,500-tp:4-gpus:4]
-  - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:8000,1000-tp:4-gpus:4]
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:1000,2000-tp:4-gpus:4]
-  - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:8000,1000-con:250-tp:4-gpus:4] #max_throughput
 
 
 # 3: H100, H20 test cases
@@ -98,6 +97,9 @@ llm_perf_core:
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:1000,2000-tp:2-gpus:2]
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-maxbs:1-input_output_len:8000,1000-reqs:10-con:1-tp:2-gpus:2] #min_latency
   - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:8000,1000-con:250-tp:2-gpus:2] #max_throughput
+  #llama_v3.3_nemotron_super_49b (nemotron-nas BF16 94G, 4-GPU): too slow on L40S PCIe-only interconnect
+  - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:8000,1000-tp:4-gpus:4]
+  - perf/test_perf.py::test_perf[llama_v3.3_nemotron_super_49b-bench-pytorch-bfloat16-input_output_len:8000,1000-con:250-tp:4-gpus:4] #max_throughput
 
 
 # 4: H100, H20, GB200, B200, B300, GB300, RTX6000-Server test cases