diff --git a/python/sglang/srt/server_args.py b/python/sglang/srt/server_args.py
index d77ea8782..8ec153887 100644
--- a/python/sglang/srt/server_args.py
+++ b/python/sglang/srt/server_args.py
@@ -70,15 +70,15 @@ class ServerArgs:
             self.tokenizer_path = self.model_path
         if self.mem_fraction_static is None:
             if self.tp_size >= 16:
-                self.mem_fraction_static = 0.74
+                self.mem_fraction_static = 0.80
             elif self.tp_size >= 8:
-                self.mem_fraction_static = 0.78
+                self.mem_fraction_static = 0.84
             elif self.tp_size >= 4:
-                self.mem_fraction_static = 0.82
+                self.mem_fraction_static = 0.86
             elif self.tp_size >= 2:
-                self.mem_fraction_static = 0.85
-            else:
                 self.mem_fraction_static = 0.88
+            else:
+                self.mem_fraction_static = 0.89
         if isinstance(self.additional_ports, int):
             self.additional_ports = [self.additional_ports]
         elif self.additional_ports is None: