diff --git a/crates/ml/src/hyperopt/adapters/dqn.rs b/crates/ml/src/hyperopt/adapters/dqn.rs
index 068d283e9..4a4857e6e 100644
--- a/crates/ml/src/hyperopt/adapters/dqn.rs
+++ b/crates/ml/src/hyperopt/adapters/dqn.rs
@@ -3719,7 +3719,7 @@ mod tests {
         assert_eq!(bounds[11], (1.0, 1.0));           // use_branching (FIXED: always true — GPU pipeline requires branching)
         assert_eq!(bounds[13], (128.0, 512.0));   // dueling_hidden_dim
         assert_eq!(bounds[14], (3.0, 5.0));       // n_steps (raised min: Rainbow standard)
-        assert_eq!(bounds[15], (11.0, 101.0));    // num_atoms (11=RTX3050, 101=max)
+        assert_eq!(bounds[15], (11.0, 51.0));     // num_atoms (11=RTX3050, 51=H100 default)
 
         // Kelly risk parameters
         assert_eq!(bounds[17], (0.25, 0.75));     // kelly_fractional
@@ -3727,7 +3727,7 @@ mod tests {
         assert_eq!(bounds[19], (10.0, 30.0));     // volatility_window
 
         // C2: curiosity_weight fixed to 0.0, noisy_epsilon_floor fixed to 0.10, not in search space
-        assert_eq!(bounds[21], (128.0, 512.0));   // hidden_dim_base (128-512, backtest is bottleneck not training)
+        assert_eq!(bounds[21], (128.0, 256.0));   // hidden_dim_base (capped at production default for hyperopt speed)
         assert_eq!(bounds[22], (0.0, 1.0));       // cql_alpha (full offline-RL range)
 
         // C5: branch_hidden_dim