diff --git a/api/src/v1/config.rs b/api/src/v1/config.rs
index d48c9a87..5ec7beba 100644
--- a/api/src/v1/config.rs
+++ b/api/src/v1/config.rs
@@ -9,10 +9,12 @@ use serde::{Deserialize, Serialize};
 #[cfg_attr(feature = "utoipa", derive(utoipa::ToSchema))]
 #[serde(rename_all = "kebab-case")]
 pub enum StorageClass {
-    /// Append tail latency under 400 milliseconds with s2.dev.
+    /// Append tail latency under 400 ms with s2.dev.
     Standard,
-    /// Append tail latency under 40 milliseconds with s2.dev.
+    /// Append tail latency under 40 ms with s2.dev.
     Express,
+    /// Append tail latency under 4 ms with s2.dev.
+    Native,
 }
 
 impl From<StorageClass> for s2_common::config::StorageClass {
@@ -20,6 +22,7 @@ impl From<StorageClass> for s2_common::config::StorageClass {
         match value {
             StorageClass::Express => Self::Express,
             StorageClass::Standard => Self::Standard,
+            StorageClass::Native => Self::Native,
         }
     }
 }
@@ -29,6 +32,7 @@ impl From<s2_common::config::StorageClass> for StorageClass {
         match value {
             s2_common::config::StorageClass::Express => Self::Express,
             s2_common::config::StorageClass::Standard => Self::Standard,
+            s2_common::config::StorageClass::Native => Self::Native,
         }
     }
 }
@@ -598,7 +602,11 @@ mod tests {
     use super::*;
 
     fn gen_storage_class() -> impl Strategy<Value = StorageClass> {
-        prop_oneof![Just(StorageClass::Standard), Just(StorageClass::Express)]
+        prop_oneof![
+            Just(StorageClass::Standard),
+            Just(StorageClass::Express),
+            Just(StorageClass::Native),
+        ]
     }
 
     fn gen_timestamping_mode() -> impl Strategy<Value = TimestampingMode> {
diff --git a/cli/schema.json b/cli/schema.json
index c6f9c997..3659ddcb 100644
--- a/cli/schema.json
+++ b/cli/schema.json
@@ -139,7 +139,8 @@
       "type": "string",
       "enum": [
         "standard",
-        "express"
+        "express",
+        "native"
       ]
     },
     "RetentionPolicy": {
diff --git a/cli/src/apply.rs b/cli/src/apply.rs
index 7235508d..0855ccce 100644
--- a/cli/src/apply.rs
+++ b/cli/src/apply.rs
@@ -49,6 +49,7 @@ fn storage_class_from_sdk(storage_class: s2_sdk::types::StorageClass) -> Storage
     match storage_class {
         s2_sdk::types::StorageClass::Standard => StorageClass::Standard,
         s2_sdk::types::StorageClass::Express => StorageClass::Express,
+        s2_sdk::types::StorageClass::Native => StorageClass::Native,
     }
 }
 
@@ -127,6 +128,7 @@ fn storage_class_to_sdk(
     match storage_class {
         s2_resource_spec::StorageClass::Standard => s2_sdk::types::StorageClass::Standard,
         s2_resource_spec::StorageClass::Express => s2_sdk::types::StorageClass::Express,
+        s2_resource_spec::StorageClass::Native => s2_sdk::types::StorageClass::Native,
     }
 }
 
@@ -311,6 +313,7 @@ fn format_storage_class(sc: StorageClass) -> &'static str {
     match sc {
         StorageClass::Standard => "standard",
         StorageClass::Express => "express",
+        StorageClass::Native => "native",
     }
 }
 
diff --git a/cli/src/types.rs b/cli/src/types.rs
index 699a04b9..3acd5534 100644
--- a/cli/src/types.rs
+++ b/cli/src/types.rs
@@ -208,6 +208,7 @@ pub use sdk::types::LocationName;
 pub enum StorageClass {
     Standard,
     Express,
+    Native,
 }
 
 #[derive(ValueEnum, Debug, Clone, Serialize)]
@@ -322,6 +323,7 @@ impl From<StorageClass> for sdk::types::StorageClass {
         match class {
             StorageClass::Standard => sdk::types::StorageClass::Standard,
             StorageClass::Express => sdk::types::StorageClass::Express,
+            StorageClass::Native => sdk::types::StorageClass::Native,
         }
     }
 }
@@ -331,6 +333,7 @@ impl From<sdk::types::StorageClass> for StorageClass {
         match class {
             sdk::types::StorageClass::Standard => StorageClass::Standard,
             sdk::types::StorageClass::Express => StorageClass::Express,
+            sdk::types::StorageClass::Native => StorageClass::Native,
         }
     }
 }
diff --git a/common/src/config.rs b/common/src/config.rs
index 83526ec2..338a02e4 100644
--- a/common/src/config.rs
+++ b/common/src/config.rs
@@ -49,6 +49,8 @@ pub enum StorageClass {
     #[default]
     #[strum(serialize = "express")]
     Express = 2,
+    #[strum(serialize = "native")]
+    Native = 3,
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
diff --git a/resource-spec/src/lib.rs b/resource-spec/src/lib.rs
index 7a0ea7fa..99531fe5 100644
--- a/resource-spec/src/lib.rs
+++ b/resource-spec/src/lib.rs
@@ -70,6 +70,7 @@ pub struct StreamConfig {
 pub enum StorageClass {
     Standard,
     Express,
+    Native,
 }
 
 impl schemars::JsonSchema for StorageClass {
@@ -81,7 +82,7 @@ impl schemars::JsonSchema for StorageClass {
         schemars::json_schema!({
             "type": "string",
             "description": "Storage class for recent writes.",
-            "enum": ["standard", "express"]
+            "enum": ["standard", "express", "native"]
         })
     }
 }
@@ -91,6 +92,7 @@ impl From<StorageClass> for s2_common::config::StorageClass {
         match s {
             StorageClass::Standard => Self::Standard,
             StorageClass::Express => Self::Express,
+            StorageClass::Native => Self::Native,
         }
     }
 }
diff --git a/sdk/src/types.rs b/sdk/src/types.rs
index a66f8c44..1c0e3af2 100644
--- a/sdk/src/types.rs
+++ b/sdk/src/types.rs
@@ -734,10 +734,12 @@ impl<T> Page<T> {
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 /// Storage class for recent appends.
 pub enum StorageClass {
-    /// Standard storage class that offers append latencies under `500ms`.
+    /// Append tail latency under 400 ms with s2.dev.
     Standard,
-    /// Express storage class that offers append latencies under `50ms`.
+    /// Append tail latency under 40 ms with s2.dev.
     Express,
+    /// Append tail latency under 4 ms with s2.dev.
+    Native,
 }
 
 impl From<api::config::StorageClass> for StorageClass {
@@ -745,6 +747,7 @@ impl From<api::config::StorageClass> for StorageClass {
         match value {
             api::config::StorageClass::Standard => StorageClass::Standard,
             api::config::StorageClass::Express => StorageClass::Express,
+            api::config::StorageClass::Native => StorageClass::Native,
         }
     }
 }
@@ -754,6 +757,7 @@ impl From<StorageClass> for api::config::StorageClass {
         match value {
             StorageClass::Standard => api::config::StorageClass::Standard,
             StorageClass::Express => api::config::StorageClass::Express,
+            StorageClass::Native => api::config::StorageClass::Native,
         }
     }
 }
@@ -4115,11 +4119,21 @@ mod tests {
     // -- StorageClass --
 
     #[rstest]
-    #[case::standard(StorageClass::Standard)]
-    #[case::express(StorageClass::Express)]
-    fn storage_class_roundtrip(#[case] sdk: StorageClass) {
+    #[case::standard(StorageClass::Standard, "standard", 1)]
+    #[case::express(StorageClass::Express, "express", 2)]
+    #[case::native(StorageClass::Native, "native", 3)]
+    fn storage_class_roundtrip(#[case] sdk: StorageClass, #[case] wire: &str, #[case] repr: u8) {
         let api: api::config::StorageClass = sdk.into();
-        let back: StorageClass = api.into();
+        assert_eq!(serde_json::to_value(api).unwrap(), wire);
+        let decoded: api::config::StorageClass =
+            serde_json::from_value(serde_json::json!(wire)).unwrap();
+        let common: s2_common::config::StorageClass = decoded.into();
+        assert_eq!(common as u8, repr);
+        assert_eq!(
+            s2_common::config::StorageClass::from_repr(repr),
+            Some(common)
+        );
+        let back: StorageClass = api::config::StorageClass::from(common).into();
         assert_eq!(back, sdk);
     }