diff --git a/src/components/Layout/mdx/Admonition.tsx b/src/components/Layout/mdx/Admonition.tsx
index 0cd499a8d6..bde12dd358 100644
--- a/src/components/Layout/mdx/Admonition.tsx
+++ b/src/components/Layout/mdx/Admonition.tsx
@@ -4,7 +4,7 @@ import Aside from '../../blocks/dividers/Aside';
 
 const LEGACY_ADMONITION_TYPES = ['new', 'updated', 'experimental', 'public-preview'];
 
-type AdmonitionVariant = 'neutral' | 'note' | 'further-reading' | 'important' | 'warning';
+type AdmonitionVariant = 'neutral' | 'note' | 'further-reading' | 'important' | 'warning' | 'usp';
 
 interface AdmonitionProps extends React.HTMLAttributes<HTMLElement> {
   'data-type'?: AdmonitionVariant;
@@ -44,6 +44,11 @@ const admonitionConfig: Record<
     backgroundColor: 'bg-yellow-100 dark:bg-yellow-800',
     title: 'Warning',
   },
+  usp: {
+    borderColor: 'border-l-orange-600 dark:border-l-orange-600',
+    backgroundColor: '',
+    title: '', // USP callouts don't use a title prefix - the content includes the headline
+  },
 };
 
 const Admonition: React.FC<AdmonitionProps> = ({ 'data-type': dataType = 'note', children, className, ...rest }) => {
@@ -54,6 +59,26 @@ const Admonition: React.FC<AdmonitionProps> = ({ 'data-type': dataType = 'note',
 
   const { borderColor, backgroundColor, title } = admonitionConfig[dataType];
 
+  // USP callouts have a different structure - no title prefix, content includes the headline
+  if (dataType === 'usp') {
+    return (
+      <aside
+        {...rest}
+        data-type={dataType}
+        className={cn(
+          'border-l px-6 py-3.5 my-4 rounded-r-lg text-neutral-1000 dark:text-neutral-300',
+          borderColor,
+          backgroundColor,
+          className,
+        )}
+      >
+        <div className="ui-text-p3 [&>p:first-child]:ui-text-p1 [&>p:first-child]:font-bold [&>p:first-child]:text-neutral-1300 [&>p:first-child]:mb-2 [&>*:last-child]:mb-0">
+          {children}
+        </div>
+      </aside>
+    );
+  }
+
   return (
     <aside
       {...rest}
diff --git a/src/pages/docs/platform/index.mdx b/src/pages/docs/platform/index.mdx
index 4bd9a44f96..bf0b590a6e 100644
--- a/src/pages/docs/platform/index.mdx
+++ b/src/pages/docs/platform/index.mdx
@@ -3,6 +3,11 @@ title: About Ably
 meta_description: "An introduction to Ably and its highly-available, scalable platform."
 ---
 
+<Aside data-type="usp">
+<p>Make data loss a mathematical impossibility.</p>
+<p>That's 8-nines durability. Once acknowledged, messages replicate instantly across multiple physical locations—a 99.9999999% statistical guarantee that survives entire data center failures. [See evidence](#)</p>
+</Aside>
+
 Ably is a highly-scalable serverless WebSocket platform used to power realtime digital experiences.
 
 At its core, Ably is a cloud-based Pub/Sub (publish/subscribe) platform-as-a-service (PaaS). It ensures that any messages published to Ably by any device will be received, in realtime, by any number of subscribing devices.