diff --git a/audit/internal/webui/pages.go b/audit/internal/webui/pages.go
index 526994e..69ed8a3 100644
--- a/audit/internal/webui/pages.go
+++ b/audit/internal/webui/pages.go
@@ -1070,14 +1070,24 @@ func renderValidate(opts HandlerOptions) string {
 		)) +
 		`</div>
 <div style="height:1px;background:var(--border);margin:16px 0"></div>
+<div class="card" style="margin-bottom:16px">
+  <div class="card-head">NVIDIA GPU Selection</div>
+  <div class="card-body">
+    <p style="font-size:12px;color:var(--muted);margin:0 0 8px">` + inv.NVIDIA + `</p>
+    <p style="font-size:12px;color:var(--muted);margin:0 0 10px">All NVIDIA validate tasks use only the GPUs selected here. The same selection is used by Validate one by one.</p>
+    <div style="display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px">
+      <button class="btn btn-sm btn-secondary" type="button" onclick="satSelectAllGPUs()">Select All</button>
+      <button class="btn btn-sm btn-secondary" type="button" onclick="satSelectNoGPUs()">Clear</button>
+    </div>
+    <div id="sat-gpu-list" style="border:1px solid var(--border);border-radius:4px;padding:12px;min-height:88px">
+      <p style="color:var(--muted);font-size:13px">Loading NVIDIA GPUs...</p>
+    </div>
+    <p id="sat-gpu-selection-note" style="font-size:12px;color:var(--muted);margin:10px 0 0">Select at least one NVIDIA GPU to enable NVIDIA validate tasks.</p>
+  </div>
+</div>
+
 <div class="grid3">
-` + renderSATCard("nvidia-selection", "NVIDIA GPU Selection", "", "", renderValidateCardBody(
-		inv.NVIDIA,
-		`Select which NVIDIA GPUs to include in Validate. The same selection is used by both NVIDIA GPU cards below and by Validate one by one.`,
-		`<code>nvidia-smi --query-gpu=index,name,memory.total</code>`,
-		`<div id="sat-gpu-list"><p style="color:var(--muted);font-size:13px">Loading NVIDIA GPUs…</p></div><div style="display:flex;gap:8px;flex-wrap:wrap;margin-top:8px"><button type="button" class="btn btn-sm btn-secondary" onclick="satSelectAllGPUs()">Select all</button><button type="button" class="btn btn-sm btn-secondary" onclick="satSelectNoGPUs()">Clear</button></div><div id="sat-gpu-selection-note" style="font-size:12px;color:var(--muted);margin-top:8px"></div>`,
-	)) +
-		renderSATCard("nvidia", "NVIDIA GPU", "runNvidiaValidateSet('nvidia')", "", renderValidateCardBody(
+` + renderSATCard("nvidia", "NVIDIA GPU", "runNvidiaValidateSet('nvidia')", "", renderValidateCardBody(
 			inv.NVIDIA,
 			`Runs NVIDIA diagnostics and board inventory checks.`,
 			`<code>nvidia-smi</code>, <code>dmidecode</code>, <code>dcgmi diag</code>`,
diff --git a/audit/internal/webui/server_test.go b/audit/internal/webui/server_test.go
index 2d0c7e0..e19a422 100644
--- a/audit/internal/webui/server_test.go
+++ b/audit/internal/webui/server_test.go
@@ -711,6 +711,8 @@ func TestValidatePageRendersNvidiaTargetedStressCard(t *testing.T) {
 		`controlled NVIDIA DCGM load`,
 		`<code>dcgmi diag targeted_stress</code>`,
 		`NVIDIA GPU Selection`,
+		`All NVIDIA validate tasks use only the GPUs selected here.`,
+		`Select All`,
 		`id="sat-gpu-list"`,
 	} {
 		if !strings.Contains(body, needle) {