diff --git a/virtweb_backend/src/libvirt_lib_structures/domain.rs b/virtweb_backend/src/libvirt_lib_structures/domain.rs
index c5ff6c2..1e49290 100644
--- a/virtweb_backend/src/libvirt_lib_structures/domain.rs
+++ b/virtweb_backend/src/libvirt_lib_structures/domain.rs
@@ -317,7 +317,7 @@ pub struct DomainCPUXML {
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 #[serde(rename = "entry")]
 pub struct OEMStringEntryXML {
-    #[serde(rename = "$text")]
+    #[serde(rename = "$text", default)]
     pub content: String,
 }
 
diff --git a/virtweb_frontend/src/widgets/forms/OEMStringFormWidget.tsx b/virtweb_frontend/src/widgets/forms/OEMStringFormWidget.tsx
new file mode 100644
index 0000000..2763d3d
--- /dev/null
+++ b/virtweb_frontend/src/widgets/forms/OEMStringFormWidget.tsx
@@ -0,0 +1,89 @@
+/* eslint-disable react-x/no-array-index-key */
+import AddIcon from "@mui/icons-material/Add";
+import ClearIcon from "@mui/icons-material/Clear";
+import {
+  Alert,
+  IconButton,
+  InputAdornment,
+  TextField,
+  Tooltip,
+} from "@mui/material";
+import { VMInfo } from "../../api/VMApi";
+import { useConfirm } from "../../hooks/providers/ConfirmDialogProvider";
+import { EditSection } from "./EditSection";
+
+export function OEMStringFormWidget(p: {
+  vm: VMInfo;
+  editable: boolean;
+  onChange?: () => void;
+}): React.ReactElement {
+  const confirm = useConfirm();
+
+  const handleDeleteOEMString = async (num: number) => {
+    if (!(await confirm("Do you really want to delete this entry?"))) return;
+    p.vm.oem_strings.splice(num, 1);
+    p.onChange?.();
+  };
+
+  return (
+    <EditSection
+      title="SMBIOS OEM Strings"
+      actions={
+        p.editable ? (
+          <Tooltip title="Add a new string entry">
+            <IconButton
+              onClick={() => {
+                p.vm.oem_strings.push("");
+                p.onChange?.();
+              }}
+            >
+              <AddIcon />
+            </IconButton>
+          </Tooltip>
+        ) : (
+          <></>
+        )
+      }
+    >
+      <Alert severity="info">
+        You can use the{" "}
+        <a
+          href="https://www.nongnu.org/dmidecode/"
+          target="_blank"
+          rel="noreferrer noopener"
+          style={{ color: "inherit" }}
+        >
+          <i>dmidecode</i>
+        </a>{" "}
+        tool on Linux to extract these strings on the guest.
+      </Alert>
+
+      {p.vm.oem_strings.map((s, num) => (
+        <TextField
+          key={num}
+          fullWidth
+          disabled={!p.editable}
+          value={s}
+          onChange={(e) => {
+            p.vm.oem_strings[num] = e.target.value;
+            p.onChange?.();
+          }}
+          style={{ marginTop: "5px" }}
+          slotProps={{
+            input: {
+              endAdornment: p.editable ? (
+                <InputAdornment position="end">
+                  <Tooltip title="Remove entry">
+                    <IconButton onClick={() => handleDeleteOEMString(num)}>
+                      <ClearIcon />
+                    </IconButton>
+                  </Tooltip>
+                </InputAdornment>
+              ) : undefined,
+            },
+          }}
+        />
+      ))}
+    </EditSection>
+  );
+}
diff --git a/virtweb_frontend/src/widgets/vms/VMDetails.tsx b/virtweb_frontend/src/widgets/vms/VMDetails.tsx
index 7959332..7e91f4c 100644
--- a/virtweb_frontend/src/widgets/vms/VMDetails.tsx
+++ b/virtweb_frontend/src/widgets/vms/VMDetails.tsx
@@ -19,6 +19,7 @@ import { TabsWidget } from "../TabsWidget";
 import { XMLAsyncWidget } from "../XMLWidget";
 import { CheckboxInput } from "../forms/CheckboxInput";
 import { EditSection } from "../forms/EditSection";
+import { OEMStringFormWidget } from "../forms/OEMStringFormWidget";
 import { ResAutostartInput } from "../forms/ResAutostartInput";
 import { SelectInput } from "../forms/SelectInput";
 import { TextInput } from "../forms/TextInput";
@@ -78,6 +79,7 @@ enum VMTab {
   General = 0,
   Storage,
   Network,
+  Advanced,
   XML,
   Danger,
 }
@@ -102,6 +104,8 @@ function VMDetailsInner(p: DetailsInnerProps): React.ReactElement {
           { label: "General", value: VMTab.General, visible: true },
           { label: "Storage", value: VMTab.Storage, visible: true },
           { label: "Network", value: VMTab.Network, visible: true },
+          { label: "Avanced", value: VMTab.Advanced, visible: true },
+
           {
             label: "XML",
             value: VMTab.XML,
@@ -119,6 +123,7 @@ function VMDetailsInner(p: DetailsInnerProps): React.ReactElement {
       {currTab === VMTab.General && <VMDetailsTabGeneral {...p} />}
       {currTab === VMTab.Storage && <VMDetailsTabStorage {...p} />}
       {currTab === VMTab.Network && <VMDetailsTabNetwork {...p} />}
+      {currTab === VMTab.Advanced && <VMDetailsTabAdvanced {...p} />}
       {currTab === VMTab.XML && <VMDetailsTabXML {...p} />}
       {currTab === VMTab.Danger && <VMDetailsTabDanger {...p} />}
     </>
@@ -361,6 +366,15 @@ function VMDetailsTabNetwork(p: DetailsInnerProps): React.ReactElement {
   return <VMNetworksList {...p} />;
 }
 
+function VMDetailsTabAdvanced(p: DetailsInnerProps): React.ReactElement {
+  return (
+    <Grid container spacing={2}>
+      {/* OEM strings */}
+      <OEMStringFormWidget {...p} />
+    </Grid>
+  );
+}
+
 function VMDetailsTabXML(p: DetailsInnerProps): React.ReactElement {
   return (
     <XMLAsyncWidget