diff --git a/homeassistant/components/elgato/entity.py b/homeassistant/components/elgato/entity.py
index b0c1be2871a6..8927f8d71c09 100644
--- a/homeassistant/components/elgato/entity.py
+++ b/homeassistant/components/elgato/entity.py
@@ -21,6 +21,7 @@ class ElgatoEntity(Entity):
             model=info.product_name,
             name=info.display_name,
             sw_version=f"{info.firmware_version} ({info.firmware_build_number})",
+            hw_version=str(info.hardware_board_type),
         )
         if mac is not None:
             self._attr_device_info["connections"] = {
diff --git a/tests/components/elgato/test_button.py b/tests/components/elgato/test_button.py
index f44299285d26..6f182ee191c9 100644
--- a/tests/components/elgato/test_button.py
+++ b/tests/components/elgato/test_button.py
@@ -47,6 +47,7 @@ async def test_button_identify(
     assert device_entry.model == "Elgato Key Light"
     assert device_entry.name == "Frenck"
     assert device_entry.sw_version == "1.0.3 (192)"
+    assert device_entry.hw_version == "53"
 
     await hass.services.async_call(
         BUTTON_DOMAIN,
diff --git a/tests/components/elgato/test_light.py b/tests/components/elgato/test_light.py
index b96dfcceea7f..63701721a1cc 100644
--- a/tests/components/elgato/test_light.py
+++ b/tests/components/elgato/test_light.py
@@ -68,6 +68,7 @@ async def test_light_state_temperature(
     assert device_entry.model == "Elgato Key Light"
     assert device_entry.name == "Frenck"
     assert device_entry.sw_version == "1.0.3 (192)"
+    assert device_entry.hw_version == "53"
 
 
 @pytest.mark.parametrize(