diff --git a/src/arm64/rockchip/rk3568-qnap-ts433.dts b/src/arm64/rockchip/rk3568-qnap-ts433.dts
new file mode 100644
index 0000000..6a99816
--- /dev/null
+++ b/src/arm64/rockchip/rk3568-qnap-ts433.dts
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2024 Uwe Kleine-König
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "rk3568.dtsi"
+
+/ {
+	model = "Qnap TS-433-4G NAS System 4-Bay";
+	compatible = "qnap,ts433", "rockchip,rk3568";
+};
+
+&gmac0 {
+	assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>;
+	assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>, <&cru CLK_MAC0_2TOP>;
+	assigned-clock-rates = <0>, <125000000>;
+	clock_in_out = "output";
+	phy-handle = <&rgmii_phy0>;
+	phy-mode = "rgmii";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_miim
+		     &gmac0_tx_bus2
+		     &gmac0_rx_bus2
+		     &gmac0_rgmii_clk
+		     &gmac0_rgmii_bus>;
+	rx_delay = <0x2f>;
+	tx_delay = <0x3c>;
+	status = "okay";
+};
+
+&i2c0 {
+	pmic@20 {
+		compatible = "rockchip,rk809";
+		reg = <0x20>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	rtc@51 {
+		compatible = "microcrystal,rv8263";
+		reg = <0x51>;
+		wakeup-source;
+	};
+};
+
+&mdio0 {
+	rgmii_phy0: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0x0>;
+	};
+};
+
+&pcie30phy {
+	status = "okay";
+};
+
+&pcie3x1 {
+	/* The downstream dts has: rockchip,bifurcation, XXX: find out what this is about */
+	reset-gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&sdhci {
+	bus-width = <8>;
+	max-frequency = <200000000>;
+	non-removable;
+	status = "okay";
+};
+
+/*
+ * Pins available on CN3 connector at TTL voltage level (3V3).
+ * ,_  _.
+ * |1234|  1=TX 2=VCC
+ * `----'  3=RX 4=GND
+ */
+&uart2 {
+	status = "okay";
+};