https://www.cnx-software.com/2020/01/28/qnap-ts-251d-2-bay-nas-comes-with-an-intel-celeron-j4005-soc-hdmi-pcie-expandability/
QNAP TS-251D 2-Bay NAS Comes with an Intel Celeron J4005 SoC, HDMI, PCIe Expandability - CNX...
Jan 28, 2020 - Powered by an Intel Celeron J4005 Gemini Lake processor, QNAP TS-251D 2-Bay NAS support 4K via HDMI, and offer expansion options via a PCIe slot.