This product is either discontinued or we cannot get that from suppliers.
QNAP PWR-ADAPTER-65W-A02, 65W External Power Adapter, AC Adapter, Compatibility TBS-453A 4-Bay M.2 SSD NASbook.
The 65W External Power Adapter from QNAP you can power a variety of QNAP NAS and NVR products. This power adapter features features a 65 watt power supply and is designed.