Dell Sonicwall TZ400 with UK PSU Dell Sonicwall APL28-0B4 Dell TZ 400 (Inc VAT)
Dell SonicWall TZ 400. Dell SonicWall APL28-0B4. (Updated May 2019). (Updated October 2019). INFO & Support. No standard power lead or power cable will be included in orders from the EU or the rest of the world as we do not have them.