This is a High Quality Mains AC-DC Switching Adaptor Power Supply. Wall Mounted 1.5M Cable Length CE Certified Velcro Cable Tidy 12.0V 1.5A 18.0W 12V 1.5A is perfect for anything 1.5A and below as amperage isn't forced. Connector size = 5.5mm x 2.1mm / 2.5mm (The inner spring inside the connector closes to 2.1mm and opens to 2.5mm).
The UK AC Adaptor 12V 1.5A ADS-18D-12N for Seagate 4TB Back Up External Hard Drive is suitable for users who require a high-quality, fully compatible power supply for their Seagate 4TB Backup External Hard Drive for use in the UK.