The Willhom A1419 Power Supply Replacement is specifically designed for the iMac 27" model released between Late 2012 and Mid 2017. This replacement part is in the same form factor as the original power supply, making it easy to install and ensuring a perfect fit for your iMac. With compatibility specifically for the A1419 model, you can trust in the quality and reliability of this product to power your iMac and keep it running smoothly.