The Internal CD/DVD Superdrive for iMac 21.5" 27" AD-5690H is a high-quality Sony-branded optical drive designed for Mac compatibility. This desktop unit features SATA I interface, making it easy to install and use within the system. With a sleek design and reliable performance, this internal CD/DVD drive offers a convenient solution for burning, playing, and storing various optical media on your Mac computer. Ideal for users looking to upgrade or replace their existing drive with a trusted and efficient option.