Designed for 2021 iMacExclusively designed for 2021 iMac (24-inch) models to extend your USB ports for fast data transfer and easy access to peripherals – all with a sleek aluminum finish to complement your iMac.Everything Within ReachGives you back your frequently used ports for convenient front access to a USB-C data port (up to 5 Gbps). USB-A 3.0 data (up to 5 Gbps). and micro/SD card reader slots. USB ports do not support charging or CD readers. including Apple SuperDrive.Easy InstallationIts updated design securely fastens onto the bottom of your 2021 iMac with its adjustable knob and plugs into the one of the iMac’s backside USB-C ports – no extra tools or installation required.