Check the listing for details. Satechi USB-C Clamp Hub Adapter for Apple Studio and 2021 24" iMac. Color: Silver, Condition: New. Listed at 54.99 USD. DESIGNED FOR 24-INCH IMAC - exclusively designed for 2021 iMac (24-inch) models to extend your USB ports for fast data transfer and access to peripherals – all with a plug and play design EVERYTHING WITHIN REACH - gives 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 INSTALLATION - its 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 SLEEK & MODERN - available in silver, the Clamp Hub’s sleek aluminum design is the perfect complement to your 2021 iMac, adding both functionality and style to your modern workspace COMPATIBLE WITH - fits Apple Studio Display and 2021 iMac (24-inch) models only. Due to the new 2021 iMac design, this hub will not fit 2020 and earlier models. Designed to fit the 2021 iMac (24-inch), the Satechi USB-C Clamp Hub provides convenient access for all your most-loved ports and peripherals. Featuring a USB-C data port, three USB-A 3.0 data ports, and micro/SD card reader slots, the USB-C Clamp Hub upgrades your iMac’s functionality while maintaining a sleek aesthetic. Simply, plug into one of your iMac’s backside USB-C ports and use the adjustable knob to fasten the hub onto the bottom of your desktop computer.