description Apple USB-C Digital AV Multiport Adapter Overview
The Apple USB-C Digital AV Multiport Adapter is a proprietary connectivity dongle designed by Apple to expand the input and output capabilities of devices with limited USB-C ports. It connects to a host computer via a tethered USB-C cable and provides three downstream ports: an HDMI output for connecting external displays, a standard USB-A port for legacy peripherals, and a secondary USB-C port dedicated to power delivery. The adapter is compatible with various MacBook models and certain iPad Pro versions. It serves as a solution for users who need to connect external monitors while simultaneously charging their devices and using wired accessories.
help Apple USB-C Digital AV Multiport Adapter FAQ
Does the Apple USB-C Digital AV Multiport Adapter support 4K at 60Hz?
The newer versions of the Apple USB-C Digital AV Multiport Adapter do support 4K resolution at 60Hz, whereas older models were limited to 30Hz. You can check the model number printed on the bottom of the white dongle to verify; model A2119 supports the upgraded 60Hz refresh rate. It utilizes the HDMI 1.4b standard to push high-definition video to external monitors or TVs.
Can I charge my MacBook through the Multiport Adapter?
Yes, the adapter features a dedicated USB-C pass-through port specifically designed for charging. You plug your MacBook's power adapter into the dongle, and the dongle connects to your laptop, providing up to 100W of power delivery. This ensures your laptop doesn't lose battery while you are using the HDMI or USB-A ports.
Does this Apple adapter work with Windows laptops?
While it is an official Apple accessory designed for MacBooks, the USB-C Digital AV Multiport Adapter uses standard display and USB protocols, meaning it will function on many Windows laptops with USB-C ports. However, the connection is generally most stable and reliable when paired with Apple hardware. There's no special Apple driver required for basic video and data transfer.
Why doesn't the USB-A port on the adapter work with my external hard drive?
The USB-A port on the Multiport Adapter is strictly a data port (USB 3.0) and does not provide enough power to run bus-powered external mechanical hard drives. It is meant for flash drives, keyboards, and mice. If your external HDD requires extra power to spin up the disk, you will need to use a powered USB hub instead of this compact adapter.
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