If your Mac has Thunderbolt 3 (USB-C) ports, you can connect it using the Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter. A Thunderbolt cable or a Mini DisplayPort to Mini DisplayPort cable. A supported iMac with OS X v10.6.1 or later. See the list below for iMac models that support Target Display Mode, the type of cable you need to.
Plugging a Mini-DisplayPort monitor’s jack into a Thunderbolt 2 port on a Mac or at the end of a chain of Thunderbolt 2 devices was supported through clever backwards compatibility that fails. A Mac notebook or desktop with a Mini DisplayPort or Thunderbolt port. If your Mac has Thunderbolt 3 (USB-C) ports, you can connect it using the Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter.
Thunderbolt 3 offers a connection with state-of-the-art speed and versatility. Delivering twice the bandwidth of Thunderbolt 2, it consolidates data transfer, video output, and charging into a single compact connector. And with the integration of USB-C, convenience is added to the speed of Thunderbolt to create a truly universal port.
Imac Thunderbolt Not Working
Supports up to four 4K displays or up to two 6K displays1
Connect new and existing devices
Blackmagic eGPU and eGPU Pro. More power to every pixel.
Blackmagic Design has created two external GPUs (eGPUs) ideal for your Thunderbolt 3–enabled Mac.2 So you can have desktop-class graphics performance without giving up the portability of a notebook. Housed in an all-in-one aluminum enclosure, Blackmagic eGPUs are powerful yet quiet, charge your Mac using Thunderbolt 3, and have built-in I/O connections to drive both a Thunderbolt 3 display and VR accessories simultaneously. Choose the Blackmagic eGPU to accelerate pro apps and enjoy supersmooth gaming or the Blackmagic eGPU Pro for the ultimate workstation-class graphics performance for your pro app workflows and VR content creation.
Buy Blackmagic eGPU
Buy Blackmagic eGPU Pro
Transferring data at speeds of up to 40Gb/s, which is two times faster than Thunderbolt 2 and eight times faster than USB 3, Thunderbolt 3 delivers the fastest connection to any dock, display, or device. You can also daisy-chain up to six Thunderbolt devices through a single port without needing a hub or a switch. So connecting a storage device to your computer, and then a display to your storage device, works as it’s meant to — with powerful throughput.8
Less than one minute to copy 25,000 photos
6K resolution. 20.4 million pixels.
One remarkable cable.
Thunderbolt 3 provides twice the display bandwidth of Thunderbolt 2, enabling your Mac to support up to four 4K displays or up to two 6K displays.1 Which means that with two Thunderbolt controllers in the 16-inch MacBook Pro, you can send graphics to dual 6K displays for the perfect high-resolution photo and video editing setup. Thunderbolt 3 connects to DisplayPort displays and monitors with a cable, while supporting HDMI and VGA displays with the use of an adapter.
With Thunderbolt 3, a single USB-C port can deliver power in both directions. So a port can charge a device or, alternatively, be charged by one. And it’s capable of delivering up to 100 watts of power, so a single cable can be used to connect to a dock or display and charge your MacBook Pro or MacBook Air simultaneously.
Up to 15W for
bus-powered devices
Up to 15W for bus-powered devices
Compatible with your existing devices.
Thunderbolt 3 with USB-C technology is a truly universal connection. With the help of an adapter or cable, you can connect just about any of your devices, including your existing Thunderbolt 2 devices.
Displays
Plug into displays using HDMI, VGA, DVI, DisplayPort, or Thunderbolt.
iOS Devices
Connect to iOS devices like iPhone and iPad.
Accessories
Use peripherals compatible with USB‑A, SD, Micro‑B, and Mini‑B.
Performance
Connect external graphics processors like the Blackmagic eGPU and external hard drives for extra storage.
The Thunderbolt 3 (USB-C) ports on MacBook Pro, MacBook Air, iMac Pro, iMac, and Mac mini are fully compatible with your existing devices and displays. Use the chart below to find out which adapter or cable you’ll need to connect to the ports on all your favorite devices.
Shop adaptersConnect to your Thunderbolt 3–enabled Mac using
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
USB-C
USB-A
Lightning
Micro-B
Mini-B
Ethernet
HDMI
Apple USB-C Digital AV Multiport Adapter or
USB-C to HDMI adapter
DisplayPort
VGA
Apple USB-C VGA Multiport Adapter or
USB-C to VGA adapter
SD
DVI
Mac Mini Thunderbolt To Hdmi
Get the accessories, cables, and adapters you need.
Equipped with Thunderbolt 3, your Mac is ready to connect to a broad ecosystem of devices.
Shop all Mac accessories