can new Macbook of apple supports simultaneous charging & data transfer through usb type C port?

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I'm not exactly sure what you intend to do, but at the most basic level the answer to your question is yes.

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The Thunderbolt 3 (USB-C) ports on the 2016 and 2017 MacBook Pros can simultaneously support charging and data transfer. However, this will be dependent on the cables/adapters/hubs/docks etc being used. If they support/allow both charging and data transfer then you should have no problems.

In summary, the Thunderbolt 3 (USB-C) ports support each of the following:

  • Charging
  • DisplayPort
  • Thunderbolt (up to 40 Gbps)
  • USB 3.1 Gen 2 (up to 10 Gbps)

[UPDATE]

If you're after independent verification that multiple features are supported simultaneously, then refer to Using USB-C and Thunderbolt 3 (USB-C) ports and adapters on your Mac notebook. You'll notice, for example, that under the heading USB-C Digital AV Multiport Adapter it states:

The USB-C Digital AV Multiport Adapter allows you to simultaneously:

  • Charge your Mac.
  • Connect to other standard USB (USB-A) devices or hubs.
  • Connect your Mac to external HDMI video devices such as a TV, projector, or display.

NOTE: Bold emphasis mine.

Now, as I mentioned previously, a lot gets down to what is supported by the individual cable, adapter, etc. For example, even about its USB-C Digital AV Multiport Adapter, Apple says that:

  • The USB-A port on the adapter supports data transfer at up to 5 Gbps (USB 3.1 Gen 1) and can be used to connect standard USB devices or hubs.
  • The USB-C port on the adapter charges your computer, but it doesn't transfer data.

Note how the USB-A port on this adapter only supports speeds of up to 5 Gbps, while the MBP supports USB speeds up to 10 Gbps. Also note how USB-C port on this particular adapter is limited to only charging. However, the USB-C port on the MBP is not limited in this way, because the USB-C Digital AV Multiport Adapter connects to it and then provides simultaneous functionality to all three of its ports for charging, USB-A devices and HDMI devices.

Now, depending on your specific model of MacBook Pro (you don't specify), the data transfer speeds may vary depending on the port used. More specifically:

Thunderbolt 3 data speeds per MacBook Pro port

MacBook Pro models introduced in 2016 vary slightly in the data speeds
they provide to each Thunderbolt 3 port:

  • MacBook Pro (15-inch, 2016) delivers full Thunderbolt 3 performance on all four ports.
  • MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports) supports Thunderbolt 3 at full performance using the two left-hand ports. The
    two right-hand ports deliver Thunderbolt 3 functionality, but have
    reduced PCI Express bandwidth.
    Always plug higher-performance devices into the left-hand ports on MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports) for maximum data
    throughput.
  • MacBook Pro (13-inch, 2016, Two Thunderbolt 3 Ports) delivers full Thunderbolt 3 performance on both ports.

About USB speed

For USB devices, all 2016 MacBook Pro models deliver USB 3.1 Gen 2 (10
Gbps) performance on all Thunderbolt 3 ports.

Use a USB-C to USB adapter to connect a USB-A device or cable to a
Thunderbolt 3 port on your MacBook Pro. Use a USB 3.1 (USB-C to USB-C)
cable to connect a USB-C device.

Source: Connect with Thunderbolt 3 on your new MacBook Pro

Author: Subham

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