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Connect your Thunderbolt-equipped Mac to a high-performance 10/100/1000Base-T network with this Apple® MD463ZM/A Thunderbolt-to-Gigabit Ethernet adapter that features a built-in cable for simple setup.
Q: Is this a Thunderbolt 2 or 3?
A: Thunderbolt 2
Q: will this work with mac book pro 2019
A: No, unless you purchase another adapter. You have "Thunderbolt 3" ports on your notebook. This adapter works with "Thunderbolt or Thunderbolt 2" ports. The size and shape of these ports are different (see attached pictures).
A: No- your 2016 MacBook Pro uses Thunderbolt3 - The adapter from Apple is for Thunderbolt 1 and 2 devices - They are not compatible without a second adapter to step the TB2 port down to Type-C/Thunderbolt3 - You're better off with third party Type-C to Ethernet adapters. Apple never made one. Belkin makes a good one available here on BestBuy.com
A: Yes, this will increase speeds greatly. Comcast speed was 50mps without it & 175mps with it for me.
Q: Is this adapter also for use in windows OS?
A: I use it with my Windows 10 system- no problem
Q: Will this work on my 2011 MacBook Pro?
A: As long as you have a thunderbolt port on your machine, this will work. One warning, in my experience, they seem like a passive device, but they do fail/slow down after a couple of years. I have several MacBooks and periodically (2 years) have to change these out.
A: This has what looks to be a DisplayPort connector. You may be looking for one of these: Insignia™ USB Type-C to Gigabit Ethernet Adapter White NS-PUCGE8 - Best Buy - https://www.bestbuy.com/site/insignia-usb-type-c-to-gigabit-ethernet-adapter-white/6058900.p?skuId=6058900
Q: will this allow an HDMI cable to connect to a macbook air?
A: No this just for internet connection
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Connect your Thunderbolt-equipped Mac to a high-performance 10/100/1000Base-T network with this Apple® MD463ZM/A Thunderbolt-to-Gigabit Ethernet adapter that features a built-in cable for simple setup.

The Best Buy essentials USB-C to Ethernet Adapter enables high-speed internet access to USB-C devices. Up to 1 Gbps high-speed data transfers and fast connectivity are ideal for gaming and improved web browsing. Backed by Best Buy, our plug-and-play technology ensures a simple and effortless connection. And a compact design makes this adapter easy to carry and take on the go.

The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lets you connect Thunderbolt and Thunderbolt 2 devices - external hard drives and Thunderbolt displays, for example - to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro. As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port.*

Easily connect your Thunderbolt-equipped Mac to a FireWire device with this Apple Thunderbolt to FireWire Adapter. Small and compact, it connects to the Thunderbolt port on your Mac computer, giving you a FireWire 800 port that supplies up to 7W for bus-powered peripherals, such as hard drives and audio devices.
| Pros for Apple - Thunderbolt-to-Gigabit Ethernet Adapter - White | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Ease of use, Compatibility, Ethernet, Price | Compatibility, Overall Performance, Ease of use, Thunderbolt 2, USB-C | There were no pros for this product— |
| Cons for Apple - Thunderbolt-to-Gigabit Ethernet Adapter - White | |||
| There were no cons for this product— | Heat | Price, Size, Cable Length | There were no cons for this product— |