- 4 Port Aluminum USB 2.0 Hub For Mac Sleek Apple-Style Design is Ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini. Gain Four Downstream Ports Which Offer High-Speed (480Mbps), Full-Speed (12Mbps), And Low-Speed (1.5Mbps). Backwards Compatible With 1.1 Devices and Hosts.
- The hub comes with 4 additional USB ports, and it’s compatible with MacPro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini. The USBs are 2.0, which works for most devices, but the data transfer rate is up to 480 Mbps.
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Anker 4-Port USB 3.0 Unibody Aluminum Portable Data Hub with 2ft USB 3.0 Cable for Macbook, Mac Pro / mini, iMac, XPS, Surface Pro, Notebook PC, USB Flash Drives, Mobile HDD, and More Add To Cart There is a problem adding to cart.
What is USB?
USB is an industry standard for connecting computers and other devices. Many Mac computers have USB-A ports (sometimes referred to as USB 3 ports), which look like this:
It can help you regain a brand new disk.Note: formatted data will be permanently lost, can’t be recovered by any software or method. ![Formatting ssd for mac Formatting ssd for mac](https://eclecticlightdotcom.files.wordpress.com/2018/12/secureerase02.jpg?w=1024)
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USB 3.0 and USB 3.1 Gen 1 can transfer data up to 5 Gbps, and USB 3.1 Gen 2 can transfer data up to 10 Gbps.
What is USB-C?
USB-C describes the shape and style of a port on your computer and the connectors that you can plug into the port. USB-C ports look like this:
Several different data transfer standards, like USB 3 and Thunderbolt 3, can flow through a USB-C port and connector. You can also connect your computer's AC power adapter to a USB-C port with a compatible USB-C charging cable.
USB-C ports are reversible, so you don't have to worry about which side of the connector is up when you plug it in.
These Mac computers have Thunderbolt 3 (USB-C) ports that support USB 3.1 Gen 2 and Thunderbolt 3:
- iMac Pro (2017)
- iMac (Retina 5K, 27-inch, 2017)
- iMac (Retina 4K, 21.5-inch, 2017)
- iMac (21.5-inch, 2017)
- MacBook Pro (2016 and later)
These Mac notebooks have USB-C ports that support USB 3.1 Gen 1:
- MacBook (2015 and later)
You can use your USB 3 devices with the above Mac models using an appropriate adapter.
What version of USB does my Mac support?
You can use System Information or System Profiler to see what type of USB ports your Mac has, how fast these ports are, and what's currently connected to them. Learn more about identifying USB ports on your Mac.
What transfer rates does USB offer?
USB 3.1 Gen 2 can transfer data up to 10 Gbps. Newer Mac models with Thunderbolt 3 (USB-C) ports support these speeds.
Speeds of previous USB versions:
- USB 3 and USB 3.1 Gen 1 can transfer data up to 5 Gbps.
- USB 2 can transfer data up to 480 Mbps.
- USB 1.1 can transfer data up to 12 Mbps.
Does USB 3 offer more power than USB 2?
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USB 3 devices can use up to 900mA of power (compared to 500mA used by USB 2 devices). You'll need to use a USB 3 cable to use the 900mA of power available. USB 2 cables don't support 900mA.
Why don't I see blue inserts on the USB ports of my Mac?
Some manufacturers use a blue insert to designate a USB 3 port or device. All USB ports on Mac computers that support USB 3 are USB 3 capable and don't have blue inserts.
What USB 3 devices are supported?
All devices that conform to what is commonly referred to as the '2008 version 1 USB 3.0 specification' are supported.
Are USB 3 hubs supported?
Hubs that conform to what is commonly referred to as the '2008 version 1 USB 3.0 specification' are supported.
How do I get the best performance from the USB 3 ports?
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The first device you plug in will configure the port, so always connect USB 3-capable hubs or devices first.
What happens if I plug in a USB 2 device into the USB 3 port first?
If you plug in a USB 2 hub first, all devices connected or 'daisy-chained' to that hub will operate up to the maximum transfer rate of USB 2 speed (480 Mbps).
What happens if I plug my USB 3 device into a USB 2 port?
Your device should be backwards-compatible with USB 2 ports. However, you won't get USB 3 speed and power may be limited to 500mA.
Is USB 3 supported in Windows 7 and 8 using Boot Camp?
Yes. USB 3 is supported natively in Windows 8. See Boot Camp: Frequently asked questions about installing Windows 8 for more information.
To implement USB 3 support on Windows 7 using Boot Camp, download and install the Windows Support Software (drivers). See Boot Camp: Installing Windows 7 Frequently Asked Questions for more information.
To implement USB 3 support on Windows 7 using Boot Camp, download and install the Windows Support Software (drivers). See Boot Camp: Installing Windows 7 Frequently Asked Questions for more information.
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Are there differences between USB 3 cables and other USB cables?
Yes. USB 3 cables:
- Use more wires than other USB cables. This makes USB 3 cables a bit thicker than other USB cables.
- Usually have a blue insert.
- Have an 'SS' symbol on the connector that plugs into the computer.
- Use a different connector on the device end than USB 2 cables.
- Can deliver more power to an attached device (900mA).
Can I use a USB 2 cable to connect a USB 3 device to my computer?
If the device end of the cable fits into the connector on the device, yes. However, because it has fewer wires, you won't get USB 3 speed and power may be limited to 500 mA.
How can I determine if my device is connected as a USB 3 device?
![Mac Mac](https://www.imore.com/sites/imore.com/files/styles/large/public/field/image/2016/10/anker-4-port-usb-hub-mac-01.jpg?itok=knaY0G2L)
Use the System Information utility:
- From the Apple () menu, choose About This Mac.
- Click System Report.
- Under the Hardware heading on the left side of the System Information window, click USB.
USB 3 devices appear under USB 3.0 Bus, and USB 2 devices appear under USB 2.0 Bus. Click the device names to learn more about each one.
Why do my USB 3 devices seem to only work at USB 2 speed when I use virtualization software on my Mac?
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Some virtualization software doesn't yet support USB 3. Contact the manufacturer of your virtualization software for more information. Microsoft flight sim x for mac.
Why don't some USB 3 devices activate or appear on the USB 3 bus?
Try these tips if a USB 3 device doesn't activate or appear on the USB 3 bus:
- Be sure you've installed the latest software updates available for your computer. To check, choose App Store from the Apple menu and see if any updates are available.
- Sometimes unplugging and plugging the device back in can resolve the issue.
- Try plugging the device into another USB port on the computer.
- Check to see if a firmware update is available for your device from the manufacturer.
- If the device came with an AC adapter, use it.
- Restart your computer.
- Try a different USB 3 cable.
- Try a different USB 3 hub.
Why do I have difficulty with Wi-Fi or Bluetooth devices when USB 3 devices are attached to my computer?
Some USB 3 devices can generate radio frequency interference that can cause Wi-Fi and Bluetooth devices operating in the 2.4GHz band to have issues communicating with your computer. Here are some tips to avoid this issue:
- If your USB device has a cable long enough that you can move the device, place it away from your Mac—and make sure not to place it behind your Mac, or near the hinge of its display. The antennas for Wi-Fi and Bluetooth are located there, and USB 3 devices placed there might interfere with your wireless connections.
- If you're using adapters or dongles on a Mac computer with Thunderbolt 3 (USB-C) ports, plug them into the front port on the left side of your Mac, or into the ports on the right side (if your computer has them). These ports are the farthest away from the antennas, making interference less likely.
- To avoid interference on the 2.4GHz band using Wi-Fi, try using the 5GHz band instead. You can change this on your wireless base station. Bluetooth always uses 2.4GHz, so this alternative isn't available for Bluetooth.
Symptoms
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Symptoms such as these could mean that a device connected to the USB-A , USB-C , or Thunderbolt (USB-C) port on your Mac isn't getting enough power:
- A message says that the device needs more power, the operation can't be completed, or USB devices are disabled until you unplug the device using too much power.
- An operation that requires more power doesn't work. For example, writing to disk requires more power than reading from it.
- The device doesn't turn on or isn't recognized by your Mac.
Solutions
- Use your device as a self-powered device, such as by plugging it into an electrical outlet, if possible.
Self-powered devices get power from an electrical outlet or their own battery. Bus-powered devices get power from the device they're plugged into, such as your Mac. - Reduce the total amount of power needed from your Mac by reducing the number of bus-powered devices connected to your Mac, or using more of them as self-powered devices.
- If your device is plugged into another device as part of a chain of devices, the other device might not be providing enough power or passing through enough power from your Mac. Plug your device directly into your Mac instead.
- Make sure that the port on your Mac and the cable you're using to connect it to your device both support the same or later USB specification as your device. For example, a device designed to support the USB 3 specification might not get enough power when plugged into a USB 2 port or cable.
- Try a different cable, in case the cable that you're using is damaged or defective. If you're using an adapter with your cable, the adapter could also be damaged or defective.
- If your device has software (such as drivers or firmware) that can be updated, make sure that it's using the latest software from the manufacturer. To get firmware updates for Apple accessories, update your Apple software.
- Make sure that your Mac is awake and started up from the Mac operating system. Some Apple devices can request extra power only when your Mac is awake or started up from macOS.
Learn more about USB power on your Mac
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System Information provides additional detail about USB power on your Mac. Connect the USB device directly to your Mac, then select USB from the sidebar in System Information. For each USB device, System Information shows:
- Current Available: The default power provided by the port to which your device is connected.
- Current Required: The power needed by your device.
- Extra Operating Current: Mac computers and Apple displays introduced after 2006, when directly connected to certain Apple devices such as iPhone or iPad, can provide extra power over one or more ports. The Mac or display must be powered on and awake to provide this extra power. A Mac started from the Windows operating system doesn't provide extra power.
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Learn more about the power available under each USB specification, such as USB 2 and USB 3.