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Anker 777 Review 2026 - Specs, Pros & Cons

7.2 Very Good
Adrian Cel By Adrian Cel

The Anker 777 is the older Apex-branded Thunderbolt 4 dock in Anker's lineup. It is a 12-in-1 desktop dock with a 40 Gbps Thunderbolt 4 host connection, up to 90W laptop charging, two HDMI ports, one downstream Thunderbolt 4 port, Gigabit Ethernet, UHS-II SD, audio, four USB-A ports, and a 10 Gbps USB-C port with 20W charging. The appeal is simple: it gives Windows users two built-in HDMI ports without forcing them to buy USB-C display adapters. Anker's support docs list single 8K@30Hz over downstream Thunderbolt 4, dual 4K@60Hz, and triple-monitor support with both HDMI ports plus the downstream Thunderbolt port. The catch is compatibility. Anker says the 777 needs a Windows 10 Thunderbolt 4 laptop on the Intel Evo platform or a non-M1 MacBook running macOS 11 or later. It does not support Thunderbolt 3 Windows laptops, USB-C only laptops, Linux, ChromeOS, or M1 MacBooks. For Mac users, both HDMI ports mirror each other instead of acting as two independent extended displays. That makes the 777 a better match for Windows desks than Mac desks.

Best older Anker Thunderbolt 4 dock for HDMI monitors

Pros & Cons

What We Like

  • 90W host charging covers most thin-and-light and many creator laptops
  • Two built-in HDMI ports make Windows dual-monitor desks easier to cable
  • Downstream Thunderbolt 4 port supports 40 Gbps data, 15W charging, and up to 8K@30Hz display output
  • Front USB-C port provides 10 Gbps data and 20W phone charging
  • Includes UHS-II SD and a 3.5 mm audio jack, which the newer Anker 778 omits

What Could Be Better

  • Not a good Mac dock because M1 models are unsupported and HDMI displays mirror on macOS

    Workaround: Mac users should choose a dock with more downstream Thunderbolt ports, such as the CalDigit TS4, or verify their exact Mac and display behavior before buying.

  • Only one downstream Thunderbolt 4 port limits daisy chaining

    Workaround: Choose a hub-style Thunderbolt 4 dock if you need several Thunderbolt accessories connected at once.

  • Triple-display mode drops the HDMI outputs to 4K@30Hz on Windows

    Workaround: Use dual 4K@60Hz for smoother desktop work, or consider a newer dock if triple 4K@60Hz matters.

  • PCWorld reported display compatibility issues during testing

    Workaround: Keep laptop BIOS, Thunderbolt firmware, graphics drivers, and monitor firmware updated, and test the dock during the return window.

  • USB-A layout includes two USB 2.0 ports that are only suitable for low-bandwidth peripherals

Display Support

Max Displays: 3
1 display (Single 8K@30Hz via the downstream Thunderbolt 4 port on supported Windows hosts.)
7680x4320 @ 30Hz
1 display (Anker lists single 5K@60Hz via the downstream Thunderbolt 4 port for macOS.)
5120x2880 @ 60Hz
2 displays (Dual 4K@60Hz via one HDMI port and the downstream Thunderbolt 4 port. Windows can also use both HDMI ports for dual 4K@60Hz.)
3840x2160 @ 60Hz
3 displays (Triple display on Windows uses both HDMI ports at 4K@30Hz plus the downstream Thunderbolt 4 port at 4K@60Hz. macOS mirrors the HDMI outputs instead of extending them independently.)
3840x2160 @ 30Hz

Ports & Connectivity

USB Ports

1x USB-C 3.2 20W
2x USB-A 3.2
2x USB-A 2.0

Video Outputs

1x Thunderbolt 4
2x HDMI 2.0

Network

1x Ethernet (1 Gbps)

Audio

1x 3.5mm combo

Card Readers

1x SD (SD 4.0 / UHS-II)

Full Specifications

General
Manufacturer Anker
Model A8397
Release Date 2021-06
MSRP $349.99
Connectivity
Host Connection Thunderbolt 4
Max Data Rate 40 Gbps
Driver Required No (native)
Display Output
Max Displays 3
1x Display 7680x4320 @ 30Hz (Single 8K@30Hz via the downstream Thunderbolt 4 port on supported Windows hosts.)
1x Display 5120x2880 @ 60Hz (Anker lists single 5K@60Hz via the downstream Thunderbolt 4 port for macOS.)
2x Display 3840x2160 @ 60Hz (Dual 4K@60Hz via one HDMI port and the downstream Thunderbolt 4 port. Windows can also use both HDMI ports for dual 4K@60Hz.)
3x Display 3840x2160 @ 30Hz (Triple display on Windows uses both HDMI ports at 4K@30Hz plus the downstream Thunderbolt 4 port at 4K@60Hz. macOS mirrors the HDMI outputs instead of extending them independently.)
Ports (8+ total)
USB-C 3.2 1x (20W)
USB-A 3.2 2x
USB-A 2.0 2x
Thunderbolt 4 1x
HDMI 2.0 2x
Ethernet (RJ45) 1x 1 Gbps
Audio (3.5mm-combo) 1x
SD Card Reader 1x
Power
Power Input DC-barrel
Laptop Charging Up to 90W

Compatibility

Windows (10+)

Best fit for Windows 10 Thunderbolt 4 laptops on Intel Evo. Anker does not list Thunderbolt 3 Windows laptops as supported.

macOS (11 (Big Sur)+)

Supported only on non-M1 MacBooks according to Anker. Mac HDMI outputs mirror each other, so extended display layouts are more limited than on Windows.

Known Issues

M1 MacBooks, including M1 Pro and M1 Max

Not compatible according to Anker

Thunderbolt 3 or USB-C only Windows laptops

Unsupported host connection

Linux and ChromeOS laptops

Not compatible according to Anker

Mac users who need two independent HDMI displays

HDMI outputs mirror on macOS

7.2 /10

Our Verdict

Very Good

The Anker 777 is useful when you specifically want a Thunderbolt 4 dock with built-in HDMI. Its port mix still holds up: 90W charging for the laptop, a 20W front USB-C port for a phone, one downstream Thunderbolt 4 port, two 10 Gbps USB-A ports, two USB 2.0 ports for low-bandwidth gear, Gigabit Ethernet, UHS-II SD, and a 3.5 mm audio jack. TechAdvisor liked the pricing and HDMI-first display layout, especially for Windows users with two HDMI monitors. PCWorld was less impressed, reporting display compatibility trouble on one test laptop and calling the MSRP high for the experience. That is the right way to think about it. The 777 is not a safe universal dock. It is a Windows-first Thunderbolt 4 dock with stronger built-in display convenience than Thunderbolt expansion. If your laptop is supported and your monitors are HDMI, it can be a tidy setup. If you use Apple Silicon, need several downstream Thunderbolt ports, or want the least fussy premium dock, a CalDigit TS4, Anker 778, or newer Thunderbolt 5 option is easier to recommend.

Available at Amazon

Frequently Asked Questions

Does the Anker 777 support three monitors?
Yes, but mainly on Windows. Anker lists triple-monitor support using both HDMI ports at 4K@30Hz plus the downstream Thunderbolt 4 port at 4K@60Hz. On macOS, the two HDMI outputs mirror each other, so triple extended display is not the right expectation.
Can the Anker 777 charge my laptop?
Yes. The upstream Thunderbolt 4 host port can deliver up to 90W to the laptop. The dock also has a 20W USB-C Power Delivery port and 15W charging from the downstream Thunderbolt 4 port for smaller devices.
Does the Anker 777 work with M1 or M2 MacBooks?
Anker says the 777 does not support M1 MacBooks, including M1 Pro and M1 Max models. The support articles predate later M2, M3, and M4 MacBooks, but the safer advice is the same: do not buy this dock for Apple Silicon unless you have confirmed your exact setup.
What ports does the Anker 777 have?
The 777 has one upstream Thunderbolt 4 host port, one downstream Thunderbolt 4 port, one 10 Gbps USB-C port with 20W charging, two 10 Gbps USB-A ports, two USB-A 2.0 ports, two HDMI ports, Gigabit Ethernet, UHS-II SD, and a 3.5 mm audio jack.
Is the Anker 777 better than the Anker 778?
The 777 is better if you want UHS-II SD, audio, and two HDMI ports in an older Windows-first dock. The 778 is better for newer multi-monitor Windows setups because it adds 100W laptop charging, dual DisplayPort, and broader four-display support. Neither is the best choice for most MacBook desks.

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