# Anker A8357 5-in-1 USB-C Hub with 4K HDMI

The Anker A8357 USB-C Hub combines HDMI, three USB-A data ports and a USB-C power input in a compact laptop adapter. It supports an external display up to 4K at 30Hz and up to 90W pass-through charging when paired with a suitable wall charger, which is not included.

- [Original product page](https://bargainpostbox.co.uk/product/anker-a8357-5-in-1-usb-c-hub-4k-hdmi)
- [View offer](https://bargainpostbox.co.uk/visit/anker-a8357-5-in-1-usb-c-hub-4k-hdmi)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Anker
- Model: A8357
- Category: Computers > Computer Accessories > Docks & Hubs
- Price: 8.99 GBP
- Previous price: 11.99 GBP
- Discount: 25%
- Price checked: 2026-11-12T15:56:21.083Z
- Rating: 4.6 / 5
- Reviews: 9857

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Three USB-A ports include one 5Gbps USB 3.0 connection for faster storage and two 480Mbps USB 2.0 connections for lower-speed peripherals.
- HDMI supports an external display at up to 4K and 30Hz, with mirror and extend modes claimed.
- Pass-through charging provides up to 90W to the laptop from a 100W input, with 10W reserved for the hub.
- The USB-C power input is for an external charger only. It does not transfer data or provide video output.

## Pros

- Adds HDMI and three USB-A connections through a single USB-C host connection.
- The 5Gbps USB-A port is a better fit for high-speed drives than the two 480Mbps ports.
- Supports up to 90W laptop charging when connected to a 100W wall charger.

## Cons

- The HDMI output is limited to 30Hz at 4K.
- Two USB-A ports are limited to 480Mbps, making them less suited to high-speed storage.
- The wall charger needed for pass-through charging is not included.

## Specifications

### Identity and connection
- Brand: Anker
- Model: A8357
- Host interface: USB Type C
- Compatible devices: Laptops
- Operating systems listed: Windows, macOS, Linux
### Ports and performance
- Number of ports: 5
- USB-A ports: two USB-A 2.0 ports, a USB-A 3.0 port
- USB 3.0 data rate: 5Gbps
- USB 2.0 data rate: 480Mbps
- Maximum HDMI output: 4K resolution at 30Hz
- HDMI modes: mirror and extend modes
- Pass-through charging to laptop: 90W pass-through power
- Power input supported: 100W
- Power reserved by hub: 10W
### Dimensions and construction
- Colour: Gray
- Enclosure material: Aluminum
- Dimensions listed: 30L x 12W x 120H millimetres
- Weight listed: 0.06 Kilograms
### Compatibility requirements and limits
- Minimum required operating system version: Mac OS 12 Monterey
- Host USB-C requirements: DisplayPort Alt Mode and Power Delivery

## Before you buy

- The listing gives inconsistent compatibility information: its operating-system details include Linux, while the manufacturer description says Linux is not compatible. It also mixes a 12 × 30 × 120 mm dimension listing with a separate 120 × 30 × 11.6 mm specification, and labels the USB-A ports as 5Gbps USB 3.0 in one place but provides a separate details field of 480 Megabits Per Second without clarifying which port that rate describes. Confirm host support for DisplayPort Alt Mode and Power Delivery, especially for the intended laptop. Customer feedback also reports mixed MacBook compatibility and charging experiences, so confirm the laptop and charger requirements before relying on it.

## A good fit for

- Laptop users who need HDMI and extra USB-A ports from a USB-C connection.
- Setups using one fast USB-A connection for a drive and two slower ports for peripherals.
- Users who want laptop pass-through charging and already have a compatible wall charger.

## Less suited to

- Users who need 4K HDMI above 30Hz.
- Those seeking several high-speed USB-A ports or USB-C data connections.
- Buyers who need a hub that works without checking host USB-C video and charging support.

## Customer feedback

Customer feedback highlights compact size, build quality, available ports and out-of-box operation as strengths, with some customers also describing it as good value. Compatibility and charging reports are mixed, including reports of successful MacBook Air use alongside reports of MacBook incompatibility and insufficient power for some laptops. These concerns matter because the hub's video and charging functions depend on host-port support and an external charger, and its pass-through claim is up to 90W rather than unlimited laptop power.
- Positive themes: Customers describe the hub as compact and well built, and appreciate its port availability and ease of use.
- Positive themes: Some customers report good value and successful use with MacBook Air.
- Mixed feedback: Compatibility feedback is mixed, with reports of successful MacBook Air use as well as reports that the hub did not work with some MacBooks.
- Mixed feedback: Charging feedback is mixed, including reports that the USB-C charging connection did not provide enough power for some laptops.

## Frequently asked questions

### Does the Anker A8357 include a wall charger?
No. The listing says the wall charger is not included. Pass-through charging requires a suitable external charger.
### How many USB-A ports does this hub have?
It has three USB-A ports: one listed as USB 3.0 at 5Gbps and two USB 2.0 ports at 480Mbps.
### What is the maximum HDMI refresh rate?
The manufacturer claims 4K output at 30Hz, with mirror and extend modes.
### Will it work with any USB-C laptop?
Not necessarily. The listing says the host USB-C port must support DisplayPort Alt Mode and Power Delivery. Its operating-system details also conflict on Linux compatibility.

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## Images

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 1](https://bargainpostbox.co.uk/i/Gls9Xpij8crUbwsku6zPNHmUb-w87I1rYtX3yJ3DppbKUvjiYF0iWk2TPleXiAaMJh_Vtk9ju_0LROf4GryCAjuNn8Ahp_6lrt3GMT6iC4an_cMjp2J-X6XP.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 2](https://bargainpostbox.co.uk/i/8_JefI8taVCnWeFsHX1lYf2xEmqktvfp7Qq72f-8glWOmc4mZ0LFQmMuyZeM3b2OEqTF3fGfB3YmlmPvI6JZWYj_D2gUCjnsjAg6dqbTI1WoCnSYjlLlqQYo.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 3](https://bargainpostbox.co.uk/i/8cjGdjth_zLg3YR_BwVFoYrZwBDg7TfR2iLP5b4Bx_2ckUu9-RuJGr8LiSFWQjYeuY_MwpRPCNjUslrTm-VmFmP4Snfcizow_eVNl8jYnqi8KDjB8CB09DlR.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 4](https://bargainpostbox.co.uk/i/aAt9I6d5ysvbtxtvyo8ECe2TvXIRYlRiWG40zfzD1_GdYtkZtE3oa1FQGWmfnAVUKK2IZ-8XlcaqtYt2xaUIQQBwOFSS1dKda5QIgH0D_l5Yeloj3l4PrWI7.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 5](https://bargainpostbox.co.uk/i/xv-bCffetLrCGsBO_UYI9-OtUUwoiWOgCpkFCV44wfTRHerss0cpROa6x3Khjb3yPwbmkAM0pTxj-J4dAcUTGDkcndDel-zDq0B88s20tDDqxSfdHdGmniNs.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 6](https://bargainpostbox.co.uk/i/wJ8XL6ZrPzYyxyyd4mKh5FFBNUDNQ_T_YzxQKUIJlbv_m_s4YlEzHBJjHA6HdLSLvY40Ak3N-jRD9tsDLo4v7X6-i-mhw9FogRn2khewvjINYObcSLjuv4al.jpg)

![Anker A8357 5-in-1 USB-C Hub with 4K HDMI — 7](https://bargainpostbox.co.uk/i/lxf-kvoNpI8PsbKcc5KIaXlV6pi3kjZLn32GN6A9FZ98KESIRs3E24220mR1XA4tzdIrzaiNFgsptFUdL5S8Uxo8fkIEUqlsZlhahziY_R5fKB0a8yTqo50c.jpg)