# Acer A640 4K USB Webcam

The Acer A640 is a 4K USB webcam listed with CMOS imaging, autofocus and a physical privacy shutter. Its claimed noise-cancelling microphone and low-light correction suit calls and streaming, while the listing's technical details include inconsistent camera specifications that buyers should review before relying on particular optics or zoom figures.

- [Original product page](https://bargainpostbox.co.uk/product/acer-a640-4k-usb-webcam)
- [View offer](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Acer
- Model: A640
- Price: 30.70 GBP
- Previous price: 49.99 GBP
- Discount: 39%
- Price checked: 2026-11-13T05:52:46.547Z
- Rating: 4.6 / 5
- Reviews: 456

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

- The listing claims 4K video capture and a CMOS sensor, with PDAF autofocus described in the product title and feature text.
- A claimed physical privacy shutter can cover the lens when the camera is not in use.
- The listing describes AI noise cancellation for the microphone and automatic low-light correction.
- A USB-A to USB-C adapter is claimed in the feature text, alongside plug-and-play setup.

## Pros

- Autofocus, a physical shutter and a claimed microphone are useful for video calls without a separate camera or microphone setup.
- USB connectivity and the claimed USB-A to USB-C adapter offer connection options for different computer ports.
- Customer feedback mentions clear-looking images and straightforward setup.

## Specifications

### Identity
- Brand: Acer
- Model: A640
### Display and video
- Screen size: 2 Inches
- Video capture resolution: 4K
- Effective still resolution: 2160 MP
- Effective video resolution: 8.29 MP
- Maximum display resolution: UHD MP
### Camera optics
- Sensor technology: CMOS
- Focus type: Auto Focus
- Maximum focal length: 26 Centimeters
- Minimum focal length: 10 Centimeters
- Maximum aperture: 2.8 Millimetres
- Lens type: Zoom
- Optical zoom: 1 x
- Digital zoom: 4 x
- Zoom type: Digital
- Image stabilisation: No
### Connectivity and controls
- Connection listed: USB
- Compatible device: Personal Computer
- Colour: Black
- Listed feature: Low Light
### Dimensions and installation
- Weight listed: 0.29 Pounds

## Before you buy

- Listing details are inconsistent or unconfirmed: 4K capture is claimed, while maximum display resolution is given as "UHD MP" and still resolution as "2160 MP". It also lists a 1 x optical zoom, 4 x digital zoom and Zoom lens, but gives focal lengths in centimetres and aperture in millimetres. Confirm the relevant video mode and optical details if they matter to your setup.

## A good fit for

- PC users looking for a USB webcam for calls, meetings or streaming.
- Buyers who want autofocus and a physical lens shutter.
- Users interested in the claimed low-light correction and noise-cancelling microphone.

## Less suited to

- Buyers who need independently established video modes, frame rates or precise lens specifications before purchase.
- Those seeking a wireless webcam, since the connection is listed as USB.

## Customer feedback

Customer feedback highlights perceived image clarity, ease of setup and autofocus, with some positive comments about performance and value. Those impressions are relevant to video calls and streaming, but they do not resolve the listing's inconsistent resolution and lens details. The overall rating distribution is mostly five-star, with a smaller spread of lower ratings, so experiences are not uniformly positive.
- Positive themes: Customer feedback describes clear picture quality and easy setup.
- Positive themes: The customer summary includes positive comments about focus and video-stream performance.

## Frequently asked questions

### Does the Acer A640 claim 4K video?
Yes. Video capture resolution is listed as 4K, but the display and still-resolution entries use inconsistent values and units. Confirm the actual mode if precise output is important.
### Does it include a privacy shutter?
The feature text claims a physical shutter that slides closed over the lens.
### How does it connect to a computer?
The connection is listed as USB. The feature text also claims a USB-A to USB-C adapter and plug-and-play operation.
### Is a microphone included?
The title and feature text describe a microphone with AI noise cancellation.

## Alternative options

- [Acer 1080p Webcam USB Plug and Play Webcam for PC with Noise Cancellation Microphones Computer Camera for Desktop Streaming Gaming Online Meeting Wide Angle Privacy Cover A-to-C Adapter Easy Setup](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)
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- [YIMONA FHD 1080P/30fps Webcam for PC/Laptop/Mac, 110° View Webcam with Mics, Privacy Cover, Auto Light Correction, Fixed Focus, Plug&Play USB Web Camera for Live Streaming, Video Calling, Conferences](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)
- [TOALLIN Wireless Webcam for PC, 1080P Full HD, Built-in Noise Canceling Mic \| Wireless Computer Camera for Video Conferencing, Live Streaming, Online Video Calls](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)
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## Add-ons

- [Logitech MK270 Wireless Keyboard and Mouse Combo for Windows \| 2.4 GHz Wireless, Compact Mouse, 8 Multimedia Keys, 2-Year Battery, for PC/Laptop, QWERTY UK English - Black](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)
- [Logitech H390 Wired Headset for PC/Laptop, Black \| Laptop headset with microphone, USB-A plug-and-play, in-line controls, stereo sound, works with Chromebook](https://bargainpostbox.co.uk/visit/acer-a640-4k-usb-webcam)

## Images

![Acer A640 4K USB Webcam — 1](https://bargainpostbox.co.uk/i/7OvERS27EPFOlBT9In2njhbxA2rgDboJ1hn3P2D9dTKAbtU3Yl3NS0rfeqSipW0IqtYjLJiZvby4h0PkPWiYVfpwx5G24kjE7k26eFSbQ5NlQqwF3wSaeH3Z.jpg)

![Acer A640 4K USB Webcam — 2](https://bargainpostbox.co.uk/i/_KX_aha0KVxiyjMWDvk90l5-bo88h08grm4wSPuGgargAUvQCatxKDDoDxaY10ac5el7FC1K0GJZkyyacahsIw6BNVG2VLfngcU8VUOnnefblr2grTPeNIkY.jpg)

![Acer A640 4K USB Webcam — 3](https://bargainpostbox.co.uk/i/TZwSmEjspcBRdaNCfsggcQQeoiAHpphninUcTJfzbfx8jsZa7LTp8pt-UhVO1lylyrpS8ZHBHoLjqZKvQ3qxdnuDMNVvjNOYvdf_MDmxMr9eH1uXB33I2ztP.jpg)

![Acer A640 4K USB Webcam — 4](https://bargainpostbox.co.uk/i/6jbiDGesa6yBz7dOU8n6ypuLbkdrG93URehps6r5H3KFalB120QYFl7vfBRFB8IJTZZ__JfBo1SfWSrYU8hjHR-LIM7Dg2WjI_lCCCQ2PluMah2nJDklMrOs.jpg)

![Acer A640 4K USB Webcam — 5](https://bargainpostbox.co.uk/i/FSTg5hAgVVQEw7qcK_3uAupT9VI8fFIlDVYqnftfq0Z4S0UeAdSwrdxfXG6-ypWUgsK6VPGLSMKsBR_Ki89mXjGw7kPyrGbbYmP86fJ8Jri0JXvKFo-ODd9V.jpg)

![Acer A640 4K USB Webcam — 6](https://bargainpostbox.co.uk/i/GFVwNus3dF99r6k9keASbqwOzgiYBg52IfyMRHCAMXQen-oydiDDcj6wNv7U3w8z14GjGxur4zgw6c2NzOG6qYRftPWgnu-Y_peNnv3I3OA43vfXleHAB03Y.jpg)

![Acer A640 4K USB Webcam — 7](https://bargainpostbox.co.uk/i/QGOV_OQkAI7bvjoJNsTOTf1NJjWRw_6wjPe-BvmfAmr1Iqwhp-4a7hT9WBxXPbZ5hjRyaeHchY8QNf6LNB_0rsSZFpz6A36OslJ8qVVbAzOaHz_ZAl5Lhkx2.jpg)