Complete with a wireless mouse and keyboard, a crisp 5-megapixel webcam, and surprisingly effective stereo speakers, the Chromebase 22 is a splendid home PC if you can do your computing in the cloud and don't need high-end apps, like Adobe Photoshop. It's especially suited for students who use school-supplied Chromebooks during the day, and so they'll already be used to the interface. Adding an extra terabyte or so is also easy with an external drive. SSDs cost more per gigabyte than regular spinning hard drives, but SSDs boot up and wake from sleep so much faster than regular drives that we highly recommend them as boot drives. Unfortunately, some AIO PCs are hard or impossible to upgrade yourself, so make sure you get what you need at the start. It is ideal for running office applications such as Microsoft Word, Excel or multimedia tasks such as watching videos or editing photos. Ergonomic mouse - You’ll be using you mouse a lot, so it’s important that it feels comfortable. Ergonomic mouse designs pay special attention to the contours of your hand, with natural button placement. They’re not for everyone, and can feel a bit strange initially, but can be useful for eliminating some conditions, such as RSI.

Touch capability is common on many all-in-one computers, but not on Apple's iMac. If you want touch or stylus support, you'll definitely want to get a Windows machine.Read our full Dell Inspiron 24 All-in-One review How to choose the best all-in-one computer for you

Finance is only available to permanent UK residents aged >18, subject to status, terms and conditions apply. If you're a casual, everyday user looking for an all-in-one desktop, you should be happy with this one. For those of you who may not make extensive use of the mobility, we'd still recommend it as an effective general-use AIO. For those who may want to move it around the house or office, it's painless to do so, and various family members can enjoy it for a range of tasks. Just note that the performance doesn't hit the higher end of some more potent AIOs, if that's what you need.When shopping for a new desktop like one of the best all-in-one computers listed above, it helps to have a clear idea of what your intended uses are for the new system. If you're after a basic machine for web browsing, there are plenty of budget systems that will fit the bill, but more demanding uses like editing photo and video or even creating new artistic content will demand a more powerful system. Since these units are always plugged in, you might want to also invest in a good surge protector to make sure your all-in-one stays in good shape. How we test all-in-one PCs The E27401 features a large 27” Full HD AHVA Display with a resolution of 1920 x 1080 allowing for sharp/crisp replication of colours on screen.

If you’re tight on space, you might want to consider getting an all-in-one computer because it will only be the size of the monitor and stand - no tower required. What are the disadvantages of all-in-one computers? Less powerful - as mentioned above, they often use laptop-grade components instead of more powerful desktop-grade ones. This is fine, but if absolute performance is a must, you should opt for a big tower instead.Equipped with a 10-core Intel Xeon processor, workstation grade graphics and a mind-bending 128GB of RAM, this machine is pure power. Despite its age, this is probably still the best all-in-one computer for anyone that wants to keep the sleek iMac design, but needs serious power in a workstation.