Dell's OptiPlex 5490 All-in-One is an entry-level desktop that saves space and is easy to deploy, but it may not offer the best ROI for your business.

The Dell OptiPlex 7420 AIO is a compact desktop powered by Intel's 14th-Gen Raptor Lake processor, offering up to 64GB of RAM and a 23.8-inch Full HD display. It is designed for ease of use in ...

The Dell OptiPlex 7420 All-in-One is a robust business-class AIO with solid performance and a sleek design. Equipped with Intel's 14th Gen processors and dual SSD slots, it provides excellent speed.

The Dell OptiPlex 7440 AIO is an excellent business all-in-one desktop with good performance, plenty of ports, and a 4K screen that gives you more space to work.

Dell OptiPlex 7400 All-in-One (Black) at Newegg for $1,039.53 First Impressions Dell's OptiPlex 7400 All-in-One is a handy all-in-one computer with great ports and impressive power.

Dell’s Optiplex 7070 Ultra takes a different approach. It’s basically a PC-in-a-monitor-stand that you can use with a variety of monitors up to 27 inches in size.

Dell's 27-inch OptiPlex 7770 All-in-One boasts a winning design, a pivoting 4K panel in our test model, and the latest Intel CPUs. Our one key quibble: Its GeForce graphics are stuck in the past.

The latest, the Dell OptiPlex 7760 All-in-One (starts at $1,289; $1,983 as tested), continues Dell's dominant run of AIO business desktops.

The Dell OptiPlex 7450 All-in-One is a powerful business desktop with a brilliant 4K screen, plenty of power, and excellent connectivity.

That's about to change with the Dell OptiPlex 7070 Ultra, which deftly merges the self-contained aesthetic of the best all-in-one PCs with the compact might of a mini PC.

The Dell OptiPlex 5490 All-in-One (starts at $1,239; $1,399 as tested) features midrange computing components inside a space-saving, 24-inch all-in-one (AIO) chassis.