Best all in one PC 21 inch

Owning a personal computer has become a necessity in current times. With this dreadful pandemic on the move, many people are forced to work from home. And office works can only be done on a computer which needs a decent processor and some other important features. Before purchasing a computer make yourself very clear about reliability, sufficient storage, and the use of purchasing a new PC.

Best all in one PC in 21-inch Size

All in one desktop fulfills all your desires that you want a computer to fulfill even with occupying a lesser area. So, in this article, we will be listing 8 Best All in one PC in 21-inch Size. Here are some stylish yet practical AIO desktops for your convenience.

10 Best all in one PC in 21-inch Size

  1.  Lenovo IdeaCentre AIO 3 21.5 inches Full HD All In One Desktop

 Lenovo IdeaCentre AIO

The IdeaCentre AIO 3i is an aesthetic gadget, serves many purposes like entertainment or work. It’ll occupy a little space with its elegant base and stand, works smoothly and quickly with its AMD Ryzen processor. Enjoy an exceptional viewing experience with IdeaCentre AIO 3i

The 21.5″ FHD display with 250 nits brightness will treat your wish to Sprightly colors.

Key Features

  • AMD Ryzen 3 3250U
  • Operating System: Windows 10 Home 64
  • 8GB RAM DDR4-2400 expandable up to 165GB |1TB HDD
  • HD 720p Camera
  • 2×3W Stereo Speaker
  • Integrated AMD Radeon Graphics
  • Rear Ports: 2×USB2.0, 1×USB3.1 Gen1, Power connector, Ethernet (RJ-45), HDMI-out, Left Port: 1×USB 3.1 Gen 1, Headphone/ microphone combo jack.
  1. HP ProOne 21.5 In inch FHD D All In One Business PC 

HP ProOne 21.5

Searching for a perfect balance of price and requirement that all you want for the IT environment? HP All in one business PC holds the answer, comes with a really simple commercial design at an inexpensive price. Deliver a reliable performance and enhance productivity with robust 10th gen Intel Processor®. Capture stunning images with the 5mp Pull up webcam by maintaining your privacy. The HP 200 Pro 22 AiO PC will facilitate you to enjoy a speedy drive and a quick memory with Intel Processor.

Key Features

  • 10th Generation Intel Core i5 processor
  • Windows 10 Pro 64
  • 1TB 7200 rpm SATA HDD
  • 8GB DDR4-2666 SDRAM (1×8)
  • Intel® UHD graphics
  • 61cm (21.5″) diagonal FHD VA widescreen LCD anti-glare WLED backlit (1920×1080)
  1.  Lenovo IdeaCentre a340 21.5 inch Full HD IPS All In One Desktop

Lenovo IdeaCentre a340 21.5 inch Full HD I

Lenovo IdeaCentre A340-22IWL (F0EB00CRIN) Core i3 10th Gen Windows 10 Desktop blends style packing and functionality along with efficient performance. Enjoy watching videos and playing games with the 21.5 FHD display.

Set standards in computing due to its Intel Core i3-10110U Processor. You’ll store a huge amount of information with its efficient RAM and powerful storage category.

Key Features 

  • 10th Generation Intel Core i3-10110U Processor
  • PreLoaded Windows 10 software system
  • 8GB DDR4 RAM with integrated UHD graphics | 1TB HDD
  • HD 720p Camera | Autofocus
  • 2 x 3W Stereo Speakers | HD Audio | Dolby Audio Certification
  • 2 USB 3.1, 2 USB 2.0, Headphone/Mic combo jack (3.5mm), Ethernet (RJ-45), HDMI-out, Media card reader | With CD-Drive
  1. HP 21 Desktop All In One PC with Alexa built-in

HP 21 Desktop

Another Entry from HP desk time the HP 21 desktop all in one PC with Alexa built-in Also with 20.7-inch Diagonal display Monitor. It also takes on an entirely new design language Maintaining a mysterious and sleek Outlook.

Key Features

  • 7″ diagonal display, FHD (1920 x 1080), anti-glare, 200 nits
  • Intel Celeron J4025 processor
  • 4GB DDR4 RAM | 1TB 5400 RPM SATA HDD
  • Window 10 OS
  • Privacy camera with integrated dual array digital microphones
  • 2 SuperSpeed USB Type-A 5Gbps signaling rate; 2 USB 2.0 Type-A; 1 RJ-45; 1 headphone/microphone combo
  1.  Lenovo AIO 330 F0D700191N 19.5″ ALL-IN-ONE DESKTOP

Lenovo AIO 330 F0D700191N

The Lenovo Inspiration 22 3280 All-in-One Desktop features an expansive display measuring 19.5″ diagonally. It comes with built-in speakers. Graphics gives an exciting experience within the world if both real and virtual comes with a keyboard and mouse.

Key Features

  • 0 GHz Intel J4005 Processor
  • Windows 10 Home OS
  • 4GB RAM DDR4-2400 | 1TB
  • 5″ (1440×900) | 250 nits
  • HD 720p camera
  • 2×2W speakers
  • Ports: 1USB 3.1 Gen1, 2USB 2.0, Headphone/ Mic combo jack(3.5 mm) Ethernet(RJ-45), HDMI, Card reader
  1.  Dell Inspiron 22 3280 All-in-One Desktop

Dell Inspiron 22 3280

Dell Inspiration 22 3280 all-in-one Desktop is an awesome gadget with an 8th generation Intel Core I3-8145U processor.

Enjoy the21.5″ full HD display with a narrow bezel border. The pop-up web keeps your privacy protected. You’ll achieve more in less time with DDR4 memory.

Key Features

  • 8th Generation Intel Core I3-8145U processor 2.1Ghz base speed, 3.9Ghz max speed, 2cores, 4Mb Smart cache
  • 4GB DDR4,2400MHz RAM | 1TB HDD
  • windows10 package
  1.  Asus Vivo AiO V222GAKBA022T 21.5″ HD Al-in-One Desktop

Asus Vivo AiO

 Asus Vivo all-in-one V222GAKBA022T desktop will allow you to complete your homework assignments, reply to emails, handle a huge amount of data and files even play some light games. This computer offers many additional features which are as follows.

Key Features

  • Intel Celeron 3.2 GHz Processor
  • 4GB RAM | 1 TB HDD with 5400 RPM
  • Windows 10 OS
  • 5″ screen with
  • 1 TB 5400 from hard drive
  1. HP AIO 22- b412 in 21.45 inch All In One Desktop

HP AIO 22- b412

 HP  AIO 22-b412 AiO desktop brings genre and performance right to your step. Wha What’s more The 21.45-inch display is an HD panel making everything super sharp and Crisp. HP  AIO 22-b412 AiO desktop comes with a beautiful design and a crazy amount of storage of 8GB with an Intel i3 7100u processor.

Key Features

  • 4GHz Intel i3 7100u Gen processor
  • 8GB DDR4 RAM | 1TB 7200 RPM drive
  • Intel HD integrated graphics
  • Windows 10 Home OS
  • 45″ screen, Intel UHD Graphics 620 Graphics
  1. HP All-in-One PC 20-c406il Desktop

HP All-in-One PC 20

The next AIO on our list is the HP All-in-One PC 20-c406il. This device offers great performance and is perfect for day to day office usage. It comes with a decent 20-inch display which is powered by the Intel UHD G600 graphics that makes pictures crisp and clear.

The device is powered by an Intel Celeron J4005 processor clocked at 2.7 GHz.

Key Features

  • Intel Celeron J4005 Processor clocked at 2.7 GHz.
  • 4GB RAM DDR4 | 1TB 7200 RPM Drive
  • Intel Graphics 600 GPU.
  • DoS operating system.
  • 20-inch Full HD display with 1920 x 1080p resolution.
  1.  Dell Inspiron i3277-3838BLK 21.5-inch All-in-One Desktop

Dell Inspiron i3277-3838BLK

The next pc on our list is the Dell Inspiron i3277. This all in one computer is perfect for home and office usage due to its performance capacity. It is powered by a very powerful 7th Gen Intel Core i3 processor which makes it snappier.

This allinone pc also comes with a high-quality full HD display making the viewing experience even more pleasurable.

Key Features

  • Intel Core i3- 7130U 7th Gen Processor.
  • 4GB RAM | 1TB ESATA 5400 RPM Drive
  • Intel HD Graphics
  • Windows 10 OS
  • 5 -inches Full HD display with 1920 x 1080p resolution.


These were the 10 best all-in-one PC in 21-inch size. All the models mentioned above provide great performance and are readily available on Amazon for instant purchase. If you think we should add more models to our list feel free to comment on the name of your favorite AIO PC in the comment section below.


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