What is the Best All In One Computer Under 400 of 2022

Looking for the best quality all in one computer under 400 this year? We looked for efficiency, value, and performance. Our experts researched over fifty brands. Finally, we’ve received some feedback.

You’ve found the high-quality all in one computer under 400 you’ve been seeking for! They outperform any other brand by a wide margin.

Comparison Chart for Top Ranked All In One Computer Under 400

Ranking Products Name Action
01 (Renewed) Lenovo ThinkCentre M810z All in One Desktop Computer PC, Intel Core i3-6100 3.70 GHz Processor, 8GB Ram, 256GB SSD, WiFi & Bluetooth, Keyboard Mouse, Win 10 Professional Check Price
02 Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS X Mountain Lion (Renewed) Check Price
03 HP 22-DF 21.5-Inch Full HD WLED Intel Celeron G5900T 4GB 256GB SSD Win 10 All-in-One PC (Renewed) Check Price
04 HP EliteOne 800 G1 23-inch FHD Touch Screen All-in-One Business Desktop Computer, Intel Core i5-4570s up to 3.6GHz, 8GB RAM, 500GB HDD, WiFi, USB 3.0, Windows 10 Professional (Renewed) Check Price
05 Dell Optiplex 3030 All-in-One PC 19 Inch 1600×900 WLED HD Resolution Slim Desktop AIO Computer Intel Quad Core i5-4590s, 8GB RAM, 500GB HDD, Camera, WiFi, Windows 10 Home 64Bit (Renewed) Check Price
06 eXcelius All-in-One 24″ Desktop Computer Refurbished PC, Intel Core i5-4590T 2.0 GHz Processor, 8 GB RAM, 256 GB SSD, WiFi, DVD RW Drive Check Price
07 HP 21 All-in-One PC, Intel Pentium Silver J5040 Quad-Core Processor, 4 GB RAM, 128 GB SSD Storage, 20.7-inch Full HD Display, Windows 10 Home with Enhanced Security, Privacy Camera (21-b0020, 2020) Check Price
08 90W 19V 4.74A AC Adapter Charger Power Supply for HP Pavilion All-in-One Desktop PC 18-5110 19-2304 20-B010 20-B013W 20-B014 21-h010 21-2024 22-3010 22-3020 22-3030 22-3110 23-g010 Check Price
09 iView All in One Computer IPS 1920 x 1080 Touch Screen, Intel Celeron, 4GB RAM (Expandable Notebook Drive), WiFi 2.4GHz, Front Camera, Wireless Keyboard & Mouse (1780AIO Win 10 PRO 64GB) Check Price
10 Lenovo Desktop M810z All in One Computer PC, Intel i3-6100 3.70 GHz Processor, 8GB Ram, 256GB SSD, WiFi & Bluetooth, Wireless Keyboard Mouse, External Webcam, Windows 10 Pro (Renewed) Check Price

10 Best All In One Computer Under 400 Reviews

01 (Renewed) Lenovo ThinkCentre M810z All in One Desktop Computer PC, Intel Core i3-6100 3.70 GHz Processor, 8GB Ram, 256GB SSD, WiFi & Bluetooth, Keyboard Mouse, Win 10 Professional

【 ABOUT THIS PC】 This PC Has USB Ports, Display Ports, RJ-45 (Ethernet Port), NO DVD Drive, NO WEBCAM. Included Peripherals: Lenovo Wired Keyboard and Mouse, Wi-Fi Adapter & Bluetooth.

【 ABUNDANT STORAGE AND MEMORY 】Arrives with 8 GB Memory and 256 GB Solid State Drive for efficient multi-tasking.

【 POWERFUL PROCESSOR】 Configured with Intel’s top of the line Core i3 series processor so you can expect very fast, reliable, and consistent performance for an exceptional PC experience.

【 MICROSOFT WINDOWS 10 LATEST RELEASE 】A brand new installation of the latest Microsoft Windows 10 Professional Operating System, free of bloatware commonly installed from other manufacturers.

【 CUSTOM TAILORED FOR A SECURE START】Configured to tackle all the most commonly needed tasks right out of the box – Connect to your business software or a client’s files, upload data, track inventory, browse the internet or even stream movies & music, complete homework, store photos, and much more. All Renewed computers are backed by a 90 day warranty and 90 day tech support to ensure a smooth, easy and secure introduction.

Check Price at Amazon

01 Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS X Mountain Lion (Renewed)

Intel Iris Pro Graphics

2.7 GHz Quad-Core Intel Core i5 Processor (Turbo Boost up to 3.2 GHz) with 6MB L3 cache

21.5-inch (Diagonal) LED-backlit Display with IPS Technology; 1920-by-1080 Resolution

1TB Hard Drive, 8 GB (Two 4 GB) of 1600MHz DDR3 Memory

This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer

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03 HP 22-DF 21.5-Inch Full HD WLED Intel Celeron G5900T 4GB 256GB SSD Win 10 All-in-One PC (Renewed)

Intel Celeron G5900T Dual-Core Processor (3.2 GHz) / 4GB DDR4-2666 SDRAM / 256GB PCIe NVMe M.2 Solid State Drive (SSD) / DVD Writer

21.5-inch Full HD IPS ZBD Anti Glare WLED-backlit 3-Sided micro-edge Display (1920×1080) / Intel UHD Graphics 630

Gigabit (10/100/1000) LAN Connection / Wi-Fi 5 (1×1) and Bluetooth 4.2 combo / Dual 2W speakers / Truevision HD privacy camera with integrated dual array digital microphone

USB White Keyboard and optical mouse / 2 SuperSpeed USB Type-A 2 USB 2.0 Type-A / 1 HDMI Out 2.0 / 3-in-1 Media Card Reader / Headphone / microphone combo jack

90W Smart AC power adapter / Finish: Night blue / Windows 10 Home

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04 HP EliteOne 800 G1 23-inch FHD Touch Screen All-in-One Business Desktop Computer, Intel Core i5-4570s up to 3.6GHz, 8GB RAM, 500GB HDD, WiFi, USB 3.0, Windows 10 Professional (Renewed)

FREE USB 2.0 4PORT HUB AND CAT 6 PATCH CABLE 25FT

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05 Dell Optiplex 3030 All-in-One PC 19 Inch 1600×900 WLED HD Resolution Slim Desktop AIO Computer Intel Quad Core i5-4590s, 8GB RAM, 500GB HDD, Camera, WiFi, Windows 10 Home 64Bit (Renewed)

Multitasking is easy with 8 GB of RAM

500GB Storage allows for plenty storage for many applications

Equipped with a blazing fast, Intel Core i5 3.00 GHz processor.

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06 eXcelius All-in-One 24″ Desktop Computer Refurbished PC, Intel Core i5-4590T 2.0 GHz Processor, 8 GB RAM, 256 GB SSD, WiFi, DVD RW Drive

GREEN PC: This Desktop All-In-One is made out of completely recycled parts! Columbus Micro has on-site technicians that refurbish all components for your use! This PC is great for the environment, and great for your wallet at a low price. This item is REFURBISHED. The item may contain some wears such as scratches to the back cover and markings. The screen is unscathed. Grade B.

ALL-IN-ONE: This PC is considered an all-in-one desktop. This means that all computer components are stored inside the monitor. Great for space and moving!

WINDOWS 10 PRO: Columbus Micro is a Microsoft Authorized Refurbisher (MAR). We are able to obtain licenses for these recycled machines.

24/7 SUPPORT: Our support team and technicians are able to answer any and all questions. We will reply to any message under 24 hours.

100% MONEY BACK GUARANTEE: If you are unsatisfied with your eXcelius GREEN PC in any way, you can return it for a full refund!

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07 HP 21 All-in-One PC, Intel Pentium Silver J5040 Quad-Core Processor, 4 GB RAM, 128 GB SSD Storage, 20.7-inch Full HD Display, Windows 10 Home with Enhanced Security, Privacy Camera (21-b0020, 2020)

ALL-IN-ONE ELEGANCE – De-clutter your workspace and get more done with an All-in-One PC that blends the power of a desktop with the elegance of a slim, sleek display

FULL HD DISPLAY – See more of your entertainment with an anti-glare, narrow-bezel, 20.7-inch display, boasting 2 million pixels for crystal-clear visuals and vibrant image quality (1). Watch your shows comfortably as you easily adjust the screen’s tilt 5 degrees forward and 20 degrees backward

TRUE PROCESSING POWER – The Intel Pentium Silver J5040 processor is the perfect combination of performance, power consumption, and value; multitasking has never been smoother or more reliable with four processing cores to divide up the work (2)

MODERN GRAPHICS – Smoothly stream 4K content and play your favorite games in 1080p, without the need for a dedicated graphics card. With excellent Intel UHD graphics performance, you’ll see the difference in everything you do (3)

MEMORY AND STORAGE – Experience a boost in performance for improved multitasking with 4 GB of DDR4 RAM (4) and get up to 30x faster performance than a traditional hard drive with 128 GB of PCIe NVMe M.2 Solid State Drive storage (5)

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08 90W 19V 4.74A AC Adapter Charger Power Supply for HP Pavilion All-in-One Desktop PC 18-5110 19-2304 20-B010 20-B013W 20-B014 21-h010 21-2024 22-3010 22-3020 22-3030 22-3110 23-g010

Output:DC 90W 19V 4.74A (65W 19.5V Compatible)/ Input:AC 100-240V, 50-60Hz / 3 Prongs

Connector Size:7.4mm×5.0mm(Refer to picture)

Compatible model: HP 260 G1, ProDesk 600 G1, EliteDesk 800 G1 AIO Desktop Mini Business PC; HP Pavilion All in one Computer Desktop PC 18” 19” 20″ 21″ 22″ 23″; 18-5010, 18-5110, 19-2014, 19-2113w, 19-2114, 19-2304, 19-3013w, 20-B312, 20-B313W, 20-B314, 20-B010, 20-B013W, 20-B014, 20-B323W, 20-b310, 20-b310ef, 20-f230, 20-r013w, 21-2010, 21-2014, 21-2020Z, 21-2024, 21-h010, 21-h014, 22-3010, 22-3020, 22-3030, 22-3040, 22-3110, 23-g010,848054-002

100% Brand NEW replacement / CE,FCC,RoHS Certified for Safety

30 Days Money Back or Free Exchange Guarantee,12 Months Warranty

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09 iView All in One Computer IPS 1920 x 1080 Touch Screen, Intel Celeron, 4GB RAM (Expandable Notebook Drive), WiFi 2.4GHz, Front Camera, Wireless Keyboard & Mouse (1780AIO Win 10 PRO 64GB)

Multitasking is easy with 8 GB of RAM

500GB Storage allows for plenty storage for many applications

Equipped with a blazing fast, Intel Core i5 3.00 GHz processor.

Check Price at Amazon

10 Lenovo Desktop M810z All in One Computer PC, Intel i3-6100 3.70 GHz Processor, 8GB Ram, 256GB SSD, WiFi & Bluetooth, Wireless Keyboard Mouse, External Webcam, Windows 10 Pro (Renewed)

【 ABOUT THIS PC】 This PC Has USB Ports, Display Ports, RJ-45 (Ethernet Port), NO DVD Drive, External WebCam. Included Peripherals: Wireless Keyboard and Mouse, Wi-Fi Adapter & Bluetooth.

【 ABUNDANT STORAGE AND MEMORY 】Arrives with 8 GB Memory and 256 GB Solid State Drive for efficient multi-tasking.

【 POWERFUL PROCESSOR】 Configured with Intel’s top of the line Core i5 series processor so you can expect very fast, reliable, and consistent performance for an exceptional PC experience.

【 MICROSOFT WINDOWS 10 LATEST RELEASE 】A brand new installation of the latest Microsoft Windows 10 Professional Operating System, free of bloatware commonly installed from other manufacturers.

【 CUSTOM TAILORED FOR A SECURE START】Configured to tackle all the most commonly needed tasks right out of the box – Connect to your business software or a client’s files, upload data, track inventory, browse the internet or even stream movies & music, complete homework, store photos, and much more. All Renewed computers are backed by a 90 day warranty and 90 day tech support to ensure a smooth, easy and secure introduction.

Check Price at Amazon

Buying Guide for All In One Computer Under 400

Take a look at a few things to make sure you receive the best deal for all in one computer under 400.

Durability of All In One Computer Under 400

The majority of all in one computer under 400 have a limited life. Only a some of the all in one computer under 400 have the potential to last a lengthy time. Longevity may be assured by checking the build quality.
It’s a good idea to look into the materials used to make the item. A higher level of quality can sometimes lead to a higher cost.To have a better knowledge of the products, compare them to one another.

Specification

What sort of thing do you require? Determining the type you require is important. The right kind will effectively meet your requirements.
Examine the technical specs of the item. Inspect the item to see if it matches your requirements.

Check Price

The price-to-quality ratio should be high. You do not have to forgot quality because you’re on a tight budget.
Numerous all in one computer under 400 are accessible on a low budget. Not all expensive all in one computer under 400 are high-quality, either.

Final Note

With some study, you can find the best all in one computer under 400. I trust these evaluations significantly help in making your choice!
For more details, see the user manual. These all in one computer under 400 are excellent in terms of both profitability and durability. Focusing attention to all the details can assist you in achieving the best possible outcome.

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