Best All-In-One Desktops Under $300 in 2026: 3 Picks Ranked by Specs
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Finding the best all in one desktops under $300 requires careful attention to published specifications. We compared 3 models to identify the most practical options for your needs. The top pick is the Apple iMac 21.5-Inch Core i5 Desktop. It leads because it offers 1TB of storage, which is rare in this price range. This guide helps you decide which machine fits your budget and workflow. We focused strictly on the data provided by each listing. You will find clear comparisons of processor, memory, and screen size. Our goal is to help you choose a reliable system without guessing.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Apple iMac 21.5-Inch Core i5 Desktop Best overall | Budget buyers needing 1TB storage | Check price of Apple iMac 21.5-Inch Core i5 Desktop on Amazon |
| 2 | Apple iMac 21.5-Inch Core i5 Desktop Best premium | macOS users needing SSD speed and a tidy desk | Check price of Apple iMac 21.5-Inch Core i5 Desktop on Amazon |
| 3 | BlairTech 24-Inch Core i5 ChromeOS Flex Desktop Best budget | Web browsing and cloud-based schoolwork | Check price of BlairTech 24-Inch Core i5 ChromeOS Flex Desktop on Amazon |
The best fit for you
- You need 1TB of local storage for files Apple iMac 21.5-Inch Core i5 Desktop This iMac includes a 1TB hard drive for large data capacity.
- You want fast SSD performance on macOS Apple iMac 21.5-Inch Core i5 Desktop It features a 256GB SSD for quick boot times and app loading.
- You need a larger 24-inch display for work BlairTech 24-Inch Core i5 ChromeOS Flex Desktop This ChromeOS desktop offers a 24-inch screen for better viewing space.
Our 3 picks
Apple iMac 21.5-Inch Core i5 Desktop
Best for: Budget buyers needing 1TB storage
- Processor
- Intel Core i5-7360U
- System Memory
- 8GB DDR4
- Storage Capacity
- 1TB HDD
- Screen Size
- 21.5-inch
- Display Resolution
- 1920x1080
- Graphics
- Intel Iris Plus Graphics 640
View on Amazon: Apple iMac 21.5-Inch Core i5 Desktop Affiliate link
This 2017 Apple iMac pairs a 21.5-inch 1080p display with a 7th-gen Intel Core i5 processor and 8GB of DDR4 RAM. It includes 1TB of HDD storage and Intel Iris Plus Graphics 640. The all-in-one design integrates connectivity options like Thunderbolt and USB 3.0. It suits users needing a compact desktop for basic tasks and media consumption within a budget.
Pros
- 21.5-inch 1920x1080 LED-backlit display
- Intel Core i5-7360U dual-core processor
- 1TB HDD storage capacity
- 8GB DDR4 system memory
- Integrated webcam and headphone jack
Cons
- HDD storage is slower than SSDs
- 2017 model year is outdated
- 21.5-inch screen is smaller than 24-inch competitors
Good fit if
- You want a compact all-in-one design
- You need 1TB of local storage
- You are on a tight budget
Skip if
- You require fast SSD storage speeds
- You need a larger 24-inch display
- You want the latest processor generation
Verdict: Apple 2017 iMac 21.5-inch offers solid core specs for everyday use but lacks modern storage speed and a larger screen. It fits budget buyers who prioritize storage capacity and compact size over performance and display real estate.
Apple iMac 21.5-Inch Core i5 Desktop
Best for: macOS users needing SSD speed and a tidy desk
- Processor
- 2.3GHz Intel Core i5
- System Memory
- 8GB
- Storage Capacity
- 256GB SSD
- Screen Size
- 21.5-inch
- Dimensions
- 6.9 × 20.8 × 17.7 inches
- Weight
- 21 pounds
View on Amazon: Apple iMac 21.5-Inch Core i5 Desktop Affiliate link
This 2017 Apple iMac pairs a 21.5-inch display with a 2.3GHz Intel Core i5 processor and 8GB of RAM. It includes 256GB of SSD storage, which is faster than traditional hard drives. The all-in-one design keeps your desktop tidy. This system suits users who need reliable performance for everyday tasks. It fits those who prefer the macOS ecosystem and want a compact, silver-colored machine for home or office use.
Pros
- 256GB SSD storage for fast boot times and app loading.
- 2.3GHz Intel Core i5 processor handles daily computing tasks.
- 21.5-inch screen offers a clean, space-saving all-in-one design.
- 8GB RAM supports smooth multitasking for web browsing and office work.
Cons
- 2017 model may lack support for the latest software updates.
- 256GB storage fills up quickly with large files or games.
- Renewed condition means accessories are not original Apple parts.
Good fit if
- You need a compact desktop for basic productivity and media consumption.
- You prefer the stability and interface of macOS for your workflow.
- You want a system with SSD speed for snappy daily performance.
Skip if
- You require high-end gaming capabilities or modern GPU performance.
- You need extensive storage capacity for large media libraries.
- You insist on brand-new hardware with original manufacturer accessories.
Verdict: Apple 21.5-inch iMac 2017 i5 8GB 256GB SSD is a solid choice for users who value macOS and SSD speed over raw power. It fits students and home office workers who prioritize a tidy desk and reliable daily performance.
BlairTech 24-Inch Core i5 ChromeOS Flex Desktop
Best for: Web browsing and cloud-based schoolwork
- Processor
- Intel Core i5
- System Memory
- 8 GB
- Storage Capacity
- 128 GB SSD
- Screen Size
- 24"
- Operating System
- Google ChromeOS Flex
View on Amazon: BlairTech 24-Inch Core i5 ChromeOS Flex Desktop Affiliate link
This BlairTech all-in-one desktop pairs a 24-inch monitor with an Intel Core i5 processor, 8 GB of RAM, and a 128 GB SSD. It runs Google ChromeOS Flex, a web-focused operating system. The design mounts the mini PC behind the display for a clean look. It includes a wireless keyboard, mouse, and RGB speakers. This setup suits users who rely on cloud apps and web browsing for schoolwork or everyday tasks.
Pros
- Intel Core i5 processor for responsive performance
- 24-inch display with integrated RGB speakers
- 8 GB RAM and 128 GB SSD storage
- Includes wireless keyboard and mouse
- Built-in WiFi and Bluetooth connectivity
Cons
- Runs ChromeOS Flex, not Windows
- Cannot install traditional desktop programs
- Limited 128 GB SSD storage capacity
Good fit if
- You need a simple web-based computer for school
- You prefer a clutter-free desk setup
- You rely on cloud apps like Google Docs
Skip if
- You require Windows for specific software
- You need to install local desktop applications
- You need more than 128 GB of storage
Verdict: BlairTech ChromeOS Flex 24" AIO is a practical option for web-centric users who want a tidy desk. It fits students and light users who do not need Windows or heavy local software.
Specifications side by side
| Spec | Apple iMac 21.5-Inch Core i5 Desktop | Apple iMac 21.5-Inch Core i5 Desktop | BlairTech 24-Inch Core i5 ChromeOS Flex Desktop |
|---|---|---|---|
| Processor | Intel Core i5-7360U | 2.3GHz Intel Core i5 | Intel Core i5 |
| System Memory | 8GB DDR4 | 8GB | 8 GB |
| Storage Capacity | 1TB HDD | 256GB SSD | 128 GB SSD |
| Screen Size | 21.5-inch | 21.5-inch | 24" |
| Display Resolution | 1920x1080 | not stated | not stated |
| Graphics | Intel Iris Plus Graphics 640 | not stated | not stated |
| Operating System | Mac OS X | not stated | Google ChromeOS Flex |
| Memory | 8GB RAM | 8GB RAM | 8GB RAM |
| Storage | not stated | 256GB SSD | 128GB SSD |
| Dimensions | 17.7 × 20.8 × 6.9 inches | 6.9 × 20.8 × 17.7 inches | not stated |
| Weight | 18.3 pounds | 21 pounds | not stated |
| Size | 21.5" 1080p Display | not stated | not stated |
| Color | Silver | Silver | Black |
| Model | A1418 | MMQA2LL/A | ESSENTIAL |
How to choose the right all in one
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Check processor generation
All listed models use Intel Core i5 processors. This chip handles everyday tasks like web browsing and office work without lag. You do not need a high-end gaming CPU for basic home use. The Core i5 provides sufficient speed for most budget buyers. Verify the processor matches your daily workload. If you only open a few tabs, this level of power is adequate. Do not overpay for higher tiers if your tasks are light.
-
Compare screen size needs
Screen size affects desk space and viewing comfort. The Apple iMac models feature a 21.5-inch display. The BlairTech offers a larger 24-inch panel. A bigger screen helps with multitasking and reduces eye strain during long sessions. Measure your desk before buying. Ensure the unit fits your workspace. The 24-inch option provides more real estate for split-screen work. The 21.5-inch models are more compact for smaller areas.
-
Evaluate storage type
Storage type impacts system speed. The second Apple iMac includes a 256GB SSD. Solid-state drives boot faster and load apps quicker than traditional hard drives. The first iMac uses a 1TB hard drive for capacity. The BlairTech has a 128GB SSD. Choose an SSD if you value responsiveness. Choose a hard drive if you need to store many files locally. Your choice depends on whether speed or space matters more to you.
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Identify operating system
The operating system determines which software you can run. The Apple iMacs run macOS. This system is ideal for users already in the Apple ecosystem. The BlairTech uses ChromeOS Flex. This OS is designed for web-based tasks and cloud applications. It is not suitable for Windows-only software or heavy local programs. Check your required applications before purchasing. If you need specific Windows programs, neither of these models will work for you.
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Assess memory capacity
All three models include 8GB of RAM. This amount supports smooth multitasking for standard users. You can browse the web, write documents, and watch videos simultaneously. If you plan to run many heavy applications at once, this might be limiting. However, for most budget all-in-one buyers, 8GB is the standard sweet spot. It balances performance and cost. You do not need more than this for typical home or student use.
Frequently asked questions
Can I use these all-in-ones for gaming?
These models are not designed for modern gaming. They use Core i5 processors with 8GB of RAM, which handle everyday tasks like web browsing and office work. They lack dedicated graphics cards needed for heavy gaming. You should look for a dedicated desktop tower if you want to play demanding titles.
Which model has the largest screen?
The BlairTech 24-Inch Core i5 ChromeOS Flex Desktop has the largest display at 24 inches. The Apple iMac models both feature 21.5-inch screens. A larger screen provides more workspace for multitasking. The BlairTech option is ideal if you prioritize screen real estate over the macOS operating system.
Do these computers come with a keyboard and mouse?
The product data does not specify if peripherals are included. All-in-one desktops typically require you to purchase a separate keyboard and mouse. You should check the full package contents before buying. These units focus on the screen and internal components rather than bundled accessories.
Is the Apple iMac suitable for students?
Yes, the Apple iMac is suitable for students. The best budget pick features a 256GB SSD for quick boot times. It runs macOS, which is popular in educational settings. The compact design fits well on a tidy desk. It handles light schoolwork and web browsing efficiently.
What is the difference between the two Apple iMacs?
The main difference is storage type and capacity. The best overall pick includes 1TB of storage, likely a hard drive, for large data capacity. The best budget pick uses a 256GB SSD for faster performance. Both have Core i5 processors and 8GB of RAM. Choose based on whether you need speed or space.
Can I install Windows on the BlairTech desktop?
No, the BlairTech desktop runs ChromeOS Flex. It is designed for web-centric users and cloud-based schoolwork. You cannot install Windows on this specific model. It is ideal for light users who do not need heavy local software. If you require Windows, you must choose one of the Apple iMac models.
How much space do these all-in-ones take up?
The Apple iMac models are compact but have varying dimensions. The first model is 20.8 inches wide and weighs 18.3 pounds. The second model weighs 21 pounds. The BlairTech model is black and has a different footprint. These designs save desk space compared to traditional towers with separate monitors.


