How to Build a Gaming PC for $400: A Budget Gamer's Guide
A gaming PC for 400 dollars might sound like a stretch, but with careful planning and the right choices, it is possible to build a system that can handle esports titles and some modern games at 1080p resolution. While budget constraints mean cutting back on high-end features, a well-optimized build can provide a smooth gaming experience with room for future upgrades.
This guide will explore the key considerations, component choices, expected performance, upgrade paths, and whether prebuilt options are worth considering for a budget gaming PC.
Key Considerations for a $400 Gaming PC
A limited budget means making strategic choices to maximize performance while ensuring long-term usability. A gaming PC built for $400 will not be a powerhouse, but with efficient component selection, it can still deliver decent gaming performance.
1. Processing Power
The processor, or CPU (Central Processing Unit), plays a significant role in gaming and general system performance. A weaker processor can cause bottlenecks, meaning even if the other components are good, the CPU may slow down the entire system.
For a $400 budget, selecting a CPU with integrated graphics (iGPU) is often the best choice. This removes the need for a separate graphics card and saves money for other components. CPUs with built-in Vega or UHD graphics allow for gaming without a dedicated GPU, although performance will be limited. If a dedicated graphics card is preferred, the budget must account for a lower-end CPU to compensate.
2. Graphics Performance
The graphics processing unit (GPU) is the most critical component for gaming performance. However, at this price range, affording a dedicated GPU is difficult, so integrated graphics may be the best option initially. Many modern integrated graphics chips can handle popular esports games and some AAA titles at low settings.
If the budget allows, looking for second-hand GPUs can significantly improve performance. Some older dedicated GPUs, even mid-range models from a few years ago, can provide a better gaming experience than integrated graphics while staying within budget.
3. Memory (RAM)
RAM (Random Access Memory) affects how well a system handles multitasking and gaming. In 2024, 16GB of RAM is the ideal amount for smooth gaming and general system performance. A system with less than 16GB might struggle with modern titles, leading to lag and longer load times.
4. Storage
A solid-state drive (SSD) is necessary for quick system boot times and fast game loading. While hard drives (HDDs) are cheaper, they significantly slow down performance, making SSDs the better choice even on a budget. A minimum of 512GB is recommended, though for larger game libraries, a secondary storage option can be added later.
5. Power and Cooling
A budget-friendly power supply unit (PSU) must still be reliable and efficient to avoid potential hardware issues. A low-quality PSU can cause instability, crashes, and even permanent hardware damage. Ensuring proper airflow inside the case is also essential to prevent thermal throttling, which can reduce performance.
Building a Gaming PC on a $400 Budget
A well-balanced build within this budget must carefully distribute costs across essential components. Since a dedicated GPU might not be affordable, a processor with strong integrated graphics is the best starting point.
Processor and Graphics
Since modern games demand both CPU and GPU power, balancing these two components is crucial. A budget-friendly CPU with integrated graphics ensures basic gaming capability while allowing for a future GPU upgrade.
For those willing to buy used components, a lower-end CPU paired with an older dedicated GPU might provide better gaming performance than relying on integrated graphics. However, finding the right second-hand GPU within budget can be challenging.
Memory (RAM)
At least 16GB of RAM is required to prevent system slowdowns. Gaming and multitasking require a sufficient memory buffer, and choosing faster RAM speeds can help improve integrated graphics performance.
Storage
A 512GB SSD is the best choice for balancing speed and affordability. While a 1TB HDD offers more storage for the same price, the performance drop makes it a poor choice for gaming. Adding a secondary drive later can expand storage without affecting speed.
Power Supply and Cooling
A budget power supply should still be 80+ certified for efficiency and stability. Cases with adequate ventilation prevent overheating, ensuring consistent performance during gaming sessions.
Expected Gaming Performance
A $400 gaming PC will not deliver ultra-high settings in modern AAA games, but it can handle many titles at medium to low settings with smooth frame rates. Below is a general performance expectation for some popular games.
| Game | Settings | Expected FPS |
|---|---|---|
| Fortnite | Medium | 60-80 FPS |
| Valorant | High | 100+ FPS |
| CS:GO | High | 120+ FPS |
| GTA V | Medium | 50-60 FPS |
| The Witcher 3 | Low-Medium | 40-50 FPS |
The biggest limitation will be newer games that require powerful dedicated GPUs. However, esports titles like CS:GO, Valorant, and Rocket League run well on budget systems, making them ideal choices for a $400 gaming PC.
If a dedicated GPU is added later, performance in modern games will improve significantly.
Upgrading a $400 Gaming PC
Since budget systems often come with limitations, planning for future upgrades is essential to extend the system's lifespan.
1. Adding a Dedicated Graphics Card
One of the best upgrades is adding a dedicated GPU when budget permits. Even a mid-range used GPU can provide a significant performance boost over integrated graphics.
2. Expanding Storage
A larger SSD or secondary HDD allows for storing more games without affecting performance. A 1TB NVMe SSD is a great upgrade if faster game loading is required.
3. Better Cooling and Power Supply
If a dedicated GPU is added, ensuring a reliable power supply with higher wattage prevents stability issues. Additional case fans or a better CPU cooler can also help maintain lower temperatures, improving performance and hardware lifespan.
Are Prebuilt Gaming PCs Worth It at $400?
Finding a prebuilt gaming PC within this budget is difficult, but not impossible. Some refurbished or second-hand options may be available at this price range.
What to Look for in a Prebuilt PC
- A recent generation processor with at least four cores
- 16GB of RAM for smooth gaming
- SSD storage for faster performance
- A dedicated GPU, if available
Many prebuilt PCs use older or weaker components, making them less powerful than a custom-built PC. However, for those uncomfortable with assembling a PC, a prebuilt system may be a viable alternative.
Best Gaming PCs Under $400: Affordable Options for Budget Gamers
For those looking for a gaming PC for 400 dollars, finding a reliable and capable system can be difficult. While high-end PCs dominate the market, budget gaming rigs can still provide smooth gameplay at 1080p resolution. The key is to select the right hardware combination to maximize performance without overspending.
This guide explores the best gaming PCs under $400, providing detailed specifications, gaming performance insights, and what to expect from each system.
1. STGAubron Gaming PC Desktop
Detailed Specifications:
- Processor: Intel Core i5 (up to 3.6GHz)
- Graphics Card: Radeon RX 560 (4GB GDDR5)
- RAM: 16GB DDR4
- Storage: 512GB SSD
- Connectivity: 600M WiFi, Bluetooth 5.0
- Extras: 2 RGB Fans, RGB Mouse Pad
- Operating System: Windows 10 Home
Performance & Gaming Capabilities:
The STGAubron Gaming PC Desktop is an ideal choice for gamers on a tight budget. It features an Intel Core i5 processor, which is strong enough for casual gaming and multitasking. While it isn’t a high-end processor, it delivers solid single-threaded performance, making it great for older and optimized games.
The Radeon RX 560 (4GB GDDR5) is a decent entry-level dedicated graphics card, allowing users to play popular esports games and lightweight AAA titles. Games like Fortnite, CS:GO, Valorant, and Rocket League can achieve playable frame rates at 1080p resolution.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Fortnite | Medium | 60-75 FPS |
| Valorant | High | 100+ FPS |
| CS:GO | High | 120+ FPS |
| GTA V | Medium | 50-60 FPS |
One of the strongest selling points of this PC is its 16GB RAM and 512GB SSD. These ensure smooth performance when switching between tasks and provide fast loading times for games.
This system is a good fit for beginners or casual gamers who want a plug-and-play setup with an RGB aesthetic. The RGB mouse pad and fans enhance its gaming look, making it more appealing for budget-conscious buyers.
Pros:
✔ Decent 1080p gaming performance for esports titles
✔ Strong multitasking with 16GB RAM
✔ 512GB SSD for faster game loading
✔ Built-in WiFi and Bluetooth 5.0
✔ Comes with RGB fans and mouse pad
Cons:
✖ Not ideal for modern AAA games on high settings
✖ No future GPU upgrade path due to limited PSU
Final Verdict:
The STGAubron Gaming PC Desktop is a great budget-friendly option for gamers who mostly play lightweight games and esports titles. It won’t handle modern, graphically demanding AAA titles well, but for under $400, it delivers a great balance of performance and value.
2. STGAubron Gaming PC Computer Desktop
Detailed Specifications:
- Processor: Intel Core i5 (3.2GHz - 3.6GHz)
- Graphics Card: Radeon RX 560 (4GB GDDR5)
- RAM: 16GB DDR4
- Storage: 512GB SSD
- Connectivity: 600M WiFi, Bluetooth 5.0
- Extras: 3 RGB Fans, RGB Mouse Pad
- Operating System: Windows 10 Home
Performance & Gaming Capabilities:
This STGAubron Gaming PC variant is similar to the previous model but includes an additional RGB fan for better cooling. It still features an Intel Core i5 processor, which ensures solid everyday performance for both gaming and general tasks.
The Radeon RX 560 (4GB GDDR5) remains an entry-level dedicated graphics card, meaning it performs well for low-demand esports games and older AAA titles. Users can expect smooth gameplay at 1080p resolution with medium settings on most esports titles.
The extra cooling fans help maintain lower temperatures, which is beneficial for long gaming sessions. This makes it a better choice than the previous model for users who prefer improved cooling and aesthetics.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Apex Legends | Medium | 45-55 FPS |
| Rainbow Six Siege | High | 75-90 FPS |
| PUBG | Low | 40-50 FPS |
| The Witcher 3 | Low-Medium | 40-50 FPS |
Pros:
✔ Extra RGB fan for better cooling
✔ Great for casual gaming and multitasking
✔ 16GB RAM ensures smooth performance
✔ WiFi and Bluetooth 5.0 for better connectivity
✔ RGB mouse pad and lighting for a stylish look
Cons:
✖ Not ideal for ultra settings in AAA games
✖ Limited GPU upgrade potential
3. HP Desktop Computer (Renewed)
Detailed Specifications:
- Processor: Intel Core i5-6500 (up to 3.6GHz)
- Graphics Card: GeForce GT 1030 (2GB GDDR5)
- RAM: 16GB DDR4
- Storage: 512GB SSD
- Extras: RGB Keyboard & Mouse
- Operating System: Windows 10
Performance & Gaming Capabilities:
The HP Desktop Computer (Renewed) is an affordable option for casual gaming and basic productivity tasks. It comes with a 6th-generation Intel Core i5 processor, which offers decent single-threaded performance but lacks the efficiency of newer CPUs.
The GeForce GT 1030 (2GB GDDR5) is a very entry-level GPU that performs worse than the RX 560 found in the STGAubron models. However, it can still handle older games at low-medium settings.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Minecraft | Medium | 80-100 FPS |
| League of Legends | High | 120+ FPS |
| Overwatch | Medium | 60-75 FPS |
| GTA V | Low | 35-45 FPS |
This PC comes renewed, meaning it has been refurbished and tested for quality. The included RGB keyboard and mouse add a bit of a gaming aesthetic, making it an appealing choice for new gamers.
Pros:
✔ Great for basic gaming and productivity
✔ 16GB RAM & 512GB SSD for smooth performance
✔ Includes RGB keyboard and mouse
Cons:
✖ GT 1030 is very weak compared to modern GPUs
✖ Not ideal for demanding modern games
4. HP PC Desktop Computer - 32GB RAM (Renewed)
Detailed Specifications:
- Processor: Intel Core i5-7500 (up to 3.8GHz)
- Graphics Card: GeForce GTX 1660 Super (6GB GDDR6)
- RAM: 32GB DDR4
- Storage: 128GB SSD + 3TB HDD
- Extras: RGB Keyboard & Mouse
- Operating System: Windows 10
Performance & Gaming Capabilities:
This renewed HP gaming PC is one of the most powerful options in this price range due to its GTX 1660 Super GPU. The Intel Core i5-7500 is an older but still reliable processor for gaming. The standout feature is 32GB of RAM, which is rare in budget gaming PCs and allows for heavy multitasking.
The GTX 1660 Super (6GB GDDR6) is a solid mid-range GPU, capable of running most modern games at 1080p high settings. This makes it one of the best choices for gamers who want the best performance under $400.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Cyberpunk 2077 | Medium | 50-60 FPS |
| Call of Duty: Warzone | High | 70-90 FPS |
| Fortnite | High | 100+ FPS |
| The Witcher 3 | High | 60-80 FPS |
Pros:
✔ GTX 1660 Super GPU offers excellent 1080p performance
✔ 32GB RAM is great for multitasking and content creation
✔ 3TB HDD + 128GB SSD provides ample storage
✔ Comes with an RGB keyboard & mouse
Cons:
✖ The i5-7500 is slightly outdated
✖ 128GB SSD is too small for large game installations
5. Dell OptiPlex 24 Inch Desktop (Renewed)
Detailed Specifications:
- Processor: Intel Core i7 (Quad-Core)
- Graphics Card: AMD RX 550 (4GB GDDR5)
- RAM: 16GB DDR4
- Storage: 512GB SSD
- Extras: HDMI Monitor, Windows 10
Performance & Gaming Capabilities:
This Dell OptiPlex desktop is an affordable option that includes a 24-inch monitor, making it a great all-in-one package for budget gamers. The Intel Core i7 processor delivers good performance for everyday use, while the AMD RX 550 GPU provides decent gaming capabilities at 1080p low to medium settings.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Valorant | High | 100+ FPS |
| CS:GO | High | 120+ FPS |
| GTA V | Medium | 40-50 FPS |
| League of Legends | High | 120+ FPS |
The AMD RX 550 (4GB) is not as powerful as the GTX 1660 Super, but it can still handle many games at medium settings. Since this PC comes with a monitor, it is ideal for gamers who don’t already own a display.
Pros:
✔ Includes a 24-inch monitor
✔ Good for basic gaming and productivity
✔ i7 processor offers strong general performance
✔ 512GB SSD for fast game loading
Cons:
✖ RX 550 is a weaker GPU compared to GTX 1660 Super
✖ Not ideal for AAA gaming at high settings
6. Dell Gaming PC Desktop Computer (Renewed)
Detailed Specifications:
- Processor: Intel Core i5 (up to 3.6GHz)
- Graphics Card: GeForce GTX 1660 Super (6GB GDDR6)
- RAM: 16GB DDR4
- Storage: 256GB SSD + 3TB HDD
- Extras: RGB Keyboard & Mouse, WiFi & Bluetooth 5.0
- Operating System: Windows 10 Pro
Performance & Gaming Capabilities:
This renewed Dell gaming desktop is another great performer in the sub-$400 category. The GTX 1660 Super is a highly capable GPU for 1080p gaming, allowing users to play modern games at medium to high settings with good frame rates.
The 16GB RAM and 256GB SSD ensure smooth performance and quick load times, while the 3TB HDD offers plenty of space for game storage.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Elden Ring | Medium | 50-60 FPS |
| Apex Legends | High | 80-100 FPS |
| Warzone | High | 70-90 FPS |
| Fortnite | High | 100+ FPS |
Pros:
✔ GTX 1660 Super GPU is one of the best in this price range
✔ Plenty of storage with 256GB SSD + 3TB HDD
✔ Strong gaming and productivity performance
✔ Comes with an RGB keyboard & mouse
Cons:
✖ 256GB SSD fills up quickly
✖ Older i5 processor, but still decent for gaming
7. Dell Optiplex 24 Inch Desktop Computer (Renewed)
Detailed Specifications:
- Processor: Intel Core i5 (Quad-Core, 3.2GHz)
- Graphics Card: Integrated Intel HD Graphics
- RAM: 16GB DDR3
- Storage: 512GB SSD
- Extras: RGB Gaming Keyboard & Mouse, Headset
- Operating System: Windows 10 Pro
Performance & Gaming Capabilities:
This Dell Optiplex 24-Inch Desktop is a renewed workstation PC with moderate gaming potential. It features an older quad-core Intel Core i5 processor with integrated Intel HD Graphics, meaning it lacks a dedicated GPU. As a result, it is not well-suited for modern AAA gaming, but it can still handle older titles and esports games at low settings.
Since it includes a 24-inch monitor, RGB keyboard, and a headset, it’s a good starter PC for general use and light gaming.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Minecraft | Medium | 60+ FPS |
| League of Legends | High | 80-100 FPS |
| Fortnite | Low | 30-40 FPS |
| CS:GO | Low | 50-60 FPS |
This PC is more suitable for work, light gaming, and general productivity tasks. It won’t handle demanding modern games, but if you’re looking for a budget-friendly PC with an included monitor, this is a solid option.
Pros:
✔ Includes a 24-inch monitor and accessories
✔ Good for general productivity and light gaming
✔ 16GB RAM and 512GB SSD for smooth performance
Cons:
✖ No dedicated GPU (Integrated graphics only)
✖ Not ideal for modern AAA gaming
Final Verdict:
For those who need a basic PC for work, school, and light gaming, this is a solid choice. However, gamers looking for better performance should consider other options with a dedicated GPU.
8. Dell Optiplex 7020 Desktop PC (Renewed)
Detailed Specifications:
- Processor: Intel Core i7 4th Gen (3.4GHz)
- Graphics Card: NVIDIA GeForce GT 1030 (2GB GDDR5)
- RAM: 16GB DDR4
- Storage: 512GB SSD
- Extras: HDMI, DVI, VGA, New Keyboard & Mouse
- Operating System: Windows 10
Performance & Gaming Capabilities:
The Dell Optiplex 7020 Desktop PC is a better option than the previous Optiplex model, as it features a dedicated GPU – the NVIDIA GT 1030. While the GT 1030 is not a high-end graphics card, it is still better than integrated graphics and can handle some esports and older AAA games at low to medium settings.
The Intel Core i7-4th Gen processor is outdated but still functional, especially for basic gaming and multitasking.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Fortnite | Low | 50-60 FPS |
| Valorant | Medium | 80-100 FPS |
| GTA V | Low-Medium | 40-50 FPS |
| CS:GO | Medium | 70-80 FPS |
The GT 1030 is a major step up from integrated graphics, but it’s still considered an entry-level GPU. If you’re looking for a budget gaming PC that can at least handle light gaming better than integrated graphics, this is a good choice.
Pros:
✔ Dedicated GPU (GT 1030) improves gaming performance
✔ 16GB RAM and 512GB SSD ensure smooth multitasking
✔ Good for casual gaming and general use
Cons:
✖ GT 1030 is still an entry-level graphics card
✖ Not great for demanding modern games
Final Verdict:
This PC is a better gaming option than the Optiplex without a dedicated GPU. If you’re willing to play at lower settings, this PC can handle esports games better than integrated graphics-only PCs.
9. Dell RGB Gaming Desktop PC (Renewed)
Detailed Specifications:
- Processor: Intel Core i7 (3.4GHz)
- Graphics Card: GeForce GTX 1660 Super (6GB GDDR6)
- RAM: 16GB DDR4
- Storage: 256GB SSD + 3TB HDD
- Extras: RGB Keyboard & Mouse, WiFi, Bluetooth 5.0
- Operating System: Windows 10 Pro
Performance & Gaming Capabilities:
The Dell RGB Gaming Desktop PC is one of the strongest options in the sub-$400 range due to its GTX 1660 Super GPU. The GTX 1660 Super is a mid-range graphics card that allows for smooth 1080p gaming at high settings.
The 16GB RAM and 256GB SSD ensure that the system runs efficiently, and the 3TB HDD provides plenty of storage for games and media.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Call of Duty: Warzone | High | 80-100 FPS |
| Red Dead Redemption 2 | Medium | 50-60 FPS |
| Fortnite | High | 100+ FPS |
| Cyberpunk 2077 | Medium | 50-60 FPS |
This gaming PC offers one of the best performance levels in the budget category, making it a great choice for those who want more power without exceeding $400.
Pros:
✔ GTX 1660 Super is one of the best GPUs under $400
✔ Smooth 1080p gaming performance
✔ Plenty of storage with 3TB HDD + 256GB SSD
✔ WiFi and Bluetooth 5.0 included
Cons:
✖ 256GB SSD is small for modern game installs
✖ Renewed system – some parts may show signs of previous use
10. Gaming PC AMD Ryzen 5 Quad-Core Processor (Prebuilt)
Detailed Specifications:
- Processor: AMD Ryzen 5 Quad-Core (Up to 3.7GHz)
- Graphics Card: Integrated AMD Radeon Vega Graphics
- RAM: 16GB DDR4
- Storage: 512GB NVMe SSD
- Extras: Prebuilt Desktop, Black Case
- Operating System: Windows 10
Performance & Gaming Capabilities:
This prebuilt gaming PC features an AMD Ryzen 5 processor with integrated Radeon Vega graphics, making it a good option for casual gaming and productivity. Since it lacks a dedicated GPU, it is best suited for lightweight games and esports titles.
Integrated graphics have improved significantly, and Vega graphics can handle some modern titles at low settings. The 16GB RAM and 512GB NVMe SSD ensure smooth multitasking and fast game load times.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Fortnite | Low | 40-55 FPS |
| Valorant | Medium | 80-100 FPS |
| CS:GO | High | 100+ FPS |
| Minecraft | Medium | 90+ FPS |
While this PC won’t run demanding AAA titles well, it’s a good choice for those who prioritize general productivity and light gaming.
Pros:
✔ AMD Vega graphics offer decent integrated performance
✔ 16GB RAM ensures smooth multitasking
✔ 512GB NVMe SSD for fast system response
✔ Affordable prebuilt option
Cons:
✖ No dedicated GPU limits gaming performance
✖ Not ideal for modern AAA games
Final Verdict:
For users looking for a budget gaming PC with solid integrated graphics, this Ryzen 5 system is a good option for esports and casual gaming. However, for better gaming performance, a system with a dedicated GPU is recommended.
11. KAMRUI Mini PC (AMD Ryzen 7 PRO 5875U)
Detailed Specifications:
- Processor: AMD Ryzen 7 PRO 5875U
- Graphics Card: Integrated AMD Radeon Graphics
- RAM: 16GB DDR4
- Storage: 512GB M.2 SSD
- Extras: Mini Gaming PC, USB Type-C, Windows 11 Pro
Performance & Gaming Capabilities:
The KAMRUI Mini PC is a compact gaming and productivity system, featuring an AMD Ryzen 7 PRO 5875U processor with integrated Radeon graphics. While it is not a high-end gaming PC, its powerful processor and fast SSD make it ideal for general use and light gaming.
Since it lacks a dedicated GPU, it is best suited for esports titles, indie games, and older AAA games at lower settings. The USB Type-C and small form factor make it a great choice for users who want a compact setup.
Expected FPS for Popular Games:
| Game | Settings | FPS (Estimated) |
|---|---|---|
| Valorant | High | 80-100 FPS |
| League of Legends | High | 100+ FPS |
| GTA V | Low-Medium | 40-50 FPS |
| Rocket League | Medium | 70-90 FPS |
The Ryzen 7 PRO processor offers stronger multi-threading performance, making it a good choice for users who need a balance between gaming and work tasks.
Pros:
✔ Compact design with strong performance
✔ 16GB RAM and 512GB SSD for fast performance
✔ Good for esports and casual gaming
✔ USB Type-C for modern connectivity
Cons:
✖ No dedicated GPU, limiting gaming performance
✖ Not ideal for graphically demanding titles
Comparison Table: Best Gaming PCs Under $400
| PC Model | Processor | Graphics | RAM | Storage | Extras | Best For | Link |
|---|---|---|---|---|---|---|---|
| STGAubron Gaming PC Desktop | Intel Core i5 (up to 3.6GHz) | Radeon RX 560 (4GB GDDR5) | 16GB DDR4 | 512GB SSD | 2 RGB Fans, RGB Mouse Pad | Esports and casual gaming | Amazon Link |
| STGAubron Gaming PC Computer Desktop | Intel Core i5 (3.2GHz - 3.6GHz) | Radeon RX 560 (4GB GDDR5) | 16GB DDR4 | 512GB SSD | 3 RGB Fans, RGB Mouse Pad | Slightly better cooling, esports gaming | Amazon Link |
| HP Desktop Computer (Renewed) | Intel Core i5-6500 (up to 3.6GHz) | GeForce GT 1030 (2GB GDDR5) | 16GB DDR4 | 512GB SSD | RGB Keyboard & Mouse | Basic gaming and everyday use | Amazon Link |
| HP PC Desktop (Renewed) | Intel Core i5-7500 (up to 3.8GHz) | GeForce GTX 1660 Super (6GB GDDR6) | 32GB DDR4 | 128GB SSD + 3TB HDD | RGB Keyboard & Mouse | Best gaming performance, great storage | Amazon Link |
| Dell OptiPlex 24 Inch Desktop (Renewed) | Intel Core i7 | AMD RX 550 (4GB GDDR5) | 16GB DDR4 | 512GB SSD | 24-Inch Monitor | Esports gaming, good office setup | Amazon Link |
| Gaming PC AMD Ryzen 5 Quad-Core | Ryzen 5 (Up to 3.7GHz) | Integrated AMD Radeon Vega | 16GB DDR4 | 512GB NVMe SSD | Black Case | Casual gaming, productivity | Amazon Link |
| Dell Gaming PC Desktop (Renewed) | Intel Quad-Core i5 (Up to 3.6GHz) | GeForce GTX 1660 Super (6GB GDDR6) | 16GB DDR4 | 256GB SSD + 3TB HDD | RGB Keyboard & Mouse, WiFi & Bluetooth 5.0 | Best 1080p gaming experience | Amazon Link |
| Dell Optiplex 24 Inch Desktop (Renewed) | Intel Core i5 (3.2GHz) | Integrated Intel HD Graphics | 16GB DDR3 | 512GB SSD | RGB Keyboard & Mouse, Headset | Office use, very light gaming | Amazon Link |
| Dell Optiplex 7020 Desktop PC (Renewed) | Intel Core i7 (4th Gen, 3.4GHz) | NVIDIA GeForce GT 1030 (2GB GDDR5) | 16GB DDR4 | 512GB SSD | HDMI, DVI, VGA, New Keyboard & Mouse | Entry-level gaming with a dedicated GPU | Amazon Link |
| Dell RGB Gaming Desktop PC (Renewed) | Intel i7 (3.4GHz) | GeForce GTX 1660 Super (6GB GDDR6) | 16GB DDR4 | 256GB SSD + 3TB HDD | RGB Keyboard & Mouse, WiFi, BT 5.0 | Best for 1080p high settings gaming | Amazon Link |
| KAMRUI Mini PC | AMD Ryzen 7 PRO 5875U | Integrated AMD Radeon Graphics | 16GB DDR4 | 512GB M.2 SSD | Mini Gaming PC, USB Type-C, Windows 11 Pro | Compact PC for casual gaming and work | Amazon Link |
Conclusion: Choosing the Best Gaming PC Under $400
Finding a gaming PC for 400 dollars may seem challenging, but with the right balance of processor power, graphics capabilities, RAM, and storage, you can get a system that handles esports titles, casual gaming, and even some modern AAA games at 1080p.
If your priority is gaming performance, choosing a PC with a dedicated GPU is the best option. The GTX 1660 Super-equipped desktops, such as the Dell RGB Gaming Desktop and HP PC Desktop, offer the best FPS and smooth gameplay at higher settings.
For those who need a monitor included, the Dell OptiPlex 24-Inch Desktop is an all-in-one solution, making it perfect for office work and light gaming.
If you're looking for a budget-friendly prebuilt gaming PC, STGAubron Gaming PC Desktop is an excellent choice for esports titles and casual gaming with Radeon RX 560 graphics.
For those who need a compact mini PC that offers a mix of productivity and light gaming, the KAMRUI Mini PC with Ryzen 7 PRO and Radeon integrated graphics is a strong contender.
Ultimately, the best PC for you depends on what games you plan to play and whether you need a complete setup with peripherals or just the desktop unit. If you want to maximize gaming performance, go for a GTX 1660 Super model. If casual gaming and everyday use is your priority, an integrated graphics option will be more budget-friendly.
No matter which option you choose, all these budget-friendly gaming PCs under $400 offer great value and allow you to get started in PC gaming without breaking the bank.
