If you are looking for the best PSU brand, you have come right. In this article, I will look at some of the best power supply brands on the market and see what makes them stand out. PSU brands are essential because they provide your computer’s power to run. A good PSU brand is able to provide enough power for your computer to smoothly run without giving any lagging issues.
There are a lot of great PSU brands out there. But, which one is the best? This article is backed with the astonishing PSU brands to make your next purchase more fruitful. Additionally, I will be looking at the features of each product of the most popular brands, the quality of their products, and the overall value for money. So, without further ado, let’s look at the best PSUs.
10 Most Reliable Power Supply Brand
- Seasonic Best PSU Brand PRIME Titanium 1000W
- Corsair PSU RMX Series 1000 Watt Power Supply
- FSP Hydro 650W Best Power Supply Companies
- MSI A850GF Power Supply Unit
- Silverstone SFX-L Best Power Supply Manufacturer
- ASUS TUF Best PSU for Gaming 550W Bronze
- G.Skill 850 Watt Best Budget PSU for Gaming
- Seasonic FOCUS Best PSU Brand for Mining
- Enermax Revolution DF Best 750W PSU
- MAINGEAR Ignition Gaming Biggest Computer Power Supply
- Buying Guide for Best PSU Brand
- How to Install the Best PSU Brand?
A reliable power supply is a must in a world filled with electronic devices to find the most reliable power supply brand. There are many factors to consider.
The brand must have a good reputation, offer a wide variety of products, and provide excellent customer service. With a reputation for quality and reliability, you can’t go wrong with a power supply from a reliable power supply brand.
1) Seasonic Best PSU Brand PRIME Titanium 1000W
Want to have a top-of-the-line power supply to handle even the most demanding computers? Check out the Seasonic best PSU brand with 135mm FDB Fan Power On Self Tester.
| Specifications | Values |
| Output Wattage | 1000 Watts |
| Connector Type | SATA 3.3 |
| Form Factor | ATX12V |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 135 Millimeter |
| Dimensions | 6.69×5.91×3.39 Inch |
| Weight | 4.62 Pounds |
This perfect power supply brand features a massive 1000-Watt output and is 80+ Titanium rated for maximum efficiency. It also features a fully modular design for easy installation and a FDB fan for quiet operation.
Micro Tolerance Load Regulation:
It features excellent micro tolerance load regulation, meaning that it can maintain tight voltage regulation even under heavy loads. This makes it ideal for high-end gaming PCs or other demanding applications.
The PRIME 1000 also features a large 140mm fan that helps keep it cool, even under heavy loads. Overall, this is an excellent choice for those needing a high-end power supply.
Features Premium Hybrid Fan Control:
When it comes to top-of-the-line power supplies, the Seasonic PRIME 1000 is in a class of its own. This premium power supply features hybrid fan control, which gives you the best of both worlds for cooling.
The fan control allows you to switch between two different fan profiles, depending on your needs. The first profile is designed for silent operation, while the second is designed for maximum cooling efficiency.
80 PLUS TITANIUM Ensures 92% Efficient at 20% Load:
As the most efficient power supply in the PRIME family, the PRIME 1000 Titanium can deliver up to 92% efficiency at 20% load. Its Active Power Factor Correction with an ultra-high efficiency of up to 99.9% provides clean and reliable power for your system.
This product also features a large 140mm fluid dynamic bearing fan that delivers silent and long-lasting operation. Its modular design with all-black flat cables makes for easy installation and improved airflow within your system.
Positive
- Delivers outstanding performance, thanks to its high-quality components and careful engineering
- Great for optimizing airflow and reducing clutter in your case
- Features a silent fan that only spins up when needed, perfect for slow builds
- Platinum certification is highly efficient and will help you save money on your electricity bill
- It comes with a 12-year warranty, so you can be sure it’s a long-lasting investment
Negative
- Requires an 8-pin EPS connector for full compatibility
2) Corsair PSU RMX Series 1000 Watt Power Supply
| Specifications | Tested Values |
| Output Wattage | 1000 Watts |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 135 Millimeters |
| Dimensions | 7.09×5.91×3.39 Inch |
| Weight | 4.4 Pounds |
The Corsair PSU 1000 Watt Power Supply is excellent for a high-quality, fully modular power supply. It is made with high-quality components and is designed to deliver clean, stable power to your system.
Its amazing design allows me to use the cables that I need to make my system look clean and tidy. The gold-plated connectors provide excellent conductivity and are corrosion-resistant.
135mm ML Fan with Magnetic Levitation Bearing:
The RM1000x Power Supply is a high-end power supply that uses a 135mm ML fan with a magnetic levitation bearing. This makes it virtually silent and ensures a long lifespan. The fan is also highly efficient, providing ample cooling for your system.
It is one of the most efficient and reliable on the market, and a big part of that is due to the custom-engineered rotors. These rotors have been designed specifically for high performance, low noise, and superior reliability.
Compatibility with Modern Graphics cards:
The EPS12V connector is a new addition to the Corsair Power Supply. This connector is for compatibility with modern graphics cards and motherboards. It is an excellent feature for me to use new graphics card or motherboard with their existing power supply.
This connector will make it possible to use the new card or motherboard with the existing power supply without any compatibility issues.
Supports Modern Standby Sleep Mode:
This Power Supply is designed for those who demand the very best power and reliability. The capacitors used in this power supply are of the highest quality and ensure that the power delivered is unwavering.
Additionally, the best pc power supply brands support Modern Standby sleep mode for swift wake-from-sleep times and better low-load efficiency. I personally experienced this feature and like it very much.
Positive
- One of the most efficient power supplies on the market, with an 80 Plus Gold certification
- I can easily add or remove cables as needed, and it will be easy to keep tidy
- Very quiet, thanks to the use of high-quality Japanese capacitors
- It comes with a 7-year warranty, so you can be sure that it will last
- RM1000x Power Supply is one of the most affordable power supplies with these features
Negative
- The power supply is not compatible with some older motherboards
3) FSP Hydro 650W Best Power Supply Companies
| Specifications | Featured Values |
| Output Wattage | 650 Watts |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 135 Millimeters |
| Dimensions | 6×3.5×6.5 Inch |
| Weight | 5.79 Pounds |
The FSP Hydro is one of the best power supply companies is a high-performance power supply designed for gamers and other power-hungry users.
It is 80 PLUS Gold certified, meaning that it is up to 90% efficient, and it has a fully modular design for easy installation. The Active PFC power supply provides clean and stable power to your system, and it comes with a 3-year warranty.
Quiet & Long-Lasting 135mm FDB Fan:
The 135mm FDB fan on the FSP Hydro GE 650W Power Supply is a great feature that helps keep the power supply quiet and long-lasting. This fan of the best PSU brand is designed to provide excellent airflow and cooling while also being very quiet and efficient.
It is an excellent choice for those who want a power supply that will last them a long time and be quiet at the same time.
Full Modular with Ribbon Cables:
It is a high-end power supply with many features that are perfect for gaming and other high-performance computing needs. One of the best features of this power supply is the full Japanese electrolytic capacitors.
The full modular with ribbon cables is another excellent feature. It allows me to connect and disconnect my components easily. Whether you’re a hardcore gamer or a power user, the Hydro GE 650W is the perfect choice for your high-end PC.
High Efficiency 90% with 80PLUS Gold Certification:
It is designed to meet the most demanding requirements of today’s power-hungry computers. This is a high-efficiency power supply with 80PLUS Gold certification.
It complies with the latest ATX12 v2.4 and EPS12 v2.92 standards, making it an excellent choice for high-end PCs and gaming rigs. The power supply features a modular design with flat black cables and a 120mm PWM fan for quiet operation.
Positive
- FSP Hydro GE 650W is a very powerful power supply with great features
- Has a perfect price/quality ratio
- Very reliable and durable
- Comes with a 3-year warranty
- Easy to install and use
Negative
- Doesn’t come with a power cord
4) MSI A850GF Best Branded Power Supply Unit
| Specifications | Values |
| Output Wattage | 850 Watts |
| Warranty | 10 Years |
| Maximum Input Voltage | 240 Volts |
| Cooling Method | Air |
| Fan Size | 140mm FDB Bearing |
| Dimensions | 11.3×8.3×5.1 Inch |
| Weight | 6.67 Pounds |
The MSI, power supply unit is an excellent choice for high-end gaming PCs. Its 850 watts of continuous power delivery is more than enough to support even the most power-hungry gaming rigs.
This full modular design allows me to easily add or remove cables. Plus, its 80 PLUS Gold certification ensures high efficiency, and the 10-year warranty gives me peace of mind.
Ideal for Gaming Systems:
MSI’s MPG Series A850GF power supply is a great option to consider. This PSU has an 850W power output and various features that make it ideal for gaming systems.
Some notable features include 80 Plus Gold certification for efficiency, a silent mode for quiet operation, and a fully modular design for easy installation. It is guaranteed to provide reliable long-term operation.
Fully Modular Cabling Design:
This product is designed to do both, with many features perfect for anyone looking to tidy up their desktop. These PSU highlights are its fully modular cabling design, which allows you only to connect the cables you need.
Its 80 Plus Gold certification is highly efficient and won’t generate excess heat or noise. Additionally, this comes with a large 135mm fan that helps keep it cool, even under heavy load.
High-Quality 105°C Japanese Capacitors:
It is essential to use high-quality 105°C Japanese capacitors and solid capacitors for the MSI best PSU brand. This is because lower-quality capacitors have a shorter lifespan and are more likely to fail.
The use of lower-quality capacitors can also lead to poor power regulation, which can cause instability and damage to sensitive computer components.
Positive
- Plenty of power for gaming rigs
- It can power multiple graphics cards
- Comes with a variety of connectors
- Modular design for flexible installation
- This piece of invention is 80 plus Gold certified
Negative
- This power supply is not SLI or Crossfire ready
5) Silverstone SFX-L Best Power Supply Manufacturer
| Specifications | Tested Values |
| Output Wattage | 1000 Watts |
| Form Factor | SFX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 120 Millimeters |
| Dimensions | 11.6×7.7×4.1 Inch |
| Weight | 5.84 Pounds |
Silverstone Technology is the best power supply manufacturer on the market. The SX1000 Platinum is a high-performance power supply that is 80PLUS Platinum certified and fully modular.
It is designed for use in small form factor (SFF) computers and features a small footprint for easy installation and I found it very effective. The SX1000-LPT V1. 1 is a 1000W power supply that delivers excellent efficiency backed by a 5-year warranty.
Fully Modular SFX-L:
The SX1000 Platinum is a fully modular SFX-L power supply that has been designed for use in small form factor computers. It is 80PLUS Platinum certified and has a 1000W power output.
This is the latest version of the SX1000 and features a new form factor that is smaller and more compact. The SX1000-LPT is also compatible with the latest Intel Haswell-E platform.
+12V Rail gives up to 83.3A Output:
One of the things that set the Silverstone SX1000 Platinum power supply apart from the competition is its class-leading single +12V rail. This rail can deliver up to 83.3A of power, enough to power even the most demanding systems.
The best PSU brand features make it ideal for powering high-end gaming PCs and workstations. Plus, the SX1000 Platinum is 80PLUS Platinum certified, meaning it’s incredibly efficient and will help you save money on your energy bill.
Advanced Semi-fanless Operation:
This advanced semi-fanless operation fan is designed for quiet operation and optimal airflow. It is perfect for use in high-end gaming PCs or any other system where silence is a crucial factor and it’s really works for me.
With a massive 1000W of power on tap, this PSU can also power the most demanding graphics cards and other components, making it a great choice for any high-end build.
Positive
- Improves airflow and reduces clutter
- Platinum certification gives up to 92% efficiency
- Includes numerous improvements over the preceding version
- Comes with a seven-year warranty, longer than the average for similar products
- One of the most affordable 80PLUS Platinum power supplies on the market
Negative
- Not compatible with all computer cases
6) ASUS TUF Best PSU for Gaming 550W Bronze
| Specifications | Featured Values |
| Output Wattage | 550 Watts |
| Form Factor | ATX |
| Power Supply Design | Non-Modular |
| Cooling Method | Air |
| Dimensions | 5.91×5.91×3.39 Inch |
| Weight | 4.16 Pounds |
The ASUS TUF Best PSU for Gaming 550W Bronze PSU is great for anyone looking for a high-quality power supply. The Axial-tech fan design and Dual Ball Fan Bearings create a 0dB technology that ensures 80 PLUS Bronze Certification.
The 80cm 8-pin CPU Connector is perfect for a 6-year Warranty and delivers optimal power to your system. It is designed for optimal cooling and durability.
Military-Grade Certification:
The ASUS is certified by 80 PLUS to deliver up to 90% efficiency under real-world load conditions. It features a military-grade certification, meaning it’s been tested to withstand the rigors of everyday use and it is best in business according to my experience.
A 120mm fan and 0dB technology keep it cool and quiet even when the action heats up, making it the best power supply for gaming.
Axial-Tech Fan Design:
This PSU features an axial-tech fan design with a smaller fan hub for reduced friction, allowing the fan blades to spin freely and provide longer-lasting stability. The fan is also IP5X dust resistant for greater durability.
It also features longer blades and a barrier ring for better cooling performance and stability. The longer blades create a more powerful airflow, while the barrier ring helps to reduce turbulence.
Built with 0dB Technology:
The ASUS PSU is built with 0dB technology that lets you enjoy light gaming in relative silence. This power supply is 80+ Bronze certified and comes with a 120mm silent fan that cools your system quietly.
The best PSU brand also has a flat black cable that is easy to route and hides neatly in your system. It comes with an 80cm 8-pin CPU connector compatible with the most popular CPUs on the market.
Positive
- 80+ Bronze efficiency rating for reduced power consumption and lower electricity bills
- 120mm silent fan for quiet operation
- Active Power Factor Correction (PFC) for clean and reliable power delivery
- Fully modular system for easy installation and improved airflow
- 5-year warranty for peace of mind
Negative
- A lower wattage rating may not be enough for some heavy gaming rigs
Negative
7) G.Skill 850 Watt Best Budget PSU for Gaming
| Specifications | Values |
| Output Wattage | 850 Watts |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 120 Millimeters |
| Dimensions | 5.9×5.5×3.3 Inch |
| Weight | 6.09 Pounds |
The G.Skill 850 Watt Power Supply is a fully modular gaming desktop PC and one of the best budget PSUs with a quiet cooling fan and ATX 12V active PFC switching power supply unit.
It is 80 Plus Gold certified for energy efficiency, and its fully modular design makes for easy installation. The power supply also features a 120mm quiet cooling fan for whisper-quiet operation.
Next-Generation System Build:
This PSU is designed for high-end systems and provides 850 watts of power for your gaming and media needs.
The 850 Watt Gaming Desktop PC PSU is an excellent choice for gamers and media creators like me who demand the best performance from their system. It is a new gaming rig, media creator, workstation, or next-generation system build power supply.
Generate Less Heat & Run Cooler & Quieter:
This Gaming Desktop PC PSU provides ultra-high power efficiency with 91%+ efficiency at 50% system load. With this kind of efficiency, your gaming rig will be able to generate less heat and run cooler and quieter.
This makes it one of the most power-efficient gaming desktop PC PSUs. It also features a modular design that allows easy installation and removal of components.
Handle Most Demanding Gaming Rigs:
When it comes to my desktop PC, I need to be sure that it can handle anything I throw at it. This PSU is designed to give you the heavy-duty protection you need from electrical and thermal irregularities.
Its 850 wattages can handle even the most demanding gaming rigs. And its modular design means that you can easily add or remove components as needed.
Positive
- A fully modular design helps keep your PC tidy and organized
- 80 Plus Gold certification ensures high efficiency
- 120mm cooling fan helps keep your system cool and quiet
- Active PFC switching power supply helps improve power efficiency
- MB850GMMUS is compatible with a variety of PC setups
Negative
- It may require professional installation
8) Seasonic FOCUS Best PSU Brand for Mining And Gaming
| Specifications | Tested Values |
| Output Wattage | 1000 Watts |
| Form Factor | ATX12V |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 120 Millimeters |
| Dimensions | 5.5x6x3.4 Inch |
| Weight | 3.52 Pounds |
The Seasonic FOCUS Plus is the best PSU brand for mining. It delivers excellent power output, superb efficiency, and fantastic performance. This excellent power supply is 80+ Gold certified and features a fully modular design with a 120mm FDB fan for quiet operation.
It also comes in a compact 140mm size for easy installation. This PSU is the perfect choice for any high-end gaming or overclocking system.
High-Powered & Reliable:
It is an excellent choice for anyone looking for a high-powered and reliable PSU. This unit is 140 mm deep and has a high power output to size ratio, making it an excellent option for gaming PCs or other high-end systems.
It also features a modular design, allowing me to add or remove cables as needed and various safety features to keep my system running smoothly and safely.
Hybrid Silent Fan Control:
It features all the protections that the series is known for, including 80 PLUS Platinum certification, Active PFC, a full bridge topology, and DC-to-DC circuitry.
The new PSU also uses a hybrid silent fan control that allows semi-passive cooling. These fans only spin up when the PSU is under heavy load or at a high ambient temperature. This makes the FOCUS+ Platinum 1000W one of the quietest PSUs on the market.
Reduce Clutter & Keep System Running Cooler:
If you’re looking to tidy up your computer and improve airflow, you should focus on using only the cables you need. That way, you can reduce clutter and keep your system running cooler.
This power supply unit is an excellent option for cable management, as it comes with only the cables you need to get started. Plus, it’s fully modular, so you can add or remove cables as needed.
Positive
- Gold 80 Plus certified for high efficiency
- Fully modular design for easy installation
- Quiet and reliable operation without creating any disturbance
- 10-year warranty for peace of mind
- Excellent value for the price
Negative
- Some users found the included cables to be too short
9) Enermax Revolution DF Best 750W Power Supply Unit
| Specifications | Featured Values |
| Output Wattage | 750 Watts |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Fan Size | 135 Millimeters |
| Dimensions | 5.91×3.39×6.3 Inch |
| Weight | 6.05 Pounds |
Enermax Revolution Best 750W PSU is a great choice for powering your high-end system. It’s 80 Plus Gold certified, meaning it’s highly efficient, and it comes with a full-modular design, so you can easily customize your system’s cables.
Plus, it features a 135mm silent fan and black flat cables, and it comes in a compact 160mm size.
Up to 92% Efficient Between 20 & 100% Load:
It is up to 92% efficient between 20 and 100% load, making it one of the most efficient power supplies on the market. This efficiency means less heat is generated, resulting in lower energy bills.
The company has developed and patented several technologies to improve the efficiency of its products and reduce their environmental impact. One example is the use of lead-free solder in its products.
Handle Multiple Rail Voltages:
It is an excellent choice for a quality power supply that can handle multiple rail voltages. The PSU features a modular design that allows for easy installation and configuration.
Its 750W power output makes it capable of powering even the most demanding PC setups. This best PSU brand also includes various safety features, making it a safe and reliable choice for your PC.
Almost Inaudible Sound & Smart Air Flow:
The unique power supply is designed with intelligent airflow control, which keeps the PSU fan running at a minimum even when the system is under full load. This allows for quieter operation and helps prolong the PSU’s life.
It is almost inaudible at 400 RPM up to 70% load, making it an excellent choice for quiet computing. This power supply also has a high efficiency of up to 92%, which will help you save on your energy bills.
Positive
- Outstanding build quality with all Japanese capacitors
- Offers the perfect voltage regulation
- Shallow ripple and noise for quieter working
- Excellent efficiency (>90%) increases the power and rescues carbon prints
- Generous 7-year warranty for durability support
Negative
- Not the most affordable option
10) MAINGEAR Ignition Gaming Biggest Computer Power Supply
| Specifications | Values |
| Output Wattage | 1200 Watts |
| Connector Type | ATX, Floppy, SATA |
| Form Factor | ATX |
| Power Supply Design | Full Modular |
| Cooling Method | Air |
| Dimensions | 3.39×5.91×7.49 Inch |
| Weight | 5 Pounds |
The MAINGEAR Ignition is the biggest computer power supply 80-Plus Platinum rated. This PSU has a 1200 Watt power output and is designed to gives me the best gaming experience possible.
Its modular design of this power supply allows me to easily connect and disconnect your components, making it easy to upgrade or replace my system components. The Ignition also has a silent operation and comes with a five-year warranty.
High-Quality Components for Maximum Reliability:
This Gaming PSU is a high-performance PSU perfect for gaming or workstation use. It delivers clean, stable power to your system and is built with high-quality components for maximum reliability.
The best PSU brand is also modular, so you can easily add or remove cables. This is the only gaming PSU that can give you the power and performance you need to take your gaming to the next level.
High Power Draw Systems:
It is the best Multi-GPU; high power draw systems require a gaming PSU that can handle the demands of today’s top-of-the-line graphics cards.
The MAINGEAR Ignition is a PSU that is up to the task, with 1,500 watts of power and 80 Plus Bronze certification. This PSU has the connectors you need to power multiple GPUs, and it comes with a five-year warranty for peace of mind.
Powerful 100 Amp Single Rail Gaming PSU:
It is a powerful 100 Amp single rail gaming PSU perfect for any high-end gaming rig. With its massive 100 Amp single rail, the Ignition can provide plenty of power for even the most demanding gaming systems.
The Ignition is also equipped with various features that make it perfect for any gaming setup. These include multiple PCIe 8-pin and 6-pin connectors, a 120mm fan for cooling, and a fully modular design.
Positive
- Excellent build quality with a strong focus on aesthetics
- Fantastic performance with very little noise
- Fully modular design with plenty of cables included
- Outstanding Gold certified for high efficiency
Negative
- Some users have reported issues with the included cables
Buying Guide for Best Power supply Unit Brand
When choosing a PSU, there are many factors to consider. The most important factor is probably the wattage; you need to make sure that your PSU can handle the power requirements of your system.
Other factors include efficiency, modularity, and price. This buying guide will help you choose the best PSU for your needs.
Required Wattage System:
On the other hand, if you choose one of the top PSU brands that’s too strong, you’ll be wasting money on unnecessary power.
When shopping for a PSU, the wattage is the most important thing to look at. This is the power that the PSU can provide to your system. It’s essential to choose a PSU that can handle the power requirements of your system; if you choose a PSU that’s too weak, it could cause your system to crash.
Deliver the Efficiency:
In addition to wattage, you’ll also want to consider efficiency. A more efficient PSU will generate less heat and be more effective at converting AC power to DC power. Efficiency is usually measured in the 80 plus rating; PSUs with a higher rating are efficient.
Modularity Support
Modularity is another essential consideration. A modular PSU allows you to connect only the cables you need, which can help to improve airflow and reduce clutter in your case.
Most high-end PSUs are modular, but some lower-priced modular PSUs are available. Finally, you’ll need to consider the price, and PSUs can range from around $50 to over $200.
Inexpensive and Budget-friendly
Choosing a PSU within your budget is essential, but you also need to make sure that it can meet your power needs.
How to Install the Best PSU Brand?
If you want to know to install the best PSU brand, you need to follow the following instructions:
- Open the computer case and locate the power supply.
- Remove the screws that hold the power supply in place.
- Carefully remove the power supply from the case.
- Now, you need to connect the power supply to the motherboard.
- After that, connect the power supply to the power outlet.
- Turn on the computer and check if the power supply is working properly.
The Seasonic PRIME 1000W Titanium SSR-1000TR 80+ Titanium Power Supply is the best PSU brand based on the features and reviews. It has a high-quality build, great features, good performance, and is very reliable.
It is a reliable and well-made product that will last for many years. The Seasonic PRIME 1000 Titanium is also a very efficient power supply. It will use less energy and produce less heat. This makes it an excellent choice for those looking for a power supply that is environmentally friendly and durable.
BEST RECOMMENDED PRODUCT
Seasonic is one of the most reputable brands on the market, and their PSUs are suitable for gaming. However, other brands also make great PSUs, so it depends on your budget and what you’re looking for in a PSU.
A brand does matter when it comes to PSU, as different brands offer different levels of quality and performance. Some brands offer better quality PSU than others, so it is vital to research the best option for your needs.
There are many good power supply brands, but some of the most popular include Corsair, MSI, and Seasonic.
A Bronze PSU is typically enough for most gaming computers. However, if you plan to use multiple graphics cards or overclock your CPU, you may need a higher-end PSU.
