Choosing a new 550 watt power supply is a big decision, and it’s often difficult if you’re unfamiliar with these products. Separating the good from the best can be even more challenging, and that’s why we’ve reviewed them out to provide our expert opinions.
Our list of the best 550 watt power supply is a great place to start, with our top picks across brands, budgets and categories. Pick yours now-
| Image | Product Name | Action |
 | EVGA 100-N1-0550-L1 550 N1, 550W, 2 | |
 | Cooler Master MWE White 550 80+ | |
 | Thermaltake Smart BM2 550W 80+ Bronze | |
 | Corsair CX550F RGB, 550 Watt, 80 | |
 | EVGA 550 BP, 80+ Bronze 550W, |
Our In-Depth Reviews of Top 10 550 Watt Power Supply
We found many reviews when researching. We have considered user feedback on the best 550 watt power supply and our suggestions include only the finest of them in this article.
Evga 100-N1-0550-L1 550 N1, 550W, 2
- EVGA 550W N1 Series
- Fan size / Bearing: 120 millimeter sleeve bearing – quiet and intelligent auto fan for near-silent operation
- Heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP
- 2 Year & EVGA’s 24/7 technical support
Cooler Master Mwe White 550 80+
- Single +12V Rail: The power source is monitored on a single circuit, ensuring consistent output through all connected cables.
- DC-to-DC Technology: The DC-to-DC + LLC circuit design offers reliable, stable output to all connected components.
- 120mm HDB Fan: Employs a responsive fanspeed control, limiting noise to specific cooling requirements during use.
- Silent Mode: The fan will not spin under lower loads or standby, ensuring a quiet user experience.
- Flat Black Cables: Flat cables to take up less space for easier cable management.
Thermaltake Smart Bm2 550W 80+ Bronze
- [80+ BRONZE & INTEL C6/C7 STATES READY] – Deliver up to 85% efficiency, BM2 Series optimized to work with all generations of Intel’s processors to achieve maximum energy saving
- [JAPANESE MAIN CAPACITOR] – High quality Japanese capacitors offer the highest stability, durability, and reliability
- [DC TO DC DESIGN] – Efficiently change voltage level for 12V, 5V, and 3V to match the loads to the power supply
- [HIGH AMPERAGE SINGLE +12V RAIL] – ensures a stable and reliable supply to other PC components
- [Industrial protections] – (OVP) Over Voltage protection, (SCP) short circuit protection, (OPP) over Power Protection, (OTP) over temperature protection, and (OCP) Over current protection
Corsair Cx550F Rgb, 550 Watt, 80
- 80 PLUS Bronze certified efficiency provides up to 88% operational efficiency, generating less heat and lowering your energy costs.
- Control RGB lighting at the push of a button, with ten preset lighting modes for eight individually addressable RGB LEDs built into a 120mm RGB fan.
- Connect to a CORSAIR iCUE RGB Lighting Controller (sold separately) or motherboard via the included 5V ARGB adapter for advanced RGB lighting control.
- A dedicated optimized fan curve is specially calculated to keep noise levels down.
- Supports Microsoft Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency.
Evga 550 Bp, 80+ Bronze 550W,
- 80 PLUS Bronze certified, with 85% efficiency or higher under typical loads
- Single 12V. Rail with DC-DC Converter to improve 3.3V/5V stability
- Active Power Factor Correction (PFC)
- Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection)
- 3 Year Limited Warranty
Masterwatt 550 Watt Semifanless Modular Power
- Semi-Fanless up till 15% load – Experience noise-free operation in normal PC loads under 15% output.
- Dual Forward and DC-to-DC circuit design – The Dual Forward and DC-to-DC circuit design offers reliability and stability especially significant in plus 3.3V and plus 5V output.
- 5 years warranty – The MasterWatt comes with a 5 year warranty
- More Conductive PCI-e Cables – The MasterWatt uses 16AWG cables for PCI-e cables. Less resistance means better efficiency.
- Durable LDB bearing – Silencio technology combines sealed LDB bearings with quiet fan blades delivering a long lifetime of quiet cooling.
Nzxt C550 Bronze – Pa-5B1Bb-Us –
- 80+ BRONZE CERTIFIED: This series gives you the safe and reliable power you need while generating less heat to keep your system quiet and efficient
- SILENT OPERATION: The 120mm FDB silent fan ensures the power supply can silently operate at high load. Capacitors, transformers, and coils have undergone treatment to reduce electromagnetically induced acoustic noise.
- COMPATIBLE AND EFFICIENT: The C Series Bronze fits any case supports ATX PSU, supporting most of the latest NVIDIA 30 series and AMD 6000 series GPUs.
- BUILT FOR BUILDERS: The semi-modular design ensures easier installation and less clutter. The stylish matte black sleeved main cables resist heat damage and fraying, delivering better durability and longevity.
- MAXIMUM EFFICIENCY: At 50% Load, power conversion efficiency reaches 2% higher than 80 plus Bronze Standard.
Be Quiet! Bn670 Pure Power 11
- 80 PLUS Gold efficiency (up to 93.5%)
- Modular cables for maximum build flexibility
- Two strong 12V-rails
- Silence-optimized 120mm be quiet! fan
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
Ptcliss 550W Gd550S Atx Gaming Pc
- 550watt non-modular ATX gaming pc power supply
- 80 PLUS Bronze , with 85% efficiency or higher under typical loads
- 120mm ultra quiet fan ,excellent cooling performance
- Connector:24（20+4）Pin x 1，ATX 12V 4+4 Pin x 2，PCI-E 6+2 Pin x1, Molex x 3， SATA 4PIN x 4
- Heavy-duty protection including: Over Voltage Protection(OVP),Under Voltage Protection(UVP),Over Power Protection(OPP)and Short Circuit Protection(SCP)Over Current Protection
Silverstone Technology 550 Watt 80 Plus
- High efficiency with 80 PLUS Bronze certification
- 24/7 continuous power output with 40℃ operating temperature
- Class-leading single +12V rail. PCI-E 8pin and PCI-E 6pin connectors support.
- Silent running 120mm fan with 18 dBA
- All-black flat cables design
Expert Tips for Finding the Perfect 550 Watt Power Supply
When it comes to making a purchase, whether it’s a small item or a major investment, it’s important to take the time to consider all of your options and make an informed decision. This can be especially true when it comes to choosing a product that you’ll be using on a regular basis or that has a significant impact on your life.
So, what should you look for before buying 550 watt power supply? Here are a few key considerations:
Price of the Product: Price is often a major factor when it comes to making a purchase, but it’s important to remember that the cheapest option may not always be the best. Consider the long-term cost of the product, including any maintenance or repair costs, rather than just the initial purchase price.
Quality: Look for products that are made with high-quality materials and construction. A product that is built to last can save you money in the long run by not having to constantly replace inferior products.
Functionality: Consider the specific needs and goals you have for the product. Look for products that are designed to meet those needs and make your life easier.
Brand Reputation: Do some research on the company behind the product. Look for companies with a proven track record of producing high-quality products and standing behind their products with warranties and excellent customer service.
Customer Reviews: Read reviews from other customers to get a sense of their experiences with the product. Pay particular attention to reviews from customers with needs and goals similar to your own.
Return Policy: Look for products with a good return policy in case the product doesn’t meet your expectations or has any defects.
Environmental And Social Impact: If sustainability and social responsibility are important to you, consider products that are made with these values in mind. Look for companies that prioritize environmental sustainability and ethical business practices.
By considering these factors, you can make a more informed decision and choose a product that meets your needs and aligns with your values. Taking the time to do your research and make an informed decision can save you time, money, and frustration in the long run.
Final Thoughts
In conclusion, finding the right product for your needs can be a challenging task, especially with so many options available. It is important to do thorough research and consider a variety of factors, such as price, features, durability, and overall quality.
Reading reviews and comparing different products can also be helpful in making an informed decision. Ultimately, the best 550 watt power supply for you will depend on your individual needs and preferences.
By keeping these things in mind and taking the time to carefully consider your options, you can be confident that you are making a wise purchase that will meet your needs and exceed your expectations.