🔌 Fonte Corsair CX550 80 Plus 500W
The Corsair CX550 is a true 500W power supply with 80 Plus Bronze certification, ideal for those looking for stability, energy efficiency and great value for money in their gaming PC or entry-level workstation.
✅ 80 Plus Bronze Efficiency
With 80 Plus Bronze certification, the CX550 guarantees at least 85% energy efficiency, reducing energy waste and helping to keep your machine cooler and quieter — plus saving on your energy bill.
⚙️ Real Power of 500W
Its real 500 watts easily support mid-range graphics cards, such as the GTX 1650, RTX 3050 or RX 6600, as well as mid-range processors, ensuring system safety and performance even under intense use.
🔧 Corsair Reliability
Manufactured by one of the most trusted brands on the market, Corsair, the CX550 offers highly durable components and protection against overload, overvoltage, short circuit, and more — increasing the safety of your setup.
🔌 Fixed and Silent Cabling
With traditional (non-modular) cabling and a quiet 120mm fan, it’s ideal for mid-sized cases. Even without being modular, cable management is simple with a good case.
🏆 Why choose the Corsair CX550?
Reliable brand with solid warranty, ideal for entry-level/intermediate gamer setups, excellent efficiency at a competitive price, quiet and safe power supply
2. Fonte Redragon RGPS 500W 80 Plus Bronze
The Redragon RGPS 500W (model GC-PS002) is one of the most sought-after power supplies for those looking to build an entry-level to mid-range gaming PC, focusing on value, energy efficiency, and a modern look. But does it deliver on its promises? In this review, you’ll discover its main strengths and weaknesses.
✅ Positive Points – What the Redragon RGPS 500W does well
⚡ 500W real power – Supports video cards like GTX 1650, RX 6500 XT, up to an RTX 3060 with ease.
🔋 80 Plus Bronze Certification – Efficiency of up to 85%, reducing energy and heating losses.
🧠 Active PFC + Protection circuits – Safety against surges, overloads and short circuits.
🔇 Silent 120mm fan – With thermal control, it only works when necessary.
🎨 Design with black flat cables – Helps with organization and airflow in the case.
💰 Excellent value for money – Ideal for those who want reliability without paying too much.
⚠️ Negative Points – What can be improved
❌ Not modular or semi-modular – All cables are fixed, which can make cable management difficult in smaller cabinets.
❌ Lack of additional certifications – Absence of CB seal (INMETRO international), which may be a factor for those seeking maximum compliance.
❌ Not recommended for high-end setups – Despite the 500W, the model doesn’t have room for cards like the RTX 3070 or overclocked CPUs.
❌ Cable distribution may be limited – Some users report that there are few SATA/Molex connectors depending on their needs.
❌ National warranty of only 1 year – Most competitors offer 2 or even 3 years.
🎯 Indication for use
The Redragon RGPS 500W is recommended for entry-level and mid-range gaming PCs, with a total consumption of up to 350W.
Those looking for a safe, efficient, and affordable power supply. Builds with GPUs such as the GTX 1050 Ti, RX 580, GTX 1660, and RTX 3050/3060.
📝 Final verdict
The Redragon RGPS 500W stands out among affordable power supplies with true quality and an 80 Plus Bronze seal. It’s reliable, quiet, and provides basic security for gaming setups. However, it’s not ideal for those who need more flexibility, modularity, or upgrade to more powerful cards.
For those just starting out in gaming or building a budget-friendly PC, it’s a fair and efficient option. However, if you plan to invest in future upgrades, it might be worth considering more robust or modular models.
3. Fonte MSI MAG A650BN 80 Plus Bronze
If you’re building a gaming PC or a setup for professional use and looking for a reliable, affordable, and energy-efficient power supply, the MSI MAG A650BN is an excellent option in 2025.
Tailored power with 80 Plus Bronze certification
The MAG A650BN delivers a true 650W of power with 80 Plus Bronze certification, which guarantees energy efficiency above 82% under typical loads. This translates into less energy waste, less internal heat, and longer-lasting components.
Ideal for intermediate setups
With support for mid-range graphics cards such as the RTX 3060, 3060 Ti, RX 6700XT, and similar products, the power supply is ideal for users looking to build a balanced gaming PC or workstation without sacrificing safety and electrical stability.
Technical highlights:
Rated power: 650W
Efficiency: 80 Plus Bronze Certification
Built-in protections: OVP, OPP, OCP and SCP (protection against overvoltage, overload, short circuit and more)
Active PFC: Stabilizes current and improves performance
Quiet 120mm fan: Efficient cooling with low noise
Black flat cables: Better organization and a clean look in the cabinet
Positive points :
Good energy efficiency
✅ Trusted brand in the gaming market
✅ Ideal for mid-range PCs
✅ Silent operation
✅ Good construction and electrical protection
⚠️ Points of Attention
🔸 Non-modular cabling
The cables are fixed, which can make it difficult to organize the internal structure of the case in more compact builds.
🔸 Simple design
Discreet look and no extra features like RGB or flat cables, which may displease those looking for a personalized aesthetic.
🔸 Does not have a Gold seal or higher
Despite the good efficiency, there are sources with higher certifications on the market – however, at a higher cost.
🎯 Conclusion
The MSI MAG A650BN, 650W, is an excellent choice for those looking for a safe, reliable, and affordable power supply . Ideal for casual gamers, home office professionals, and students , it delivers everything you’d expect from a mid-range power supply in 2025.
If you’re looking for a quiet, high-quality power supply without breaking the bank, this is one of the best options on the market .
4.🔌 Fonte Cooler Master Elite V3 500W
When building a reliable and affordable PC, choosing the right power supply is essential. One of the most established brands in this segment is Cooler Master. In 2025, the Cooler Master Elite V3 500W model remains one of the most sought-after options for those seeking good performance at an affordable price.
⚙️ Main specifications:
Power: 500W real
Certification: No 80 Plus seal (efficiency close to 75%)
Automatic dual voltage
Fan: 120mm silent
Protections: Against short circuit, overvoltage and overload
Cables with protective mesh
Connectors: 1x 24-pin, 1x 8-pin CPU, 2x SATA, 1x Molex, 1x PCIe 6+2
✅ Positive points:
Recognized brand in the global market
Robust and reliable source for entry-level users
Good choice for those using APUs or basic graphics cards
Competitive pricing in Brazil, even with the rising dollar
Ideal for home offices, offices and light gaming setups
❌ Points of attention:
It does not have 80 Plus certification, which means lower energy efficiency compared to its Bronze competitors.
Not recommended for high-performance graphics cards
Cables are not modular (which can make internal organization difficult)
💸 Average price in 2025:
Between R$250 and R$350, it is one of the cheapest and most reliable sources in the entry-level range.
🧠 Conclusion
The Cooler Master Elite V3 500W is a great value option for 2025, especially for those looking to save money without sacrificing security. Even without the 80 Plus certification, its solid construction, technical support, and established brand make it a solid choice for entry-level and mid-range PCs.
When it comes to building a balanced, reliable PC with stable performance, the Thermaltake Smart 500W 80 Plus Bronze is an excellent choice. In 2025, it remains a standout among entry-level/mid-range power supplies with good value.
⚙️ Technical Specifications
Actual power: 500W
Certification: 80 Plus Bronze (energy efficiency ≥ 82%)
Voltage: Automatic dual voltage
Fan: 120mm silent with intelligent rotation control
Protections: OVP (overvoltage), SCP (short circuit), OPP (overload)
✅ Strengths
Proven efficiency: Ideal for setups with graphics cards such as the GTX 1660, RTX 3050 or RX 6600.
Quiet: The 120mm fan provides good cooling with low noise, even under load.
Solid construction: The quality of the internal components is above average for entry-level sources.
Trusted Brand: Thermaltake is recognized worldwide for its power and cooling solutions.
⚠️ Points of Attention
Non-modular cables: May make cable management difficult in smaller enclosures.
Simple design: It doesn’t have a premium finish or gamer look.
💡 Indication for use
The Thermaltake Smart 500W Bronze is perfect for users who:
They are building an entry-level or mid-range gaming PC.
They seek energy efficiency with safety.
They want to invest in a reliable source without spending a lot.
📝 Conclusion
The Thermaltake Smart 500W 80 Plus Bronze is a power supply that delivers exactly what it promises: efficiency, stability, and safety, all while offering excellent value. Ideal for those looking to build a balanced, reliable, and quiet setup in 2025.