BITFENIX BF550G Formula Atx Power Supply
( Brand: Bitfenix ), ( Manufacturer Part Number: BF550G ), ( Model: BITFENIX BF550G ), ( Form Factor: Atx ), ( Type: Power Module ), ( Maximum Power: 550 W )
Review BITFENIX Formula Gold 550 Watt Atx Power Supply
The BitFenix Formula 550W is a high-performance, compact ATX power supply designed to deliver reliable and efficient power to your PC components. This power supply unit (PSU) boasts a modern and sleek design, making it an excellent addition to any modern computer build.
The Formula 550W is built using high-quality components, including Japanese capacitors, to ensure long-lasting and stable power delivery. It is also compatible with the latest PC technologies, including CrossFire and SLI multi-GPU configurations, and comes with a modular design that allows you to customize the cables to fit your PC layout.
One of the standout features of this power supply is its 80 Gold certification. This means that it is at least 90% efficient at 50% load and 92% efficient at 100% load, making it an energy-efficient choice for your PC setup. Additionally, it comes with Active Calibration, which ensures that the voltage levels are always within specification, providing optimal performance and stability.
The Formula 550W also includes several safety features, including over-voltage protection, under-voltage protection, short-circuit protection, and over-power protection, to safeguard your components from potential damage. Its quiet 120mm fan ensures that the power supply remains cool and quiet, even during heavy use.
The BitFenix Formula 550W comes with a 5-year warranty, providing peace of mind and ensuring that you have reliable and efficient power for your PC components for years to come. Its compact size, modern design, and high-performance capabilities make it an excellent choice for any PC build, whether it's a gaming rig, a workstation, or a home theater PC.
The BitFenix Formula 550W power supply unit (PSU) is a popular choice among PC builders due to its combination of performance, efficiency, and aesthetic appeal. Here are some pros and cons to help you make an informed decision about purchasing this PSU:
Pros:1. High Efficiency: The BitFenix Formula 550W PSU is 80 Gold certified, meaning it converts 90% of the input power into usable output power under typical loads. This results in less wasted energy and a more eco-friendly system.
2. Quiet Operation: The PSU utilizes a Fluid Dynamic Bearing fan, which runs quietly and efficiently. The semi-modular design also allows you to connect only the cables you need, reducing fan noise.
3. Aesthetic Appeal: The BitFenix Formula series is known for its sleek and modern design, making it a popular choice for those who value the look of their PC components.
4. Protection Features: The PSU includes overvoltage, undervoltage, short circuit, overcurrent, and overpower protection to safeguard your components from potential damage.
5. Semi-Modular Design: The semi-modular design allows you to only connect the cables you need, reducing clutter and improving airflow within your case.
Cons:1. Limited Connectivity: While the semi-modular design is a pro for reducing clutter, it can be a con if you have components with unique power requirements. In such cases, you may need to purchase additional adapters or extension cables.
2. No Active PFC: The PSU does not have an Active Power Factor Correction (PFC) feature, which can cause power quality issues if your computer's power supply is not stable. However, this is generally not a major concern for most users.
In conclusion, the BitFenix Formula 550W PSU offers high efficiency, quiet operation, aesthetic appeal, and protection features, making it an excellent choice for most PC builders. Its semi-modular design and limited connectivity options may be a drawback for some, but these concerns can be mitigated with careful planning and, if needed, the purchase of additional adapters or extension cables.
Based on its performance, features, and value, we recommend the BitFenix Formula 550W PSU as a solid choice for powering your PC build.
Details:
Output cable Type Fixed Cable Flat. 230Vac/4.0A max, Frequency 47-63Hz, APFC PF value > 0.99 at 115Vac input and full load, 80Plus Certification Gold, up to 92%, Operating Temp. This listing is for one lightly used Bitfenix BF550G 550 watt 80 GOLD ATX power supply. Not much else to say except list the official specs.
I used this to power a Linux rig that barely touched and just recently retired. The official specs: Formula Gold 550W, Intel Specification ATX 12V V2.4, Dimension Execs 140mm x 150mm W 86mm H, AC Input 100-240Vac, Current 115Vac/8.0A max. Clean, works like a charm, and is in great physical condition. Standard ground shipping included in price.
part #: bf550g price
- $93.14
specifications powsuppy:
- brand: Bitfenix
- mpn: Bf550g
- model: Bitfenix Bf550g
- form factor: Atx
- type: Power Module
- maximum power: 550 W
returns powsuppy:
- policy: No Returns
general powsuppy:
- Computers/Tablet's Networking > Computer Components Parts > Power Supplies
- condition: Used
offer powsuppy:
- options: Ship-to-home
- availability: In Stock
- started: January 4, 2026
- sold: 0
- quantity: 1
payments powsuppy:
- wallet: Paypal
- other
- credit card: Discover
seller powsuppy:
- # reviews: 103
- rating: 100.0%
- city: Houston, Texas
shipping powsuppy:
- service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground Economy
- cost: $0.00
- transit: 4-10 Days
- type: Fixed
- class: Standard, Economy
- carrier: USPS, UPS, FedEx
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