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MONTECH BETA 2 550W Power Supply, ATX 3.1 Ready, 80+ Bronze Certified, DC-to-DC Stability, Industrial Japanese Main Capacitor, Full Protection Suite (BETA2550W)
- [MODERN ATX 3.1 READY] Engineered to dominate sudden power spikes. Supports 200% total system peak wattage and 300% GPU power excursions, ensuring your PC stays stable during the most intense gaming.
- [STABLE DC-TO-DC TECHNOLOGY] Features advanced DC-to-DC topology for tighter voltage regulation. This ensures clean, independent power to your components, providing better stability for gaming and professional workloads than standard units.
- [JAPANESE MAIN CAPACITOR] Engineered for longevity using a premium Japanese main capacitor. Offers superior heat resistance and ripple suppression to protect your internal components and ensure a longer PSU lifespan.
- [80 PLUS BRONZE EFFICIENCY] Certified for over 85% efficiency at typical loads. Optimized power conversion reduces heat and lowers electricity costs, while the quiet fan adjusts speed based on load for a near-silent experience.
- [6-POINT SAFETY & 5-YEAR WARRANTY] Complete industrial-grade protection: OCP, OVP, UVP, OPP, SCP, and OTP. Backed by a 5-year warranty with high-flexibility, easy-route cables for a clean and safe PC build.
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 5 years
- Limited Warranty period (labor): 5 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
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The MONTECH BETA 2 550W is an ATX power supply for mainstream PC builds that need up to 550W, with 80 PLUS Bronze efficiency, DC-to-DC voltage regulation, and six listed safety protections.
Recommended For
- Budget-conscious builders assembling a mainstream gaming PC can consider the BETA 2 550W when their chosen CPU and graphics card fit within a 550W power budget; it combines ATX 3.1 compliance with DC-to-DC regulation and a five-year warranty.
- PC builders replacing an older PSU in a modest-power desktop can use it for everyday work, study, and gaming if the system’s total power needs are compatible with a 550W unit.
- Value-focused builders who want current ATX 3.1 compliance but do not need a native 12V-2x6 GPU cable can choose the 550W model, which provides two PCIe 6+2-pin connectors.
- Builders who prefer a conventional ATX power supply with fixed cables can use it in a standard-size desktop case; the unit measures 140 × 150 × 86 mm.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | ATX PC builds requiring 550 W of power, including gaming systems |
| Power Output And Efficiency | 550 W maximum output with 80 PLUS Bronze certification |
| Cooling | Air-cooled by one 120 mm fan |
| Connectors And Modularity | Full-modular cabling with a 20+4-pin motherboard connector, two 4+4-pin CPU connectors, two 6+2-pin PCIe connectors, four SATA connectors, and four 4-pin Molex connectors |
| Protection | Includes OPP, OVP, UVP, OCP, OTP, and SCP protection |
| Form Factor And Dimensions | ATX type; 140 × 150 × 86 mm |
| Input | Maximum input voltage of 240 V AC |
| Model Identifiers | Montech BETA 2 550W; part number BETA 2 550W |