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MONTECH BETA 2 650W Power Supply, ATX 3.1 Ready, 80+ Bronze Certified, DC-to-DC Stability, Industrial Japanese Main Capacitor, Full Protection Suite (BETA2650W)
- [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.
Manufacturer Contact Info
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The MONTECH BETA 2 650W is an ATX 3.1-ready, 80 PLUS Bronze power supply for gaming and everyday desktop PCs whose power requirements fit within 650W, with DC-to-DC regulation and six types of circuit protection.
Recommended For
- Budget-conscious builders assembling a mainstream gaming PC with a single graphics card and a total system power requirement within 650W; the BETA 2 is positioned for essential builds and uses the ATX 3.1 standard.
- PC builders who want a 650W supply for a compatible CPU-and-GPU setup using standard motherboard, CPU, and PCIe 6+2-pin power connections; this model lists two PCIe 6+2-pin connectors.
- Builders prioritizing a Bronze-rated PSU with listed protections and a five-year warranty for an everyday home or gaming PC, rather than paying for a higher-tier efficiency rating.
- Builders who prefer a standard ATX-size PSU and do not need native 12V-2x6 GPU cabling; MONTECH lists native PCIe 5.1 support on the 850W model, not the 650W model.
Real-World Use Scenarios
- Building a budget or midrange gaming PC? The BETA 2 650W can serve as the system’s power supply when the CPU and graphics card’s power needs fit within 650W and the GPU supports its included PCIe 6+2-pin connectors; check the GPU maker’s power and connector recommendations before buying.
- Refreshing an older PC with a compatible motherboard and graphics card? Its standard ATX form factor and listed motherboard, CPU, PCIe, SATA, and Molex connections can support a straightforward PSU replacement, provided the system’s power requirements and case clearance match.
- Using one PC for everyday work and gaming? It can power a compatible single-GPU desktop through routine productivity tasks and gaming; the actual headroom depends on the processor, graphics card, and other installed components.
- Putting together a modest creative-work PC for photo editing or occasional video work? It can supply a compatible CPU-and-GPU setup, but confirm the combined system power needs—especially during sustained rendering—rather than choosing by wattage alone.
- Adding several SATA drives or case accessories to a desktop build? The listed SATA and Molex connections can support compatible peripherals, while the total system load still needs to stay within the PSU’s 650W capacity.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | PC builds requiring a 650 W ATX 3.1-ready power supply, including systems with PCIe 6+2-pin GPU connections |
| Power Output And Input | 650 W output with a maximum input voltage of 240 V AC |
| Efficiency And Cooling | 80 PLUS Bronze certified, air-cooled by one 120 mm fan |
| Protection | Includes OPP, OVP, UVP, SCP, OCP, and OTP protection |
| Connectors And Modularity | Full-modular cabling with one 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 |
| Physical Design | Black housing measuring 140 × 150 × 86 mm |
| Model Identifiers | Montech BETA 2 650W; part number BETA 2 650W |