{"product_id":"msi-mag-a550bn-550w-power-supply","title":"MSI MAG A550BN 550W Power Supply","description":"\u003cdiv class=\"product-content\"\u003e\n\u003csection class=\"product-intro\"\u003e\u003ch1\u003eMSI MAG A550BN 550W Power Supply\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eMSI MAG A550BN\u003c\/strong\u003e is a reliable 550W ATX power supply engineered for mainstream PC builds that demand stable, efficient power delivery. With \u003cstrong\u003e80 PLUS Bronze efficiency\u003c\/strong\u003e rated up to 85%, this power supply minimizes energy waste while keeping your system running cool and quiet. Whether you're building a gaming rig, workstation, or general-purpose PC, the MAG A550BN provides the consistent performance and protection your components need.\u003c\/p\u003e\n\u003cp\u003eFeaturing \u003cstrong\u003eactive PFC technology\u003c\/strong\u003e, a single +12V rail with 45.5A capacity, and comprehensive protection mechanisms, this compact ATX PSU is built for long-term reliability. The low-noise cooling fan ensures whisper-quiet operation, making it ideal for both performance-focused and silent-build enthusiasts.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"key-features\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e550W Power Output\u003c\/strong\u003e — Sufficient capacity for mainstream gaming and productivity builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Bronze Certified\u003c\/strong\u003e — Up to 85% efficiency reduces power consumption and heat generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive PFC (Power Factor Correction)\u003c\/strong\u003e — Improves power quality and system stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle +12V Rail Design\u003c\/strong\u003e — 45.5A capacity ensures stable voltage delivery to modern CPUs and GPUs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Range\u003c\/strong\u003e — 100–240 VAC at 50–60 Hz for global compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Chassis\u003c\/strong\u003e — Space-efficient design fits standard ATX cases\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Noise Cooling Fan\u003c\/strong\u003e — Optimized thermal management with minimal acoustic impact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Layer Protection\u003c\/strong\u003e — Over-voltage, over-current, and short-circuit protection for component safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"specifications\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eMAGA550BN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e550W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eATX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency Rating\u003c\/td\u003e\n\u003ctd\u003e80 PLUS Bronze (up to 85%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+12V Rail\u003c\/td\u003e\n\u003ctd\u003eSingle rail, 45.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100–240 VAC, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePFC Type\u003c\/td\u003e\n\u003ctd\u003eActive PFC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eOver-voltage, over-current, short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eLow-noise fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Design\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"faq\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs the MSI MAG A550BN suitable for gaming PCs?\u003c\/h3\u003e\n\u003cp\u003eYes, the 550W capacity and single +12V rail with 45.5A make this power supply well-suited for mainstream gaming builds. It provides stable power for mid-range GPUs and modern CPUs, though high-end enthusiast systems may benefit from higher wattage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat does 80 PLUS Bronze efficiency mean?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e80 PLUS Bronze certification\u003c\/strong\u003e guarantees at least 80% efficiency at 50% load, with this unit reaching up to 85% efficiency. This means less energy is wasted as heat, reducing your electricity bills and improving overall system reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eDoes the MAG A550BN include protection against power surges?\u003c\/h3\u003e\n\u003cp\u003eYes, the power supply features comprehensive multi-layer protection including over-voltage, over-current, and short-circuit protection to safeguard your PC components from electrical faults and unstable power conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eCan I use this power supply in different countries?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. The wide input range of 100–240 VAC at 50–60 Hz ensures global compatibility, making the MSI MAG A550BN suitable for use in virtually any country without requiring a voltage converter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"MSI","offers":[{"title":"Default Title","offer_id":43054849294411,"sku":"MAGA550BN","price":54.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1824\/0789\/files\/MSI-MAG-A550BN-550W-Power-Supply.jpg?v=1789385580","url":"https:\/\/www.tecisoft.com\/products\/msi-mag-a550bn-550w-power-supply","provider":"TeciSoft","version":"1.0","type":"link"}