{"product_id":"be-quiet-system-power-11-450w-atx-3-1-bronze-psu","title":"be quiet! System Power 11 450W ATX 3.1 Bronze PSU","description":"\u003cp\u003eThe be quiet! System Power 11 450W ATX 3.1 Bronze PSU is designed for value-oriented PC builders who want reliable, quiet operation without paying a premium. It covers modern system requirements with ATX 3.1 compliance, PCIe 5.1 GPU support, and protection circuits that guard against the most common causes of component damage. A temperature-controlled fan and a standby draw of under 0.15 W keep it practical for everyday desktop use.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX 3.1 ready for current and future GPUs\u003c\/strong\u003e — It meets the ATX 3.1 and PCIe 5.1 standards and can handle power excursions up to double its rated wattage, making it compatible with today's demanding graphics cards and the next generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-controlled 120mm fan\u003c\/strong\u003e — The rifle-bearing fan adjusts speed based on load, producing as little as 19.5 dB(A) at light load — quiet enough for a living-room or study build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Bronze efficiency up to 89.0%\u003c\/strong\u003e — Certified 80 PLUS Bronze, it wastes less energy as heat under typical loads, reducing electricity draw and keeping the case cooler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive protection circuits\u003c\/strong\u003e — Over-current, over-voltage, under-voltage, over-power, over-temperature, short-circuit, surge and inrush protections are all present, guarding connected components against the most common fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-to-DC technology for tight voltage regulation\u003c\/strong\u003e — A DC-to-DC conversion stage keeps rail voltages stable under variable loads, which helps sensitive CPUs and GPUs operate consistently during demanding workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-year warranty\u003c\/strong\u003e — A 5-year warranty provides long-term coverage that exceeds many competing entry-level units in this power class.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eAt a Glance\u003c\/h5\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e450W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e80 PLUS Bronze (up to 89.0%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX 3.1, EPS 12V v2.92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120mm, temperature-controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e19.5 dB(A) at light load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCabling\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNon-modular (fully wired)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Compatible with ATX 3.1 motherboards and systems using the EPS 12V v2.92 CPU power standard.\u003c\/li\u003e\n\u003cli\u003e✓ Supports PCIe 5.1 GPUs via two 6+2 pin PCIe connectors, covering most current discrete graphics cards that use this connector type.\u003c\/li\u003e\n\u003cli\u003e✓ Universal input voltage (100–240 VAC, 50\/60 Hz) means it works on both European and North American mains without a manual switch.\u003c\/li\u003e\n\u003cli\u003eNote: Non-modular cabling — all cables are permanently attached. Ensure your case has adequate space to route and tuck unused cables before purchasing.\u003c\/li\u003e\n\u003cli\u003eNote: Rated for operation between 0 °C and 40 °C. Systems running in environments above 40 °C ambient are outside the specified operating range.\u003c\/li\u003e\n\u003cli\u003e✗ Does not carry a higher efficiency rating (e.g. Gold or Platinum) — not suitable for users whose priority is maximum efficiency at all load levels.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eBest For \/ Trade-offs\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEntry-level and mid-range desktop builders\u003c\/b\u003e who want ATX 3.1 compliance and modern GPU support without spending on a higher-tier unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNoise-sensitive environments\u003c\/b\u003e such as home offices or living rooms, where the temperature-controlled fan and 19.5 dB(A) light-load noise level matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystems with a single mid-range GPU\u003c\/b\u003e — the two 6+2 pin PCIe connectors and single 12V rail at 37.5 A cover most discrete graphics cards at this power tier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong-term ownership\u003c\/b\u003e — the 5-year warranty and 100,000-hour MTBF rating suit buyers who plan to keep the same system for several years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnergy-conscious users\u003c\/b\u003e looking for a certified-efficient unit; 80 PLUS Bronze at up to 89.0% efficiency and a standby drain under 0.15 W reduce running costs at low and medium loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTrade-offs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-wattage builds\u003c\/b\u003e — at 450W rated output, it is not sized for systems pairing a high-end CPU with a flagship GPU that together exceed this budget.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCable-management enthusiasts\u003c\/b\u003e — the fully wired, non-modular design means all cables are always present in the case, which can complicate routing in small or tidy builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUsers requiring Gold or higher efficiency\u003c\/b\u003e — the 80 PLUS Bronze rating is below Gold and Platinum tiers, so those optimising for the lowest possible energy draw should look at higher-certified alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual-GPU or multi-GPU workstation setups\u003c\/b\u003e — with only two PCIe 6+2 pin connectors and 450W output, it is not intended for configurations requiring more than two graphics card power connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eSystem Power 11 450W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborate features such as ATX 3.1 compatibility and a temperature-controlled fan and a remarkably low stand-by-drain underline the value System Power 11 450W offers even at entry-level.\u003c\/p\u003e\u003cp\u003eSystem Power 11 450W is an ATX 3.1 PSU and handles power excursions up to double its rated power with ease. This makes the PSU versatile and the erfect choice for systems of today and the ones to come.\u003c\/p\u003e\u003cp\u003eSystem Power 11 450W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level.\u003c\/p\u003e\u003cp\u003eSystem Power 11 450W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.\u003c\/p\u003e\u003cp\u003eThe 80 PLUS® Bronze certification of System Power 11 450W Bronze with an efficiency rating of up to 89.0% is convincing evidence of this PSU's power saving operation.\u003c\/p\u003e\u003cp\u003eSystem Power 11 450W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.\u003c\/p\u003e\u003ch5\u003eSpecifications\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ebe quiet!\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eArticle Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBP009EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX 3.1, EPS 12V v2.92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Efficiency\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e450W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEfficiency Certification\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e80 PLUS Bronze (up to 89.0%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003e+12V Rail\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSingle rail at 37.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e≥ 0.98 at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eStandby Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e\u0026lt; 0.15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100–240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eInput Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCooling \u0026amp; Noise\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Bearing\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eRifle-bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eTemperature-controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e19.5 dB(A) at light load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0–40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eMTBF\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100,000 hours at 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConnectors \u0026amp; Protections\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCIe Connectors\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2 × 6+2 pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCabling\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFully wired (non-modular) flat black cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eProtections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eOCP, OVP, UVP, OPP, OTP, SCP, surge, inrush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"be quiet!","offers":[{"title":"Default Title","offer_id":55666059379064,"sku":"BEQ-708","price":57.04,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/feature1.webp?v=1789749972","url":"https:\/\/tech-syndicate.co.uk\/products\/be-quiet-system-power-11-450w-atx-3-1-bronze-psu","provider":"Tech Syndicate","version":"1.0","type":"link"}