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be quiet! System Power 11 BP009

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be quiet! System Power 11 BP009
2025System Power (available)5 year warranty
450 W
24+8 (4+4) pin
550 W
24+8+4 pin
650 W
24+8+4 pin
750 W
24+8+8(4+4) pin
Main
Power450 W
Form factorATX
Specs
PFCactive
Efficiency89 % / 50% load /
Cooling systemactive
Fan size120 mm
Fan bearingsliding
Certification80+ Bronze
ATX12V version3.1
EPS12V version2.92
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA5
MOLEX1
PCIe 8pin (6+2)2
Cable systemnon-modular
Cable length
MB550 mm
CPU600 mm
SATA450 mm / 550/570/670/690 /
MOLEX790 mm
PCIe500 mm
Max. power
+3.3V20 А
+5V20 А
+12V137.5 А
-12V0.3 А
+5Vsb3 А
+12V450 W
+3.3V +5V110 W
-12V3.6 W
+5Vsb15 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOTP, OCP, UVP, SIP
Noise level11 dB / 50% load /
Manufacturer's warranty5 years
Dimensions (HxWxD)86x150x140 mm
Weight1.7 kg
Official Websitebequiet.com
Added to E-CatalogJune 2025
E-Catalog UK editor, PSUs
Valerii Lenko, edited 19.01.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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be quiet! System Power 11 450w 80 Plus Bronze ATX 3.1, PCIe 5.1 PSU Power Supply - BP009EU BP009EU

The be quiet! System Power 11 450W PSU delivers reliable power with 80 Plus Bronze efficiency, ensuring optimal performance f... moreor your PC build. Featuring ATX 3.1 compatibility and PCIe 5.1 support, it meets the demands of modern hardware. Enjoy stable voltage and low noise levels, making it perfect for gamers and professionals alike.
Awd-it.co.uk
Delivery: to United Kingdom
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£43.99
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be quiet! System Power 11 450W 80PLUS Bronze Fully Wired ATX 3.1 PSU /

Scan.co.uk
Delivery: to United Kingdom
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£44.99
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Be Quiet BP009EU

EU Plug.Proven Reliability, Quiet Operation.System Power 11 450W has been built with value-oriented users in mind that do not... morewant 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. be quiet! System Power 11 450W.Total power:450 W, AC input voltage:200 - 240 V, AC input frequency:50 Hz.Motherboard power connector:20+4 pin ATX, Cabling type:Non-Modular.Purpose:PC, Power supply unit (PSU) form factor:ATX, 80 PLUS certification:80 PLUS Bronze.Product colour:Black, Cooling type:Active, Fan diameter:12 cm.Compliance certificates:CB, CE, RoHS, TÜV mark, UKCA, WEEE.ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors.Temperature-controlled 120mm quality fan reduces system noise.Rock-solid stability with a strong 12V-rail.Tight voltage regulation using DC-to-DC technology.2 PCIe 6-2 connectors.Dependable operation to support powerful GPUs.Stand-by drain of less than 0.15 watts.80 PLUS® Bronze efficiency (up to 89.0%).Attractive black flat cables.Complete suite of top safety features.Product conception, design and quality control in Germany.
Tradeinn.com
Delivery: in United Kingdom
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£49.49
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be quiet! System Power 11 450W 450 W 200 - 240 V 50 Hz 4 A 110 W 450 W BP009EU

Proven Reliability Quiet Operation   System Power 11 450W has been built with value-oriented users in... moremind 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.   - ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors - Temperature-controlled 120mm quality fan reduces system noise - Rock-solid stability with a strong 12V-rail - Tight voltage regulation using DC-to-DC technology - 2 PCIe 6-2 connectors - Stand-by drain of less than 0.15 watts - 80 PLUS® Bronze efficiency (up to 89.0%)         Future-Proof Your System Fulfills all ATX 3.1 specifications System 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.     Very Quiet Operation High-quality fan for low noise System 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.     High Performance For Your System Proven reliability for CPU and GPU System 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.     80 PLUS® Bronze Certification Efficient operation The 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.     Strong 12V Rail For a stable PCIe graphics support System 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.    
Quzo.co.uk
Delivery: to United Kingdom
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£50.36
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be quiet! System Power 11 450W PSU 80 PLUS Bronze ATX3.1 PCIe 5.1 Power Supply - Black

pa_mpn: 1061, pa_sku: 2232, pa_ean-gtin: 2233, pa_brand: 1587, pa_colour: 117, pa_lighting: 1068 The be quiet! System Power 1... more1 450W (MPN BP009EU) is a reliable, entry-level internal power supply unit (PSU) ideal for mid-range desktop PCs. Certified 80 PLUS Bronze, it delivers stable 450?W output with ATX 3.1 compatibility and support for PCIe 5.1 GPUs via two 6+2-pin connectors. Its non-modular design with flat cables provides hassle-free installation and dependable performance.Key FeaturesPower Output: 450W continuousCertification: 80 PLUS Bronze (up to 89% efficiency at 230?V)Compliance: ATX 3.1, EPS 12V v2.92PCIe Support: Supports PCIe 5.1 GPUs via 2 x 6+2-pin connectorsCooling: Temperature-controlled 120?mm rifle-bearing fanProtection Features: OCP, OVP, UVP, OPP, OTP, SCP, surge and inrush protectionCabling: Fully wired (non-modular) flat black cablesWarranty: 5-year manufacturer's warrantyFull Technical SpecificationModel / MPN:System Power 11 450?W (BP009EU)Form Factor:ATXCompliance:ATX 3.1, EPS 12V v2.92Power Output:450W continuousEfficiency Certification:80 PLUS Bronze (up to 89% at 50% load)Input Voltage:200&ndash;240VACInput Frequency:50HzInput Current: Up to 4 APower Factor: = 0.98 at full loadStandby Power: < 0.15?WOperating Temperature: 0–40 °CMTBF:100,000 hours at 25 °C12V Rail: Single 12 V rail at 37.5 AProtections: OCP, OVP, UVP, OPP, OTP, SCP, surge, inrushFan: 120 mm rifle-bearing, temperature-controlledNoise Level: ~10.5 dB(A) at light load, up to ~19.1 dB(A) at full loadModularity: Non-modularConnectors:1 x 20+4-pin ATX1 x 4+4-pin CPU (EPS)2 x 6+2-pin PCIe5 x SATA1 x Molex (4-pin PATA)Cable Type: Flat black cablesCable Length:Up to 90 cmDimensions: 150 mm (W) x 140 mm (D) x 86 mm (H)Weight: ~1.7 kgCertifications: CE, CB, TUV, RoHS, UKCA, WEEE, ErP, Energy StarWarranty: 5 years
Alphacores.co.uk
Delivery: in United Kingdom
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£50.75
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