be quiet! Straight Power 11 power supply unit 450 W ATX Black BN280


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Straight Power 11, 450 W, ATX 12V 2.4, 100 - 240 V, 50/60 Hz, active PFC, SilentWings 3 135mm, ATX 20+4-pin, 2x PCIe 6+2-pin, 8x SATA, 3x PATA, FDD, Black

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114,30 € (£ 100.98) VAT incl.


116,74 € (£ 103.14) VAT incl.

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World Class Quiet and Efficiency
be quiet! Straight Power 11 450W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.

- Virtually inaudible operation thanks to a SilentWings® 3 135mm fan
- Big funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free on the DC side inside the PSU for enhanced cooling and longevity
- Full cable management for maximum build flexibility
- 80PLUS® Gold certification with an efficiency of up to 93%
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
- Four high-performance 12V-rails
- Powerful multi-GPU support with two PCI-Express connectors
- Japanese 105°C-rated capacitors ensure stability and reliability
- Power signal stability unmatched in its class
- ErP and Energy Star 6.1 ready
- 5-year manufacturer’s warranty
- Product conception, design and quality control in Germany

- Virtually inaudible SilentWings® 3 135mm fan
- Wire-free design inside the PSU
- 80PLUS® Gold efficiency of up to 93%
- Convenient full cable management

be quiet! Straight Power 11. Total power: 450 W, AC input voltage: 100 - 240 V, Peak power: 500 W. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 60 cm, SATA power cable length: 550 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Fan diameter: 13.5 cm, Number of fans: 1 fan(s). Width: 150 mm, Depth: 160 mm, Height: 86 mm

Data Sheet

Total power450 W
AC input voltage100 - 240 V
Peak power500 W
AC input frequency50 - 60 Hz
Input current6 A
Power factor0.99
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)120 W
Combined power (+12V)450 W
Combined power (+5V)120 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)24 A
Max output current (+12V1)18 A
Max output current (+12V2)18 A
Max output current (+12V3)19 A
Max output current (+12V4)19 A
Max output current (+5V)24 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Hold time20.4 ms
Power protection featuresOver current,Over power,Over voltage,Overheating,Short circuit,Under voltage
Motherboard power connector20+4 pin ATX
Motherboard power cable length60 cm
Number of SATA power connectors8
Number of PATA power connectors3
SATA power cable length550 mm
PCI Express power connectors (6+2 pin)2
PCI Express power cable length60 cm
CPU power connector (4+4 pin)Y
CPU power cable length70 cm
Floppy disk drive connectorY
Cabling typeModular
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
ATX version2.4
Silent modeY
Noise level (silent mode, <30%)9.4 dB
Noise level (quiet mode, 50%)9.8 dB
Noise level (full-load mode, 100%)12.3 dB
Bearing technologyFDB
RoHS complianceY
Energy Star certifiedY
CertificationCE, FCC, TÜV, cTUVus, RCM, BSMI, CU
Product colourBlack
Fan diameter13.5 cm
Number of fans1 fan(s)
On/off switchY
Width150 mm
Depth160 mm
Height86 mm
Weight1.51 kg
Screws includedY
Cable ties includedY
Package width248 mm
Package depth328 mm
Package height102 mm
Package weight2.74 kg
Cable managementY

IF this product is intended to be connected to the mains electricity, you would need an EU to UK plug adapter (2 to 3 pin).
First of all, if you spend £ 400 in products (at least), we'll send the EU to UK plug adapter for FREE!
If you prefer, you can buy a similar product at your local store or somewhere else, instead.
OR (at your risk): Anyway, nowadays almost any electronic device is unearthed and doubleinsulated, because they have a smart internal protection. So, you could push the earth hole on your wall power outlet or multi socket extension bar, with a long piece of plastic or wood (never use metal!) or by another upset power plug, in order to insert the EU plug into the outlet or multi socket.


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