be quiet! System Power 11 450W power supply unit 20+4 pin ATX ATX Black
Barcode 04260052191859 · every price below is this exact barcode
A recommended price of £71.99 is quoted for this product, but the typical price across 3 UK retailers is £49.70 — about 31% lower. A discount measured against the higher figure overstates the saving.
Every UK retailer selling this barcode
Retailers we earn a commission from are listed first, in price order, then every other retailer, also in price order. Delivery is shown separately because it changes the real total.
Cheapest on item price is Back to the Office at £45.99, but with delivery Amazon works out lower at £49.70.
- 01Back to the OfficeCheapest£45.99+ £4.99 deliveryVisit
- 02Quzo UK£53.87delivery not statedVisit
- 03AmazonBest with delivery£49.70delivery not statedPrice only
Retailer links are paid links. ASAP holds 3 current UK offers for this barcode; prices were last read from each retailer’s own product feed.
Manufacturer specification
Published against this exact barcode, so it describes the item every retailer above is selling — not a similar model.
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
- Total power
- 450 W
- AC input voltage
- 200 - 240 V
- AC input frequency
- 50 Hz
- Input current
- 4 A
- Power factor
- 0.98
- Number of +12V rail(s)
- 1
- Combined power (+3.3V)
- 110 W
- Combined power (+12V)
- 450 W
- Combined power (+5V)
- 110 W
- Combined power (-12V)
- 3.6 W
- Combined power (+5Vsb)
- 15 W
- Max output current (+3.3V)
- 20 A
- Max output current (+12V1)
- 37.5 A
- Max output current (+5V)
- 20 A
- Max output current (-12V)
- 0.3 A
- Max output current (+5Vsb)
- 3 A
- Hold time
- 16.86 ms
- Efficiency
- 89%
- Power protection features
- Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under
- Motherboard power connector
- 20+4 pin ATX
- Peripheral (Molex) power connectors (4-pin)
- 1
- Number of SATA power connectors
- 5
- PCI Express power connectors (6+2 pin)
- 2
- CPU power connector (4+4 pin)
- Yes
- PCI Express connector
- Yes
- Cabling type
- Non-Modular
- Purpose
- PC
- Power supply unit (PSU) form factor
- ATX
- 80 PLUS certification
- 80 PLUS Bronze
- ATX version
- 3.1
- EPS version
- 2.92
- Noise level
- 19.1 dB
- Bearing technology
- Rifle
- Mean time between failures (MTBF)
- 100000 h
- Product colour
- Black
- Cooling type
- Active
- Fan diameter
- 12 cm
- Number of fans
- 1 fan(s)
- Fan speed
- 0 - 1800 RPM
- Illumination
- No
Specification supplied by the manufacturer via the product data catalogue. Check the retailer’s own listing before buying.