Scan code: LN56105 Manufacturer code: BN227

be quiet! BN227 SFX Power 2 400W Power Supply

400W be quiet! SFX Power 2, 80 PLUS Bronze, Fully Wired, Dual (2) Rail, 1x120mm Fan, ATX PSU

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Scan code: LN56105 Manufacturer code: BN227
3xs Approved
£69.98
Order now and get it tomorrow, Tue 26th May
spend over £225 and Buy Now, Pay Later or spread the cost of your finance over 24-48 months with a 10% deposit.
Delivery Options
  • By DPD On 26th May to your specified address. | £5.48 Receive SMS with one-hour delivery window Weekend, timed and European delivery options are available at checkout

    Have your parcel delivered by DPD to your specified address. Receive SMS with one-hour delivery window

    Weekend, timed and European delivery options are available at checkout
  • Collect instore Collect from our Bolton store, BL6 6PE | Free

    Order online, collect from our Bolton store (25-28 Enterprise Park, Middlebrook, Horwich, Bolton, BL6 6PE)

  • UPS and DPD Pickup Pickup from local convenience store | £4.79

    Collect your parcel from your newsagents, petrol stations and convenience stores

Services
  • SCANPROTECT Protect against installation damage for 28 days. More info

    ScanProtect is an enhanced warranty specifically designed and offered by Scan to reduce the risk of any mishap or damage to components during installation.

    Our aim with ScanProtect is to encourage our customers to upgrade or build their own PC confidently. For a small additional fee our customers are provided with complete peace of mind.

  • 48HR REPLACEMENT If you need to return this item, your replacement will be dispatched within 2 working days of your product arriving back at Scan. More info
Frequently Bought Together
Product Overview

Compact and Silent Energy

SFX Power 2 400W is the be quiet! advanced high-power compact PSU that gives you more for your mini or media PC. It is the perfect upgrade for any PC chassis requiring an SFX form factor PSU. Its efficient design supports Energy Star 5.2 requirements, ErP 2014, and 80 PLUS® Bronze efficiency (up to 85%), while providing solid voltages and enough power to support a PCIe graphics card (6+2pin connector included). For compact PC systems that perform beyond the ordinary, with an ideal combination of features, power, efficiency and be quiet! reliability, choose SFX Power 2 400W .


Strong Dual 12Vv Rail - for A Stable PCIe Graphics Support

The dual 12V rail design supports high stability as the CPU receives its power through an independent rail. A PCIe connector provides power for a demanding graphics card. Safety protections defend against overcurrents, over- and undervoltages, short circuits and overloads, thus keeping your valuable components safe.


400 Watts Continuous Power Output - Ensures a Steady and Reliable Operation

The SFX Power 2 can deliver 400W of continuous power. 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 with an efficiency rating of up to 89% is convincing evidence of this PSU’s power saving operation.

Features
• 80PLUS Bronze certification independently verifies the high operating-efficiency (up to 89%) of this design
• Higher efficiency means cost savings, because your PC draws less power from the mains. It also means less wasted heat, less cooling required, and an overall quieter operation
• Standby drain of less than 0.25 watts
• Meets Energy Star 5.2 guidelines
• Fulfills ErP 2014 guidelines
• Zero Load design and support of Intel’s Deep Power Down C6/C7 mode
Specifications
Size ATX
Edition SFX Power 2
Wattage 400 W
80 PLUS Certification 80 PLUS Bronze
Max. Efficiency (at 230Vac) 89.3 %
Cooling Fan
Fans 1 x 120mm
Internal +12V Rails Dual Rail
Rail 1 +12V 17 A
Rail 2 +12V 16 A
Rail 3 +12V N/A
Rail 4 +12V N/A
Rail 5 +12V N/A
Rail 6 +12V N/A
Max. Combined Output +12V N/A
Modular No
Modularity Fully Wired
SLI/CrossFire No
EPS 12V No
Motherboard Connector 20+4-pin
Connectors
  • 1 x 4-pin ATX 12V
  • 1 x 4-pin FDD Power
  • 1 x 4-pin Molex
  • 1 x 6+2-pin PCIe
  • 4 x SATA
Dimensions 125 x 100 x 63.5 (WxHxD)
Package Type  
Additional Information
Scan Code LN56105
Model Number BN227
GTIN 4260052183724
Warranty

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

Details
Duration:
24 months
Type:
Direct
DOA Period:
7 days
Manufacturer Contact Details
Manufacturer:
be quiet!
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TekSpek Guides
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Date Issued: 28th Apr 2020

Power-supply units, or PSUs, are an integral part of any computer build. Often overlooked, it is the component that is likely to last the longest, and it can be moved between systems when you upgrade to the latest and greatest in the future.

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80 Plus certification
80 Plus certification
Date Issued: 18th Nov 2010

Conceived back in 2004 and brought to market just a year later, the 80 PLUS initiative is one of many standards introduced in an effort to increase energy efficiency in modern technology. Targeting computer power supplies, it awards PSUs that are able to achieve an energy efficiency of over 80 per cent at varying workloads and a power factor of 0.9 or more at 100 per cent load.

Read More

Green computing at home
Green computing at home
Date Issued: 20th Nov 2008

This TekSpek explains what Green Computing is, what it means to the consumer, and how energy-efficient components can be beneficial in the home.

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Reviews
400W be quiet! SFX Power 2, 80 PLUS Bronze, Fully Wired, Dual (2) Rail, 1x120mm Fan, ATX PSU is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from High Quality SFX PSU Great build quality and runs ryzen 5 1500x (stock) and rx470 with no issues. Fan noise isn't louder than other fans in my case but its an 80mm, not 120mm. Cables are just right for mini-itx case, with only one pci-e power connector. Power rating is 400w constant and 450w peak.
Date published: 2018-05-05
Rated 5 out of 5 by from Great product I bought this to replace an old and very noisy PSU. This is really quiet and has solved my noise problem. Also Scan were very helpful, checking the specs of my old PSU and advising me of replacements. Many thanks to Scan.
Date published: 2015-09-04
Rated 5 out of 5 by from Excellent PSU Very well made. Very quiet, as the name suggests. Seems to be the standard size for small cases (I have a Mini-ITX case). I like the sleeved cables - easy to route.
Date published: 2015-03-17
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Questions & Answers
be quiet! BN227 SFX Power 2 400W Power Supply
be quiet! BN227 SFX Power 2 400W Power Supply