Scan code: LN42412 Manufacturer code: PSUACE550BR

Ace 550W Power Supply

550W ACE PSUACE550BR 1x120mm Quiet Fan, ATX v2.03, PSU

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Scan code: LN42412 Manufacturer code: PSUACE550BR
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 20th Jun 2019 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

  • 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.

Frequently Bought Together
Product Overview PSUACE550BR comes with 12cm Red fan and available in black colour. Features • Power Factor Control (PFC).
• New Version 1.3 / 2.03.
• Silent with better ventilation.
• ATX 12V compliant for most CPUs and mainboards.
Size ATX
Wattage 550 W
80 PLUS Certification Uncertified
Max. Efficiency (at 230Vac)  
Cooling Fan
Fans 1 x 120mm
Internal +12V Rails Single Rail
Rail 1 +12V 24A A
Rail 2 +12V N/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 28A A
Modular No
SLI/CrossFire No
EPS 12V No
Motherboard Connector 20+4-pin
  • 1 x 4-pin ATX 12V
  • 1 x 4-pin FDD Power
  • 3 x 4-pin Molex
  • 2 x SATA
Dimensions 150 x 85 x 140 (WxHxD)
Package Type  
Additional Information
Scan Code LN42412
Model Number PSUACE550BR
GTIN 5055492400031

Please note your statutory rights are not affected.

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

12 months
DOA Period:
7 days
RTB Period:
1 months
Manufacturer Contact Details
0870 248 5492
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TekSpek Guides
Power Supplies
Power Supplies
Date Issued: 25th Oct 2017

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.

Read More

550W ACE PSUACE550BR 1x120mm Quiet Fan, ATX v2.03, PSU is rated 3.2 out of 5 by 6.
Rated 4 out of 5 by from Does what it should. So far so good. PC powered and working well. Fan is quiet and seems to shift a good deal of air.
Date published: 2017-11-06
Rated 3 out of 5 by from Cheap Light weight PSU Cheap Light weight PSU, ideal to replace a faulty one in an old or cheap PC.
Date published: 2016-05-12
Rated 4 out of 5 by from Good but has it's downfalls This product is great value for the money. It may not have 80+ certification but it does the job well Pros: Good value for money 550 Watt Single Rail Cons: Cables for motherboard power are short May require an extension cable for the 4pin 12volt CPU header
Date published: 2014-01-06
Rated 1 out of 5 by from Two units dead on arrival Verry dissapointed the first unit arrived dead on arrival. I requested a returns authorisation and sent it back at my cost. A second unit arrived and that was also dead. Havent bothered sending it back as it would cost another £6 for carriage. Had to go to Maplin and get one off the shelf to repair the desktop.
Date published: 2013-12-17
Rated 3 out of 5 by from Does what it says on the tin, but you get what you pay for Quiet operation, does its job, and great looks for the price. However, the power supply was mounted at the bottom of a mid-size case and the 4-pin ATX 12V cable could not reach the power connector by the CPU, at the 'top' of the motherboard. Do bear this in mind when considering this power supply.
Date published: 2013-12-11
Rated 4 out of 5 by from Excellent value! The motherboard bundle I purchased has brought new life into my old case. Knowing that I can trust Scan's expertise in selecting only the highest quality hardware, I have saved hours of painful research looking for a set of parts which will perform well at a economical price.
Date published: 2013-10-09
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Questions & Answers
Ace 550W Power Supply
Ace 550W Power Supply