MSI
Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit
Best price incl. delivery
£42.99
Free delivery included
Prices range from £42.99 to £49.99 across 6 stores
Currys.co.ukFree delivery
6 stores
BrandMSI
EAN4719072870485
Compare prices
About this product
MSI MAG A550BN UK PSU '550W, 80 Plus Bronze certified, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, Non-Modular, Sleeved Cables, ATX Power Supply Unit, UK Powercord, Black'. Total power: 550 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 60 cm, 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. Width: 150 mm, Depth: 140 mm, Height: 86 mm
Specifications
Power
Efficiency85 %
Total power550 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Combined power (+5V)110 W
Combined power (+12V)546 W
Combined power (-12V)3.6 W
Combined power (+3.3V)110 W
Combined power (+5Vsb)12.5 W
Max output current (+5V)20 A
Max output current (+12V)45.5 A
Max output current (-12V)0.3 A
Power protection featuresOver current,Over power,Over voltage,Overheating,Short circuit
Max output current (+3.3V)20 A
Max output current (+5Vsb)2.5 A
Maximum input current (@110V)8 A
Maximum input current (@220V)4 A
Power Factor Correction (PFC) typeActive
Design
Cooling typeActive
Fan diameter120 mm
On/off switchY
Number of fans1 fan(s)
Product colourBlack
Performance
PurposePC
80 PLUS certification80 PLUS Bronze
Power supply unit (PSU) form factorATX
Price History (Last 30 Days)
Lowest Price Ever
£42.99
Currys.co.uk · 10 May 2026
Highest Price
£54.98
Back to the Office · 2 May 2026
Recent Price Changes
Currys.co.uk·10 May
£44.99→£42.99↓£2.00
ComputersDeal·4 May
£53.11→£52.86↓£0.25
PcNova.co.uk·4 May
£53.11→£52.86↓£0.25
GamingKit·4 May
£54.18→£53.92↓£0.26
Back to the Office·2 May
£52.98→£54.98↑£2.00
ComputersDeal·1 May
£50.86→£53.11↑£2.25
PcNova.co.uk·1 May
£50.86→£53.11↑£2.25
GamingKit·1 May
£51.88→£54.18↑£2.30
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Frequently Asked Questions
What is the cheapest price for Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit?
The cheapest price for Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit is £42.99 (including delivery) from Currys.co.uk.
How many stores sell Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit?
We compare prices from 6 different UK stores to help you find the best deal for Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit.
Does Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit come with free delivery?
Yes! 5 of our partner stores offer free delivery on Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit.
What is the price range for Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit?
Prices for Msi Mag A550BN 550W 80+ Bronze Rated Atx Power Supply Unit range from £42.99 to £49.99 across different retailers.
Independent price comparison·Prices updated regularly
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