Power SuppliesMSI
MSI MAG A550BN 550W 80+ Bronze Power Supply
MPN: MAG A550BN
Key specifications
Wattage550 W
Form factorATX
ModularFully Wired
Efficiency80 PLUS Bronze
Depth140 mm
Full Specifications26 fields
Additional Information
Model Number
MAG A550BN
Gtin
4719072870485
Specifications
Form Factor
ATX
Edition
MAG A550BN
Wattage
550 W
Energy Efficiency Certification
80 PLUS Bronze
Max Efficiency At 230vac
85 %
Cooling
Fan
Fans
1 x 120mm
Internal 12v Rails
Single Rail
Rail 1 12v
45.5 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
45.5 A
Modular
No
Modularity
Fully Wired
Sli Crossfire
No
Eps 12v
Yes
Motherboard Connector
20+4-pin
Connectors
1 x 4+4-pin CPU +12V (EPS)
1 x 4-pin FDD Power
2 x 4-pin Molex
2 x 6+2-pin PCIe
5 x SATA
Dimensions
150 x 86 x 140 (WxHxD)
Package Type
Retail
Warranty
5 Year
Best indexed price
£35.28GBP
Indexed 16 Mar 2026 — verify at retailer
