MSI MAG A550BN 550W 80+ Bronze ATX Power Supply

The MSI MAG A550BN is a 550W ATX power supply rated 80+ Bronze, designed for budget and entry-level gaming builds requiring reliable, efficient power. Featuring DC-DC circuit design, a single +12V rail, a 120mm low-noise fan and active PFC, it delivers stable power in a straightforward non-modular package, backed by a 5-year warranty.

UK-based seller
Tracked delivery across the UK
Genuine product from trusted distributors

Key Features

• 550W continuous power for budget and entry-level gaming builds
• 80+ Bronze certified for up to 85% efficiency
• DC-DC circuit design for stable voltage regulation
• Single +12V rail for straightforward power delivery
• Non-modular design with sleeved cables
• 120mm low-noise fan for reliable cooling
• Active PFC design
• Protection suite: OVP, OCP, OPP, SCP, OTP
• 5-year manufacturer warranty

Product Overview

The MSI MAG A550BN offers dependable 80+ Bronze efficiency for budget builds and office PCs. The DC-DC circuit design ensures stable voltage regulation across all rails, while the single +12V rail simplifies power distribution. The non-modular design keeps costs low, and the 120mm fan provides quiet, reliable cooling for everyday use. Compatible with standard ATX cases and a wide range of entry-level to mid-range components. Supplied with a UK power lead.

Compatibility: Standard ATX form factor. UK power lead included. AC input: 200–240VAC.

Delivery & Fulfilment
This product is sold by TechFinder UK, a UK-based sole trader business.
All hardware is sourced through established distribution partners.
Orders are dispatched within 1–2 business days with tracked delivery across the United Kingdom.

Why Buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established distribution partners
• Secure checkout with buyer protection
• Tracked UK delivery, dispatched within 1–2 business days
• Pre- and post-purchase support available

Technical Details

• Wattage: 550W
• Efficiency: 80+ Bronze
• Modular: No (non-modular, sleeved cables)
• Fan: 120mm
• Rail: Single +12V
• Topology: DC-DC circuit
• Connectors: 1x 20+4-pin, 1x 8-pin EPS, 2x 6+2-pin PCIe, 5x SATA, 2x Peripheral, 1x Floppy
• Protections: OVP, OCP, OPP, SCP, OTP
• AC Input: 200–240VAC
• Dimensions: 150 x 140 x 86mm
• Warranty: 5 years

Product Identification
Model: MAG A550BN
EAN: 4719072870485