MSI MAG A550BN 550W ATX power supply

Name: Power supply unit MSI MAG 306-7ZP2A11-CE0
Brand: MSI
SKU: 4317036
Price: 48.49 EUR
Availability: InStock
Rating: 4 (1 reviews)

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Power supply unit MSI MAG A550BN 550W ATX, 80 PLUS Bronze, 120 mm fan, Active PFC

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Short description

MSI MAG A550BN is a 550 W ATX power supply for desktop PCs with 80 PLUS Bronze efficiency and Active Power Factor Correction. It features a 120 mm cooling fan, universal 100–240 V AC input, OTP protection and multiple rails (±12V, +5V, +3.3V) with specified output currents. Suitable for mid-range systems requiring stable power delivery.

Available at price 48.49 €: 200 pcs.

Total available for order: 694 pcs.

Warranty: 5 Years

SKU: 4317036

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

Monday {{selectedOffer.officeDeliveryString}}

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

Monday {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

29.06.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 2.02 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa

29.06.2026 {{selectedOffer.parcelStationDeliveryString}}

From 1.99 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

MAG A550BN is an entry-level computer power supply designed to offer reliable and efficient performance for gamers building their first DIY systems. The unit features 80 PLUS Bronze certification, a DC-to-DC circuit design, a 12V single rail, active PFC, and a low-noise 120 mm fan, delivering stable power without requiring additional configuration after installation.

Advantages

80 PLUS Bronze certification improves energy efficiency and reduces power consumption. The DC-to-DC circuit design enhances output voltage stability. A 120 mm sleeve-bearing fan provides effective cooling with reduced noise. Built-in protections (OCP, OVP, SCP, OPP, OTP) safeguard components, and a 5-year limited warranty ensures long-term reliability.

Key specifications

Certification: 80 PLUS Bronze
Design: DC-to-DC circuit
Rail: 12V single rail
Power factor correction: Active PFC
Cooling: 120 mm low-noise fan (sleeve bearing)
Protections: OCP, OVP, SCP, OPP, OTP
Warranty: 5-year limited warranty

How to use

Install the MAG A550BN into a compatible PC case, connect the main 24-pin ATX and CPU/EPS power connectors to the motherboard, and attach required peripheral and GPU power cables. Ensure proper cable routing for airflow and verify all connections before powering on. No additional software or configuration is required for standard operation.

Recommendations

For optimal performance, use the MAG A550BN with systems whose total power draw remains within the unit’s rated capacity. Maintain adequate case ventilation and periodically check the fan and dust filters to preserve cooling efficiency and reduce noise.

Specifications

Total power:: 550 W
Efficiency:: 85 %
Motherboard power connector:: 20+4 pin ATX
80 PLUS certification:: 80 PLUS Bronze
Fan diameter:: 120 mm
Product colour:: Black

All features

Power

Total power:: 550 W
Efficiency:: 85 %
Power Factor Correction (PFC) type:: Active
Power protection features:: Over current, Over power, Over voltage, Short circuit, Overheating
Combined power (+3.3V):: 110 W
Combined power (+12V):: 546 W
Combined power (+5V):: 110 W
Combined power (-12V):: 3.6 W
Combined power (+5Vsb):: 12.5 W
Max output current (+3.3V):: 20 A
Max output current (+12V):: 45.5 A
Max output current (+5V):: 20 A
Max output current (-12V):: 0.3 A
Max output current (+5Vsb):: 2.5 A
AC input frequency:: 50 - 60
AC input voltage:: 100 - 240
Maximum input current (@110V):: 8 A
Maximum input current (@220V):: 4 A

Ports & interfaces

Motherboard power connector:: 20+4 pin ATX
ATX Power connector (24-pin):: No
Number of SATA power connectors:: 5
Peripheral (Molex) power connectors (4-pin):: 2
EPS power connector (8-pin):: No
ATX power connector (20+4 pin):: No
CPU power connector (4+4 pin):: Yes
PCI Express power connectors (6+2 pin):: 2
Cabling type:: Non-Modular
Motherboard power cable length:: 600 mm
EPS power connector (4+4 pin):: Yes

Performance

Purpose:: PC
80 PLUS certification:: 80 PLUS Bronze
Power supply unit (PSU) form factor:: ATX

Design

Fan diameter:: 120 mm
Number of fans:: 1 fan(s)
Cooling type:: Active
On/off switch:: Yes
Product colour:: Black

Weight & dimensions

Height:: 86 mm
Width:: 150 mm
Depth:: 140 mm

Logistics data

Harmonized System (HS) code:: 84733020

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Instructions

mmo_93221898_1637930874_8414_22244.pdf

msi-306-7ZP2A11-CE0-4317036.pdf

msi-306-7ZP2A11-CE0-4317036(1).pdf

Description

Instructions

mmo_93221898_1637930874_8414_22244.pdf

msi-306-7ZP2A11-CE0-4317036.pdf

msi-306-7ZP2A11-CE0-4317036(1).pdf

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Warehouse	Stock	Delivery to the store	Store Price
EU2	200	Monday	48.49 €
BT14	4	Tomorrow Best delivery	50.49 €
BT19	17	Tomorrow Best delivery	51.99 €
BT10	6	Friday	53.49 €
WH113	1	03.07.2026	54.99 €
WH337	109	03.07.2026	55.99 €
EU3	34	03.07.2026	73.49 €
EU16	6	03.07.2026	74.49 €
WH94	100	03.07.2026	76.99 €

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Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	200	17.07.2026	60.99 €
WH345	17	03.07.2026	64.49 €

48.49 €

Stock: 200

Delivery Date: Monday

Warehouse: EU2

50.49 €

Stock: 4

Delivery Date: Tomorrow Best delivery

Warehouse: BT14

51.99 €

Stock: 17

Delivery Date: Tomorrow Best delivery

Warehouse: BT19

53.49 €

Stock: 6

Delivery Date: Friday

Warehouse: BT10

54.99 €

Stock: 1

Delivery Date: 03.07.2026

Warehouse: WH113

55.99 €

Stock: 109

Delivery Date: 03.07.2026

Warehouse: WH337

73.49 €

Stock: 34

Delivery Date: 03.07.2026

Warehouse: EU3

74.49 €

Stock: 6

Delivery Date: 03.07.2026

Warehouse: EU16

76.99 €

Stock: 100

Delivery Date: 03.07.2026

Warehouse: WH94

Available only for legal entities

60.99 €

Stock: 200

Delivery Date: 17.07.2026

Warehouse: WH109

64.49 €

Stock: 17

Delivery Date: 03.07.2026

Warehouse: WH345

Customer reviews

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Customer questions

FAQ

How much does the MSI MAG A550BN 550W ATX power supply cost, and is it available for purchase?

The price is 48.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 694 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All MSI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MSI service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, efficiency, motherboard power connector, 80 plus certification, fan diameter, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for MSI MAG A550BN 550W ATX power supply?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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