MSI MAG A550BN
MSI MAG A550BN Specifications
The MSI MAG A550BN by MSI is a power supply unit that provides 550 watts of power output. This unit follows the 2.3 standard and comes in a ATX size. It is certified with 80 PLUS® Standard and rated at Bronze efficiency, reaching a peak efficiency of 85%. It features a 120 mm cooling fan , and is actively cooled. This PSU is non-modular . It delivers:
- 45 A on the 12V rail (1 rail(s))
- 20 A on the 5V rail
- 20 A on the 3.3V rail
MSI MAG A550BN Performance Review
The MSI MAG A550BN is a mid-range power supply, suitable for mainstream gaming builds and entry-level workstation setups. It offers enough capacity for systems using efficient CPUs and mid-tier graphics cards, striking a good balance between efficiency and power needs.
This PSU offers a mid-range efficiency of 85%, suitable for entry-level to mid-tier systems. It may have a shorter warranty, but it still provides acceptable performance and value for standard computing needs.
This PSU delivers excellent value, with a competitive cost of only $98.2 per kilowatt. While it may not offer high-end performance, it is still recommended at this price point due to its outstanding cost-effectiveness and suitability for entry-level or low-power systems.
Power Supply Information
Manufacturer: MSI
Power Supply Name: MSI MAG A550BN
Current Price Amazon: $54
Amazon Price Updated: 1 day, 9 hours ago.
Power Supply Available: True
Power Output: 550 W
ATX Version / Form Factor: 2.3 / ATX
Certifications: 80 PLUS® Standard
Efficiency Rating: Bronze
Modular / Fanless: False / False
Fan Size / Fan Stop: 120 mm / False
Dimensions: 150 x 140 x 86 mm
Warranty: 5 years
Input Voltage: 100-240 V
Performance
Number of 12 V Rails: 1
Output 12 V / 5 V / 3.3 V: 45 A / 20 A / 20 A
Maximum Efficiency: 85%
Calculated Performance
Performance: 55.1%
Performance per Price: 102.1%
Price per kW: 98.2 USD/kW
MSI MAG A550BN Compared to Similar Performance PSUs
Power Supply Price / Performance Table
| Power_Supply (Desc) | Price (Desc) | Quality_&_Perf (Desc) | Q&P/Price (Desc) | USD/Kilowatt (Desc) |
|---|---|---|---|---|
|
$71
|
↓
-6.6%
|
57.2%
|
80.5%
|
109.2
|
|
|
$69❗
|
0.0%
|
57.2%
|
82.8%
|
106.2
|
|
|
$74
|
0.0%
|
57.2%
|
77.2%
|
113.8
|
|
|
$69
|
0.0%
|
56.2%
|
81.5%
|
125.5
|
|
|
$41
|
0.0%
|
55.3%
|
134.9%
|
75.9
|
|
|
$54
|
0.0%
|
55.1%
|
102.1%
|
98.2
|
|
|
$81
|
0.0%
|
55.1%
|
68.1%
|
147.3
|
|
|
$39
|
0.0%
|
52.5%
|
134.7%
|
92.9
|
|
|
$49❗
|
0.0%
|
49.2%
|
100.4%
|
81.7
|
Power Supply Specification Table
| Power_Supply (Desc) | Wattage (Desc) | ATX Ver / FF / Modular | Efficiency | 12V Rails / Amp | Output 12V/5V/3.3V | Warranty |
|---|---|---|---|---|---|---|
| Thermaltake Smart BM3 650W 80Plus Bronz… | 650 W | 3.0 / ATX / True | Bronze, 85% | 1 / 54.00 A | 54 A / 18 A / 18 A | 5 years |
| Thermaltake Smart BX3 650W 80Plus Bronz… | 650 W | 3.1 / ATX / False | Bronze, 85% | 1 / 54.00 A | 54 A / 18 A / 18 A | 5 years |
| MSI MAG A650BE | 650 W | 2.3 / ATX / True | Bronze, 85% | 1 / 54.00 A | 54 A / 20 A / 20 A | 5 years |
| CORSAIR CX550 | 550 W | 2.3 / ATX / False | Gold, 88% | 1 / 44.00 A | 44 A / 20 A / 24 A | 5 years |
| Thermaltake SMART 600W ATX 12V V2.3/EPS | 540 W | 2.3 / ATX / False | 80 PLUS, 86% | 1 / 42.00 A | 42 A / 17 A / 22 A | 5 years |
| MSI MAG A550BN | 550 W | 2.3 / ATX / False | Bronze, 85% | 1 / 45.00 A | 45 A / 20 A / 20 A | 5 years |
| Thermaltake Smart BX3 550W 80Plus Bronz… | 550 W | 3.1 / ATX / False | Bronze, 85% | 1 / 46.00 A | 46 A / 16 A / 16 A | 5 years |
| Thermaltake Smart 500W | 420 W | 2.3 / ATX / False | 80 PLUS, 85% | 1 / 35.00 A | 35 A / 15 A / 20 A | 5 years |
| MSI MAG A600DN | 600 W | 2.3 / ATX / False | 80 PLUS, 81% | 2 / 25.00 A | 50 A / 14 A / 14 A | 3 years |