MSI MAG A550BN & A650BN Power Supply Unit
Specifications, Connectors, and Cable Lengths
Product Overview
This document provides detailed specifications and connector information for the MSI MAG A550BN and A650BN Power Supply Units (PSUs).
The dimensions of the PSU are approximately 150mm (width) x 140mm (depth) x 86mm (height).
Power Connectors
The following table lists the number of power connectors available for each model:
| Power Connectors | A550BN | A650BN |
|---|---|---|
| ATX12V (Motherboard) 20+4 pin | 1 | 1 |
| EPS12V (CPU) 4+4 pin | 1 | 1 |
| PCIe (VGA) 6+2 pin | 2 | 2 |
| SATA 15 pin | 5 | 5 |
| Peripheral (PATA) 4 pin | 2 | 2 |
| FDD 4 pin | 1 | 1 |
Specifications
550W Model
| Parameter | +5V | +3.3V | +12V | -12V | +5Vsb |
|---|---|---|---|---|---|
| Voltage | |||||
| Max load | 20.0A | 20.0A | 45.5A | 0.3A | 2.5A |
| Min load | 0.0A | 0.0A | 0.0A | 0.0A | 0.0A |
| Peak load | -- | -- | -- | -- | 3.0A |
| Combined power | 110W | 546W | 3.6W | 12.5W | |
| Regulation | ±5% | ±5% | ±5% | ±10% | ±5% |
| Ripple & Noise | 50mV | 50mV | 120mV | 120mV | 50mV |
650W Model
| Parameter | +5V | +3.3V | +12V | -12V | +5Vsb |
|---|---|---|---|---|---|
| Voltage | |||||
| Max load | 20.0A | 20.0A | 54.0A | 0.3A | 2.5A |
| Min load | 0.0A | 0.0A | 0.0A | 0.0A | 0.0A |
| Peak load | -- | -- | -- | -- | 3.0A |
| Combined power | 110W | 648W | 3.6W | 12.5W | |
| Regulation | ±5% | ±5% | ±5% | ±10% | ±5% |
| Ripple & Noise | 50mV | 50mV | 120mV | 120mV | 50mV |
Connectivity and Cable Lengths
The following diagrams illustrate the connectors and their respective cable lengths:
ATX12V 20+4 pin: 600±25mm
PATA 4 pin: 400±25mm, 150±12mm, 150±12mm, 150±12mm
SATA 15 pin: 400±25mm, 150±12mm, 150±12mm
FDD 4 pin: 150±12mm
EPS12V 4+4 pin: 600±25mm
PCIe 6+2 pin: 600±25mm
PCIe 6+2 pin: 600±25mm
Manufacturer Information
MAG A550BN / MAG A650BN
Product Name: Power Supply Unit
Model: MAG A550BN / MAG A650BN
After-sales Service: 1644-4038
Manufacturer: Channel Well Technology (Guangzhou) Co., Ltd.
Country of Origin: China
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