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Product Code: PSEL-256
MPN #: A-PWA1-550W
The TerraMaster A-PWA1-550W is a 550W power supply unit designed to provide power to compatible TerraMaster systems. It is built as a single power supply unit, making it suitable for supported devices that require a 550W PSU.
With a 550W power rating, this PSU provides the power capacity required by compatible TerraMaster hardware. It is designed as a dedicated power solution for systems that support this specific power supply configuration.
The A-PWA1-550W can be used as a replacement or additional power supply for compatible TerraMaster equipment. Its single-PSU design provides a straightforward power solution for supported systems.
For proper operation, the A-PWA1-550W should be used only with TerraMaster devices specified as compatible with this power supply unit. This helps ensure the system receives the appropriate power supply for its configuration.
TerraMaster A-PWA1-550W power supply unit
550W power rating
Single power supply unit design
Designed for compatible TerraMaster systems
Provides dedicated system power
Suitable as a replacement PSU
Designed for supported TerraMaster hardware
Practical power solution for compatible systems
| Brand | TerraMaster |
| Model | A-PWA1-550W |
| Product Type | Single Power Supply Unit (PSU) |
| Power Output | 550W |
| Power Supply Type | Switching Power Supply |
| AC Input | 100-240V~, 7A, 50-60Hz |
| DC Input | 240V~, 2A, |
| DC Output | +12V, +12VSB |
| Maximum Load | +12V: 45A, +12VSB: 2.1A |
| Maximum Output | 550W |
| Efficiency | >80% at typical load |
| Revision | 00 |
| Certification | 80 PLUS |
| Country of Manufacture | Made in China |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)