GIGABYTE P550SS Power Supply - PCIe 5.0 vs 5V Power Supply for Polycom VVX 150 250 350 450 2200-48872-001 1465-48871-001
Updated August 2026 — The GIGABYTE P550SS Power Supply is ideal for high-performance systems, while the 5V Power Supply for Polycom is a budget-friendly option for VoIP devices.
The GIGABYTE P550SS Power Supply is ideal for high-performance systems, while the 5V Power Supply for Polycom is a budget-friendly option for VoIP devices.
Why GIGABYTE P550SS Power Supply - PCIe 5.0 is better
Power Output
GIGABYTE provides a robust +12V rail for demanding components.
Safety Features
GIGABYTE includes multiple protection features for user safety.
Design Quality
GIGABYTE features a flat cable design and a high-quality fan for better performance.
Why 5V Power Supply for Polycom VVX 150 250 350 450 2200-48872-001 1465-48871-001 is better
Price
5V Power Supply is significantly cheaper.
Compatibility
5V Power Supply is tailored for specific VoIP devices.
Cable Length
5V Power Supply includes a longer cable for flexibility.
Overall score
Specifications
| Spec | GIGABYTE P550SS Power Supply - PCIe 5.0 | 5V Power Supply for Polycom VVX 150 250 350 450 2200-48872-001 1465-48871-001 |
|---|---|---|
| Brand | Gigabyte | COLM |
| Certification | 80 PLUS Silver | None |
| Output Voltage | +12V | 5V |
| Output Current | N/A | 3A |
| Cable Length | N/A | 6.6 ft |
| Fan Type | FDB | Standard |
| Use Case | High-performance PCs | VoIP devices |
Dimension comparison
Overview of the Products
The GIGABYTE P550SS Power Supply is designed for high-performance systems, while the 5V Power Supply for Polycom VVX series is tailored for VoIP phones. The GIGABYTE model is priced at £40.99, reflecting its advanced features, whereas the COLM power supply is significantly less expensive at £11.98, focusing on specific compatibility with VoIP devices.
Power Output and Specifications
The GIGABYTE P550SS boasts a robust power output with a single +12V rail, essential for powering demanding components effectively. This power supply supports Intel's ATX 3.0 standard and includes an 80 PLUS Silver certification, indicating high energy efficiency. In contrast, the 5V Power Supply for Polycom offers an output of 5V at 3A, delivering a maximum of 15W. This lower power output is sufficient for operating VoIP phones but would be inadequate for demanding computing tasks.
Design and Build Quality
When it comes to design, the GIGABYTE P550SS features a flat cable design which helps with cable management in a PC case, enhancing airflow and aesthetics. Its 120mm Fluid Dynamic Bearing fan is engineered for quiet operation and longevity. On the other hand, the COLM power supply includes a 6.6 ft cable, allowing for flexibility in placement, but it is more utilitarian in design, focusing on function over form.
Compatibility and Use Cases
The GIGABYTE P550SS is ideal for gamers and professionals requiring a dependable power supply for high-performance systems. It provides the necessary power for modern GPUs and CPUs, ensuring stable operation during intensive tasks. Conversely, the 5V Power Supply for Polycom is specifically compatible with a range of VoIP devices, including the Polycom VVX series and several Cisco and Yealink models. This makes it an excellent choice for businesses relying on IP telephony.
Safety Features
Safety is paramount when it comes to power supplies. The GIGABYTE P550SS includes multiple protection features such as Over Voltage Protection (OVP), Over Power Protection (OPP), Short Circuit Protection (SCP), Under Voltage Protection (UVP), Over Current Protection (OCP), and Over Temperature Protection (OTP). These features provide peace of mind for users. In contrast, the 5V Power Supply for Polycom does not mention any specific safety features, which could be a consideration for users worried about device protection.
Noise Levels
The GIGABYTE P550SS is designed with a 120mm fan that utilises Fluid Dynamic Bearing technology, which generally provides quieter operation and reduced noise compared to standard fans. This is particularly beneficial for users who appreciate a quieter computing environment. The 5V Power Supply for Polycom, while not specifically rated for noise, is typically quieter due to its limited power output and the nature of its use in VoIP applications, which don't require high-speed fans.
Price Comparison
The GIGABYTE P550SS is priced at £40.99, reflecting its advanced capabilities and suitability for high-performance computing. In contrast, the 5V Power Supply for Polycom is considerably more affordable at £11.98, making it an economical choice for users needing a dedicated power source for VoIP phones. This significant price difference highlights the differing target markets for these products, with the GIGABYTE supply aimed at gamers and professionals, and the COLM supply targeting businesses and home office users.
Which should you buy?
Choosing between the GIGABYTE P550SS Power Supply and the 5V Power Supply for Polycom depends largely on your needs. If you require a high-performance power supply capable of supporting demanding computing tasks, the GIGABYTE P550SS is the clear winner with its robust features and safety protections. However, if your focus is solely on powering VoIP devices like the Polycom VVX series, the COLM power supply offers a cost-effective solution tailored for that purpose. Your decision should align with the specific requirements of your setup, whether it’s high-performance computing or reliable VoIP functionality.
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