DeepCool PL550D 550W Bronze SMPS – Reliable ATX 3.1 Power for Modern PCs

DeepCool PL550D 550W Bronze SMPS is a reliable and modern power supply designed to deliver stable power to gaming PCs, desktop computers and performance-oriented systems. Built according to the latest Intel ATX 3.1 standard, the PL550D brings modern power delivery features to a non-modular 550W PSU. It combines 80 PLUS Bronze efficiency, a native PCIe 5.1 power connector and multiple protection features to provide dependable operation for compatible PC components.

With 550W of rated power, the DeepCool PL550D is suitable for a wide range of mainstream desktop configurations. It is designed to provide consistent power to the CPU, graphics card, storage devices, motherboard and other connected components. The non-modular design keeps the PSU straightforward and practical for users who prefer a conventional cable configuration.

Native ATX 3.1 Design

The DeepCool PL550D 550W Bronze SMPS is built around the ATX 3.1 standard and is designed to handle short-duration power excursions generated by modern PC components. The PSU can provide up to twice the total system power for 0.1 ms, helping it deal with brief power spikes from demanding hardware.

ATX 3.1 compatibility makes the PL550D a suitable option for modern PC builds where updated power delivery standards are important. The power supply also includes a native PCIe 5.1 connector for compatible graphics cards.

PCIe 5.1 and 12V-2×6 Power

The DeepCool PL550D comes equipped with a 16AWG 12V-2×6 power cable designed for modern GPUs. Its native PCIe 5.1 power connector is rated to provide up to 300W, making it suitable for compatible graphics cards that use the newer power connection.

The inclusion of the 12V-2×6 connector reduces the need for additional adapters in compatible configurations and provides a cleaner connection between the power supply and supported graphics hardware.

80 PLUS Bronze Efficiency

The DeepCool PL550D 550W Bronze SMPS carries an 80 PLUS Bronze efficiency certification. It is rated for at least 85% efficiency under a typical 50% load, helping reduce unnecessary energy loss during normal operation.

The combination of active PFC and DC-to-DC conversion contributes to stable and efficient power delivery across the system. This makes the PL550D a practical choice for everyday computing, gaming and other desktop workloads.

Stable Power Delivery

The PL550D uses Active PFC + DC-to-DC power conversion and a dual-transistor forward topology. This design is intended to provide stable and consistent power to connected PC components.

The PSU also features a hold-up time of at least 16ms under full load, helping maintain power stability during brief interruptions or fluctuations. The unit is designed to operate at temperatures from 0°C to 40°C and has a rated MTBF of 100,000 hours.

120mm Hydro-Bearing Cooling Fan

Cooling is handled by a 120mm hydro-bearing fan that helps maintain appropriate internal temperatures during operation. The hydro-bearing design provides smooth fan operation while supporting long-term reliability.

The fan works according to the cooling requirements of the power supply, helping maintain suitable operating temperatures while powering the connected system.

Multiple Protection Features

The DeepCool PL550D 550W Bronze SMPS includes several built-in protection mechanisms designed to safeguard the power supply and connected PC components. These include:

• OPP – Over Power Protection
• OVP – Over Voltage Protection
• SCP – Short Circuit Protection
• OTP – Over Temperature Protection
• OCP – Over Current Protection
• UVP – Under Voltage Protection
• SIP – Surge & Inrush Protection
• NLO – No Load Operation Protection

These protection systems help provide an additional layer of safety during different operating conditions.

Non-Modular Design for Practical PC Builds

The DeepCool PL550D uses a non-modular cable design, meaning the required power cables are permanently attached to the PSU. This approach keeps the PSU simple and straightforward to install.

The PL550D provides three PCIe connectors, two EPS connectors, four SATA connectors and one peripheral 4-pin connector, allowing it to support a variety of PC components and storage configurations.

Compact ATX Form Factor

With dimensions of 150 × 140 × 86mm, the DeepCool PL550D is designed around a standard ATX power supply form factor. Its compact dimensions make it suitable for a wide range of compatible PC cases.

Whether you are assembling a new desktop, upgrading an existing system or building a gaming PC, the PL550D offers a practical combination of modern connectivity, efficiency and protection.

5-Year Warranty

DeepCool provides a 5-year warranty with the PL550D, offering additional peace of mind for users looking for a dependable power supply for their PC.

Overall, the DeepCool PL550D 550W Bronze SMPS is a practical ATX 3.1 power supply featuring 80 PLUS Bronze efficiency, native PCIe 5.1 connectivity, a 12V-2×6 cable, active PFC, DC-to-DC conversion, multiple protection systems and a 120mm hydro-bearing fan. It is a suitable choice for mainstream gaming PCs, office systems, home computers and other compatible desktop configurations.

Specifications