Montech Century II 650W Fully Modular 80+ Gold ATX 3.1 Silver Power Supply

Montech Century II 650W ATX Power Supply

The Montech Century II 650W is a modern ATX power supply designed to deliver reliable, efficient power for mainstream gaming systems, productivity PCs, and everyday desktop builds. Built around the same next-generation Century II platform as its higher-wattage counterparts, it combines 80 PLUS Gold efficiency, ATX 3.1 compliance, compact dimensions, full modularity and quiet operation, and comprehensive protection features to provide dependable performance for a wide range of hardware configurations.

Equipped with a powerful single +12V rail delivering up to 54.1A, the Century II 650W provides stable power delivery for modern processors and graphics cards. A 135mm Fluid Dynamic Bearing fan helps maintain efficient cooling with low noise levels, while a full suite of industrial-grade protection mechanisms and a 10-year manufacturer warranty provide long-term confidence for system builders and upgraders alike.

Stable Power Delivery for Modern PC Hardware

Designed to provide consistent and reliable output, the Century II 650W features a high-capacity single +12V rail capable of delivering up to 54.1A of current where modern systems need it most. This focused power architecture helps ensure stable operation under demanding workloads while supporting the requirements of contemporary CPUs, graphics cards, storage devices, and peripherals.

Efficient Performance with 80 PLUS Gold Certification

The Century II 650W is certified to the 80 PLUS Gold standard, helping to deliver high power efficiency across a range of workloads while reducing wasted energy and excess heat generation. Combined with its modern platform design, this efficiency-focused approach contributes to improved overall system performance, lower operating temperatures, and reliable long-term operation.

Efficient Cooling with Quiet Operation

A 135mm Fluid Dynamic Bearing fan provides effective thermal management while helping to minimise operating noise during everyday use. The larger fan design allows efficient airflow through the power supply, helping maintain stable operating temperatures while contributing to a quieter overall system experience.

Built for Long-Term Reliability

Engineered for dependable long-term performance, the Century II series incorporates multiple layers of electrical protection to safeguard connected hardware. OPP, OVP, UVP, SCP, OCP, and OTP protections work together to help defend against power irregularities, over-current events, overheating, and other potential faults, providing additional peace of mind for both new builds and system upgrades.

Compact Design for Flexible System Integration

With dimensions of just 140 x 150 x 86mm and support for the ATX 3.1 standard, the Century II 650W fits comfortably into a wide variety of ATX-compatible PC cases. Its compact footprint makes installation straightforward while leaving valuable space available for cable management and airflow within the chassis, helping builders create cleaner and more organised systems.

Connectivity for Essential Components

The Century II 650W provides the connections required for modern desktop systems, including a 20+4-pin motherboard connector, two 4+4-pin CPU power connectors, two 6+2-pin PCIe and a 12V-2x6 for graphics cards, six total SATA power connectors for storage devices, and four Molex connectors for legacy hardware and accessories. This versatile connectivity ensures compatibility with a broad range of components and system configurations.

• 650W ATX power supply.
• 80 PLUS Gold certified efficiency.
• ATX 3.1 compliant design.
• Single +12V rail delivering up to 54.1A.
• Compact 140 x 150 x 86mm dimensions.
• 135mm Fluid Dynamic Bearing fan.
• OPP, OVP, UVP, SCP, OCP, and OTP protection systems.
• 1 x 20+4-pin, 2 x 4+4-pin, 2 x 6+2-pin + 1 x 12V-2x6, 6 x SATA, 4 x Molex connectors.
• Backed by a 10-year manufacturer warranty.