Manufacturer: Seasonic

Introduction and Features

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Seasonic has built a stellar reputation for themselves producing some of the best PC power supplies on the market. Over the years, Seasonic has been the OEM (Original Equipment Manufacturer) of choice for companies like Corsair, PC Power & Cooling, and XFX to name just a few. But Seasonic also markets power supplies under their own brand name. The Platinum 660W/760W/860W Series is Seasonic's newest flagship line for the retail market. We will be taking a detailed look at the Platinum 660W model in this review. All of the PSUs in the Platinum Series are based on Seasonic's X-Series, which has brought several major advancements to the standard PC power supply platform since its introduction over three years ago.

• Proprietary circuit design delivers High efficiency (80Plus Platinum certified)
• Full modular DC Connector Module features integrated VRMs (3.3V and 5V)
• Hybrid Silent Fan Control (3 modes of operation: Fanless, Silent and Cooling)
• High-quality Sanyo Denki SanAce120 dual ball bearing fan with PWM
• High-reliability 105°C grade A capacitors and solid polymer capacitors

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Seasonic Platinum 660W Power Supply

The Platinum 660W, 760W and 860W are top performers and highly efficient power supplies that at lower loads can operate silently in semi-fanless mode.

80Plus Platinum The Platinum Series 660W, 760W, and 860W power supplies are certified in accordance to the 80PLUS organization's highest standard, offering the newest technology and innovation for performance and energy savings with up to 92% efficiency and a true power factor of greater than 0.9 PF.

Full Modular Design (DC to DC) Carried over from the Seasonic X-Series power supplies, the new Platinum Series features an integrated DC connector panel with onboard VRM (Voltage Regulator Module) that enables not only near perfect DC-to-DC conversion with reduction of current loss/impedance and increase of efficiency but also a fully modular DC cabling that enables maximum flexibility of integration and forward compatibility.

Continue reading our review of the Seasonic Platinum Series 660 watt power supply!!