Legit Power Supply Reviews

Seasonic Platinum 1000W Power Supply Review

Manufacturer: Seasonic
Product: Platinum-1000
Date: Mon, Jul 30, 2012 - 12:00 AM
Written By: Emmanouil Filladitakis -
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SeaSonic Platinum-1000 PSU

When it comes to high performance computer power supply units, Seasonic is one of the most reputable manufacturers. The company serves as the OEM of many other well-known brands, such as Corsair and NZXT, but they also have their own retail branch. Today we will be performing our very first review of a retail Seasonic product and we are starting with the very best their engineering department has ever designed to this date; the Platinum 1000W unit.


As its name suggests, the Platinum series unit carries the best possible efficiency certification of the 80Plus program, promising an electrical efficiency of over 92% under nominal load and over 89% across the entire load range. Aside from the 80Plus Platinum certification, Seasonic placed a lot of effort on making this unit aesthetically appealing and the company also promises exceptional electrical performance. The many promotional offers are the icing on the cake, as one can now purchase the unit for $186.99 shipped. But how does this unit's performance compares to other similarly priced products? We will find out in this review.

SeaSonic Platinum-1000 Power Supply

SeaSonic Platinum-1000 Features:

  • 80 PLUS Platinum Certified Super High Efficiency
  • 7 Year Limited Warranty
  • DC Connector Panel with Integrated VRM [Voltage Regulator Module]
  • DC to DC Converter Design
  • Active Power Factor Correction [99% PF Typical]
  • Conductive Polymer Aluminum Solid Electrolytic Capacitors
  • High Reliability 105°C Japanese Grade A Capacitors
  • High Current Gold Plated Terminals
  • Tight Voltage Regulation [±2%]
  • High +12V Output
  • Dual Sided PCB Layout
  • Seasonic Patented Hybrid Silent Fan Control
  • Sanyo Denki San Ace Silent Fan
  • Ultra Ventilation [Honeycomb Structure]
  • Full Modular Cabling Design
  • Multi-GPU Technologies Supported
  • All-in-One DC Cabling Design
  • Easy Swap Connector
  • Universal AC Input [Full Range]

SeaSonic Platinum-1000 Specifications:

SeaSonic Platinum-1000 Specifications

Let's move on and take a look at this power supply!

Next Page - Unboxing the power supply


Review Index
Page 1 - SeaSonic Platinum-1000 PSU
Page 2 - Unboxing the power supply
Page 3 - External Design
Page 4 - A look inside
Page 5 - Test Setup
Page 6 - Testing results (Regulation & Ripple)
Page 7 - Testing results (Efficiency, Noise & Thermal)
Page 8 - Seasonic Platinum 1000W PSU Conclusion