Building or upgrading your own computer can be an exciting, as well as stressful process. Researching each component, reading reviews, visiting different vendor sites, and so on can give you information overload. Most people would agree that the power supply is the single most important component of any build.

Today we look at the Seasonic S12D SS-750HT 750 Watt power supply, as shown in the promotional image above. Seasonic has been on the cutting edge of power supply technology since 1975. They entered the market to support the Apple II and the IBM PC, and they have been running strong ever since. They were the first power supply manufacturer to win the tough 80 Plus efficiency certification, and the S12D 750W unit happens to be certified 80 Plus Silver.

Before taking a look at the sample provided for review, let's look at some information regarding the S12D 750W power supply as provided by Seasonic.

Features:

» Super High Efficiency [up to 90%] - Green solution for lowering energy consumption, noise & heat.

» DC to DC Converter Design - Superior dynamic response & greater system stability.

» Practical Dual +12V Rails - Ample 12v output with OCP for extreme utilization.

» Tight Voltage Regulation - Improved load regulation to reduce voltage variations.

» High Reliable 105°C Japanese Capacitors - Exceptionally reliable components extend product life.

» Solid Caps on 12Vs for Extreme Stress Operation Conditions - Great stability at higher operating temperatures, frequencies and currents.

» Active Power Factor Correction [99%PF] - Reduces line loss & power distortion.

» Dual Sided PCB Layout - Better utilization of PCB space to enhance quality and performance.

» San Ace Silent Fan [SANYO DENKI] - Premium quality fan for silent operation.

» Smart & Silent Fan Control [ S²FC] - Smart thermal control to balance noise & cooling.

» Ultra Ventilation [Honey Comb Structure] - Minimized airflow resistance for maximum cooling.

» All in One DC Cabling Design - Supports PC, IPC, workstation, server, & dual CPU systems.

» Universal AC Input [Full Range] - Plug & run safely anywhere in the world.

» Patented Easy Swap Connector - Unplug the connectors easily & quickly.

» 5 Year Warranty - Our Commitments to superior quality.

Specifications:

» Type: ATX12V V2.3/EPS 12V V2.91
» Maximum Power: 750W
» Fans: Silent 120mm fan
» PFC: Active
» +12V Rails: 2
» PCI-Express Connector: 2 x 6-Pin, 2 x 6+2-Pin
» SATA Power Connector: 9
» Efficiency: up to 90%
» Energy-Efficient: 80 PLUS SILVER Certified
» Over Voltage Protection: Yes
» Input Voltage: 100 - 240 V
» Input Frequency Range: 50/60 Hz

Connectors:

» 1 x Main connector (20+4Pin)
» 1 x 4-Pin ATX 12V
» 1 x 8-Pin EPS 12V
» 6 x Peripheral
» 9 x SATA
» 1 x Floppy
» 4 x PCI-E