Platinum Series
 860 /  1000
   Platinum Series
 660 / 760 / 860
   Platinum Series
 400 / 460 / 520
   X series
 1050 / 1250
   X series
 560 / 660 / 760 / 850
   X series
 650 / 750 / 850
   X Series
   G Series
 450 / 550 / 650
   G Series 360
   M12II Bronze
 650 / 750 / 850
   M12II Bronze
   S12II Bronze
   PC Power Supply
      OEM Brown Box
   IPC & Server PSU
 Open Frame

 Power Supply
 DC to DC Board

User Manual
  Warranty Card


Behold, the whole new designed of Seasonic M12D modular gaming power supplies, offering a wide range of features you have never seen before, comes with 750 and 850 Watts(ATX12V 2.3V+ EPS12V 2.92 compliant), offers buyers with a high range power output solution with revolutionary improvement to bring your gaming to next level.  The new M12D features DC to DC Converter design to provide outstanding dynamic response and greater system stability at the same time.

Today, advanced graphic cards are more popular than ever, Seasonic M12D modular gaming power supplies is capable to deliver with four PCI-E connectors to match NVIDIA or ATI video cards, perfect for personal desktop, high-end gaming applications and for you servers.  Along with the exceptional reliable 105oC Japanese made Capacitors to bring longer product life length, Seasonic is honored to work with Sanyo Denki for its San Ace Silent Fan to provide absolutely silent operation to your PC.  More importantly, Seasonic M12D series achieved 80Plus Silver certified status with efficiency greater than 85% at 20%, 50% and 100% during operation.  Advanced thinking, think Seasonic.

The Seasonic M12D 750W/850W series features DC to DC design capable of maintain system stability in any condition while offering superior dynamic response at the same time.  The incorporates Seasonic’s award winning Smart & Silent Fan Control [S2FC] now employed with San Ace Silent Fan to provide best temperature/fan control circuit in the market today.  Today, we proudly presents 80 PLUS Silver Certified Power Supply Unit Seasonic M12D series.  To find out more about 80 PLUS, click here. (

The new Seasonic M12D series power supplies conform to RoHS, WEEE, EMC and major safety standards.  The M12D series offer consistent high performance with reliable quality features makes it the new standard for high range power output cable management power supplies in the industry today.  To find out more about RoHS, click here. (

Special 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.

Detachable Modular Cable
Flexible cable solution to reduce clutter.

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.

Product Information

1. AC input & DC output voltages ( 100~240V, 50/60Hz )

2. Wire Configuration

3. Total Protection
Over Voltage / Over Power / Short Circuit Protection
Total protection for your power supply, your system and yourself.

4. Operating Environment
Operating temperature: 0 to 50°C. Relative Humidity: 20% to 80%.
(The rated power will reduce from 100% to 80% from 40°C to 50°C)
Relative Humidity: 20% to 80%.

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