Platimax 850 Watt Modular Power Supply

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  • 89PLUS ready!
    World’s leading modular cable PSU series with 89-94% efficiency @ 20-100% load. Compliant with 80PLUS® PLATINUM efficiency requirement.
  • ErP Lot 6 ready!
    Help system to meet ErP Lot 6 2013 ( < 0.5W at standby mode) with high efficiency +5Vsb circuitry.*
    * Required for ErP Lot 6 2013 compliant systems.
  • NVIDIA® SLI® certified!
    nVidia® SLI® certified. (ENERMAX Platimax 850W, EPM850EWT, NVIDIA, SLI are registered trademarks or trademarks of NVIDIA Corporation.)
  • C6 & Hybrid ready!
    Maximum compatibility with C6 & hybrid states of current and future CPU & GPU generations by ZERO LOAD design.
  • DXXI ready!
    100% 6+2P (8P) PCI-E connector to support new generation DXXI graphic cards.
  • Future ready!
    12P modular design for possibly upcoming new CPU and GPU 10P and/or 12P connectors.
  • SERVER ready!
    SSI PSDG support for latest Intel® Core™ Extreme/i7/i5/i3, Xeon™ and AMD® Opteron™ and SLI® or CrossFireX™ and downward compatible with EPS12V v2.92, v2.8.
  • World ready!
    100-240VAC in with automatic adjustment and active PFC for global usage.
  • 24/7 @ 50°C ready!
    Non-Stop industrial class performance at 50°C ambient.
  • EMC ready!
    Full-scale electromagnetic filtering protects your system against radiation interferences.
  • CordGuard
    Fixing the AC cord tightly to avoid accidental shutdowns of your PC.
  • HeatGuard
    Keeping PSU fan running for 30-60 seconds after shut down to dissipate the remaining system heat and prolonging system lifetime.
  • SafeGuard
    Industry-leading multiple protection circuitry of OCP, OVP, UVP, OPP, OTP, SCP & SIP.
  • SpeedGuard
    Advanced fuzzy logic fan speed control for optimal cooling and minimum noise. (Patented).
  • Twister fan inside!
    13.9cm Twister-bearing fan with low noise and long lifetime. (100,000 hours MTBF, Patented)
  • 100% 105℃ Japanese electrolytic capacitors
    Highest components standards for maximum durability and stability.
  • Dynamic Hybrid Transformer Topology
    Technological breakthrough topology using a staged dynamic transformer array for extremely high efficiency with the most durable and stable output at any load.

89PLUS ready!

  Server System @ 850W load Annual KWh*2 Annual KWh wasted Annual Money wasted*3 Annual CO2 wasted*4
Efficiency*1 AC Draw (W) *2
Platimax 850W 92% 923.9 8093.5 - - -
Other ~82% 850W 82% 1036.6 9080.5 987 $148.2/€217.1 611.9kg
Other ~80% 850W 80% 1062.5 9307.5 1214 $182.2/€267.1 752.7kg
  • *1:Based on 230VAC input power. Figures might vary by system configuration and loading.
  • *2:Annual KWh is estimated based on 24 hours a day, 365 days a year runtime. Formula: AC Draw(W) x 24(hrs) x 365(days) / 1000
  • *3:1KWh= $0.1501 (California) / €0.22(Germany)/ Fare might vary by countries and regional providers.
  • *4:Calculation based on 1KWh= 0.62kg CO2. Figures might vary by countries.

ErP Lot 6 2013 ready!

Advanced +5Vsb circuitry with up to 20% improved efficiency in comparison to generic designs helps your system meet ErP Lot 6 2013 ( AC < 0.5W at standby) requirement.

*With ErP Lot 6 2013 enabled motherboard.


24/7 @ 50°C ready!

Non-stop industrial-class performance at 50°C ambient.



Industry-leading multiple protection circuitry of OCP, OVP, UVP, OPP, OTP, SCP & SIP.


Twister Bearing Fan

  1. Minimal contact area for effective noise reduction
  2. Rotor with integrated magnet for frictionless and smooth motion
  3. Self-lubricating bearing material abrasion protection for longer lifetime


After shutdown, HeatGuard will keep PSU fan running for 30-60 seconds to dissipate the remaining system heat and prolong lifetime.

Mainboard 24 Pin 1
[ 1x 55cm ]
CPU 8 Pin + CPU 4+4 Pin 1 + 1
[ 1x 60cm ]
PCI-E 6+2 Pin (8 Pin) 4
[ 4x 50cm ]
[ 2x 45/15/15/15cm ]
2xSATA+2x4 Pin Molex 4 + 4
[ 2x 45/15/15/15cm ]
4x4 Pin Molex +FDD 4 + 1
[ 1x 45/ 15/ 15/ 15/15cm ]

For users that are looking to put in high end, power demanding GPU card, please connect 6 / 6+2P PCI-E connector(s) from your ENERMAX power supply to them correctly. This will prevent motherboard overloading and possibly cause damage to your system including your ENERMAX power supply. Once this occurs, it will be treated as improper system configuration and any damage on the power supply as a result of it, will not be covered under ENERMAX manufacturer’s warranty. Please refer to your motherboard & GPU card’s user manual to configure your system properly to prevent motherboard overloading damage to your system and your power supply.

Either sleeved or flat type modular cables in the box are all compatible with your newly purchased power supply. Please only use the modular cables provided in your ENERMAX power supply package. Do NOT use other modular cables to prevent pin configuration damage to your system and your power supply.

Info for DC connector’s rated current: The safety current is 6A per single DC wire. Please be noted that overloading could cause the connector or wire meltdown and could void the warranty.

80 PLUS Efficiency PLATINUM
Modular Full modular
Cable type Black flat
Total power (W) 850
Input Voltage (V) 100-240
Input Current (A) 11-5
Input Frequency (Hz) 50-60
Fan size (mm) 139
Operating temperature (°C) 50
MTBF (hours) >100K
Protection OCP, OVP, UVP, OPP, OTP, SCP, SIP
Dimension (D x W x H), (mm) 175 x 150 x 86
+3.3V(A) 24
+5V(A) 24
+12V1(A) 30
+12V2(A) 30
+12V3(A) 30
+12V4(A) 30
-12V(A) 0.5
+5Vsb(A) 3
Combined Wattage 12V (W) 840
Combined Wattage 3.3V + 5V(W) 120