Seasonic 850W Power Supply (SS-850KM)

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The very first full modular multi-output ATX, high-wattage power supply that has ever obtained the 80PLUS Gold certification is introduced by Seasonic. This coveted power supply is named X and is offered in 850W.

Featuring an exclusive design of DC Connector Module with Integrated VRM, the X Series is set to achieve both near-perfect DC to DC conversion and fully modularized design without compromising efficiency. After a long wait, finally there is a product that delivers the complete package, ultra-high efficiency, greatly improved dynamic response, and customizable cable arrangement that is tailored to meet any individuals needs.


  • 80PLUS Gold Certified Super High Efficiency
  • Full Modular Cabling Design
  • DC to DC Converter Design
  • Seasonic Hybrid Silent Fan Control
  • Conductive Polymer Aluminum Solid Capacitors
  • High +12V Output
  • High Current Gold Plated Terminals
  • Multi-GPU Technologies Supported
  • All-in-One DC Cabling Design
  • Easy Swap Connector

Technical Details

  • Brand : Seasonic
  • Model : SS-850KM
  • Type : ATX12V v2.3 / EPS 12V v2.91
  • Maximum Power : 850W
  • Fans : 1 x Sanyo Denki Ball bearing fan
  • PFC : Active
  • Main Connector : 20+4Pin
  • +12V Rails : Single
  • PCI-Express Connector : 4 x 6+2-Pin
  • SATA Power Connector : 8
  • SLI : Ready
  • CrossFire : Ready
  • Modular : Yes
  • Energy-Efficient : 80 PLUS GOLD Certified
  • Input Voltage Full Range : 100 - 240V (Max. 90 - 264V)
  • Input Frequency Range : 50/60 Hz
  • Input Current : 10 - 5A
  • Output : +3.3V at 25A, +5V at 25A, +12V at 70A, -12V at 0.5A, +5Vsb at 3A
  • Approvals : CB, cTUVus, CCC, TUV, GOST-R, BSMI, CE, UKR, FCC, C-tick
  • Dimensions : 5.91 x 6.30 x 3.39 inch


  • M/B 24/20 Pin Connecter x 1
  • CPU 8/4 Pin x 1
  • CPU 8 Pin x 1
  • PCI-E 8/6 Pin x 4
  • Peripheral 4 Pin x 8
  • SATA x 8
  • Floppy x 2



Brand  Seasonic
Model  SS-850KM
Series  SS Series
Type  ATX12V V2.3 / EPS12V V2.91
Maximum Power  850W
Fans  1
PFC  Active
+12V Rails  Single
PCI-E Connectors  4 x 6+2Pin
Power Good Signal  100-500ms
Hold-up Time  >17ms
Efficiency  80%
Energy-Efficient  80 PLUS GOLD Certified
Over Voltage Protection  Yes
Input Voltage  100 - 240 V
Input Frequency Range  50/60 Hz
Input Current  10A
Approvals  CB, cTUVus, CCC, TUV, GOST-R, BSMI, CE, UKR, FCC, C-tick
Dimensions  5.91 x 6.30 x 3.39 inch


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Contact Information

Contact Chennai Branch

Cyber Space Abacus Pvt Ltd
E-28 , Ramaniyam Arcade, 5th Floor,
16th Cross St, Besant Nagar,
Chennai - 600090

Phone: 044-42110647, 09962302488


Working Hours: Monday-Saturday : 10:30am - 6:00pm
Sunday: Holiday

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Cyber Space Abacus Pvt Ltd
Building No 49, Anantesh Mahal,
Wilson Garden, Bangalore,
Karnataka - 560027.

Phone: 09962302488


Working Hours: Monday-Saturday : 10:30am - 6:00pm
Sunday: Holiday

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