OUT OF STOCK
30 Days Hassle-Free Returns

SHOP WITH CONFIDENCE

Feel 100% satisfied with your purchase -- with no restocking fees & no return shipping costs* within 30 days of delivery. Learn More
This item is currently out of stock and it may or may not be restocked.
Add To ListFound on 4 wish lists
Shipped by: Newegg
Sold by: Newegg
Newegg+
Enjoy Free Shipping, Exclusive Offers, Member-only Discount, and more with Newegg+ membership
Newegg PC Builder

Are you an E-Blast Insider?

Get Educated

Make informed decisions with expert advice. Learn More

SeaSonic M12II 850 SS-850AM 850W ATX12V / EPS12V SLI Ready 80 PLUS BRONZE Certified Full-Modular Active PFC FULL-modular Power Supply New 4th Gen CPU Certified Haswell Ready

  • ATX12V / EPS12V
  • Full-Modular
  • 80 PLUS BRONZE Certified
  • 100 - 240 V
  • +3.3V@25A, +5V@25A, +12V@70A, -12V@0.5A, +5VSB@3A
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
Overview
Specs
Reviews


SeaSonic M12II 850W Fully-Modular Power Supply

Seasonic M12II Bronze Series has been the ever-popular power supply series of the Full Modular category. Now Seasonic extends the Full-Modular series by introducing M12II Bronze 650/750/850 to provide consumers a larger selection in the entry level 80PLUS Bronze certified category.

The M12II Bronze new models have built in a full protection feature including OCP, OPP, OTP, OVP, SCP & UVP and meet worldwide safety and environmental standards. The all-new M12II-650/750/850 units are the new leaders in the 80 PLUS Bronze category and another great addition to the Seasonic Retail power supply family.


Features

SeaSonic M12II
  • DC to DC Converter Design
  • Highly Reliable 221°F (105°C) Japanese Brand Capacitors
  • Ample +12V Outputs
  • Active Power Factor Correction (99% PF Typical)
  • Smart & Silent Fan Control (S2FC)
  • 12cm Ball Bearing Cooling Fan
  • Soft-Mount Rubber Cushions
  • Multi-GPU Technologies Supported
  • Full Modular
  • Easy Swap Connectors
  • Universal Ventilation [Honeycomb Structure]
  • 5-Year Warranty

Product Information

1. Dimensions (L x W x H): 6.3 x 6 x 3.3 inches (160 x 150 x 86mm)


2. AC Input & DC Output Voltages - Full Range: 100 ~ 240V (Max 90 ~ 264V)

Model +3.3V +5V +12V -12V +5Vsb Total Power
M12II 850 Bronze 25A 25A 70A 0.5A 3A 850W
150W 840W 6W 15W

3. Wire Configuration

Cable SeaSonic M12II
20 / 24P Main Power
SeaSonic M12II
EPS12V / ATX12V (8P / 4P)
SeaSonic M12II
EPS 12V (8P)
SeaSonic M12II
PCI-E (6P / 8P)
SeaSonic M12II
SATA
SeaSonic M12II
Peripheral (4P)
SeaSonic M12II
FDD (4P)
M12II 850 Bronze 1 1 1 4 8 5 2

what's in the box

SeaSonic M12II

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Return Policies

LOADING...