Seasonic B12 850W 80+ Bronze Wired Power Supply

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B12 850W Wired Power Supply from Seasonic
B12 PSU

WITH 80 PLUS BRONZE CERTIFICATION

The B12 BC Series is available in the standard ATX Form Factor and in wattages that are most common for a PC system. The Seasonic B12 BC achieves 80 PLUS® Bronze standard of providing at least 82 %, 85 % and 82 % power usage efficiency at 20 %, 50 % and 100 % operating loads, respectively. This efficiency, combined with Active Power Factor Correction, enables the B12 BC series power supplies to lessen energy waste, which translates into savings on the costs of energy costs for its users. In addition to being greatly efficient, the B12 BC units utilize the LLC resonant converter design, and the industry’s leading Smart and Silent Fan Control (S2FC).

Made with Efficiency in Mind

80 plus bronze

80 PLUS® BRONZE

The 80 PLUS® Bronze certification indicates that a high percentage of the electricity is converted into useful power, therefore there is less heat lost and more money saved on the electricity bill. The 80 PLUS® Bronze certification guarantees greater than 82 %, 85 % and 82 % efficiency at 20 %, 50 % and 100 % operating loads, respectively. Sea Sonic’s B12 BC Series is an economical choice with great performance and high built-in value.

Super-Quiet Operation

fan control

S²FC - SMART AND SILENT FAN CONTROL

The intelligent thermal circuit feature is designed to find the optimal balance between the necessity to cool the components and the need to run the power supply in the most silent manner possible.

Specifications
Size ATX
Edition B12 BC
Wattage 850 W
80 PLUS Certification 80 PLUS Bronze
Max. Efficiency (at 230Vac) 85 %
Cooling Fan
Fans 1 x 120mm
Internal +12V Rails Single Rail
Rail 1 +12V 70 A
Rail 2 +12V N/A
Rail 3 +12V N/A
Rail 4 +12V N/A
Rail 5 +12V N/A
Rail 6 +12V N/A
Max. Combined Output +12V 70 A
Modular No
Modularity Fully Wired
SLI/CrossFire No
EPS 12V Yes
Motherboard Connector 20+4-pin
Connectors
  • 3 x 4-pin Molex
  • 4 x 6+2-pin PCIe
  • 2 x 8-pin CPU +12V (EPS)
  • 6 x SATA
Dimensions 150 x 86 x 140 (WxHxD)
Package Type Retail