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).
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.
More Information
More Information
SKU
B12-BC-850
EAN
4711173876717
Specification
Cooling
Fan diameter
12 cm
Number of fans
1 fan(s)
Fan location
Top
Cooling type
Active
Performance
On/off switch
Yes
Power supply unit (PSU) form factor
ATX
80 PLUS certification
80 PLUS Bronze
Purpose
PC
Mean time between failures (MTBF)
100000 h
Certification
cTUVus, TUV, CB, CCC, BSMI, CE, FCC
Bearing technology
Sleeve
Harmonized System (HS) code
84733020
Design
80 PLUS certification
80 PLUS Bronze
Certification
cTUVus, TUV, CB, CCC, BSMI, CE, FCC
Product colour
Black
Fan diameter
12 cm
On/off switch
Yes
Number of fans
1 fan(s)
Fan location
Top
Cooling type
Active
Power
Total power
850 W
AC input voltage
100 - 240 V
AC input frequency
50 - 60 Hz
Input current
10 A
Combined power (+3.3V)
100 W
Combined power (+12V)
840 W
Combined power (+5V)
100 W
Combined power (-12V)
3.6 W
Combined power (+5Vsb)
12.5 W
Max output current (+3.3V)
15 A
Max output current (+12V)
70 A
Max output current (+5V)
15 A
Max output current (-12V)
0.3 A
Max output current (+5Vsb)
2.5 A
Power protection features
Over current, Over power, Over voltage, Short circuit
Ports & interfaces
Motherboard power cable length
55 cm
CPU power cable length
60 cm
Motherboard power connector
20+4 pin ATX
Number of SATA power connectors
6
Peripheral (Molex) power connectors (4-pin)
3
PCI Express power connectors (6+2 pin)
4
CPU power connector (4+4 pin)
Yes
PCI Express connector
Yes
ATX power connector (20+4 pin)
Yes
Cabling type
Non-Modular
EPS power connector (4+4 pin)
Yes
Operational conditions
Operating temperature (T-T)
0 - 50 °C
Weight & dimensions
Width
150 mm
Depth
140 mm
Height
86 mm
Technical details
Sustainability certificates
CE, ENERGY STAR, REACH, RoHS, WEEE
Certificates
80 PLUS certification
80 PLUS Bronze
Certification
cTUVus, TUV, CB, CCC, BSMI, CE, FCC
Logistics data
Harmonized System (HS) code
84733020
Other features
Harmonized System (HS) code
84733020
Manufacturer
Seasonic
Reviews
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Seasonic B12 BC power supply unit 850 W 20+4 pin ATX ATX Black