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CORE BC ATX 3.1
The Seasonic CORE BC Series delivers reliable performance and modern ATX 3.1 compliance at an essential value. Designed for everyday builders and gamers, it embodies Seasonic’s trusted quality in a compact 140 mm design with a durable scratch-resistant finish.

With 80 PLUS® Bronze efficiency, Smart and Silent Fan Control (S2FC), and a 120 mm HDB fan, it ensures cool, quiet, and stable operation. The CORE BC-750 and CORE BC-850 include a 12V-2×6 PCIe Gen 5.1 cable, ready for the latest GPUs, while the CORE BC-650 meets all ATX 3.1 requirements with traditional connectors.

Built on decades of engineering excellence, the CORE BC Series delivers the quiet efficiency, reliability, and durability that define every Seasonic power supply.


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.
80 PLUS® Bronze Certified

Warranty
5 Years

Cabling
Fixed Cables

140 mm (L) x 150 mm (W) x 86 mm (H)
Dimensions

ATX Specifications
ATX 3.1 and PCIe 5.1


Technical Specifications
80PLUS® Bronze
Cybenetics Efficiency Level TBA
Cybenetics Noise Level TBA
Form Factor ATX/EPS

Fan Information
Fan Size 120 mm
Fan Control S2FC
Fan Bearing Hydro Dynamic Bearing
Life Expectancy 40,000 hours at 40 °C, 15 % - 65 % RH

Cable Information
Modularity Fixed Cables
Cable type Individual Black Cables with Braided Pattern

Electrical Features
Operating Temperature 0 - 40 °C
MTBF @ 25 °C, excl. fan 100,000 hours
AC Input Full Range
Protection OCP, OPP, OTP, OVP, SCP, UVP

Safety and Environmental
Safety and EMC CE, CB, CCC, cTUVus, TUV, BSMI, EAC, UKCA
Environmental Compliance Energy Star, RoHS, REACH, WEEE, ErP Lot 6

Warranty 5 Years


Power Output
AC Input
100 V - 240 V
10 - 5 A
50 Hz - 60 Hz

DC Output
Rail/Maximum Power +3.3 V/20 A/100 W; +5 V/20 A/100 W; +12 V/62 A/744 W; -12 V/0.3 A/3.6 W; +5 VSB/2.5 A/12.5 W
Total continuous power 750 W