CORE Series
CORE BC ATX 3.1
850 W
750 W
650 W
CORE BC – Power Made Simple
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.
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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
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Warranty
5 Years
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CablingFixed Cables
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140 mm (L) x 150 mm (W) x 86 mm (H)Dimensions
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ATX Specifications
ATX 3.1 and PCIe 5.1
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80 PLUS® Bronze Certified
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. -
5 Years
Warranty -
Fixed Cables
Cabling -
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H) -
ATX 3.1 and PCIe 5.1
ATX Specifications
-
80 PLUS® Bronze Certified
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. -
5 Years
Warranty -
Fixed Cables
Cabling -
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H) -
ATX 3.1 and PCIe 5.1
ATX Specifications
80 PLUS® Bronze Certified
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.
5 Years
Warranty
Fixed Cables
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 3.1 and PCIe 5.1
ATX Specifications
80 PLUS® Bronze Certified
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.
5 Years
Warranty
Fixed Cables
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 3.1 and PCIe 5.1
ATX Specifications
80 PLUS® Bronze Certified
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.
5 Years
Warranty
Fixed Cables
Cabling
Dimensions
140 mm (L) x 150 mm (W) x 86 mm (H)
ATX 3.1 and PCIe 5.1
ATX Specifications
CORE BC ATX 3.1 Unboxing
Next-Gen and Legacy GPU Cable
Includes native 12V-2x6 and 2× 8-pin cables for maximum compatibility
Optimized for PCIe 5.1 GPUs
The CORE BC ATX 3.1 power supply features a native 12V-2x6 cable designed for the latest PCIe 5.1 graphics cards. With support for up to 600 W of power delivery, this cable ensures safe and stable performance for NVIDIA RTX 40 and 50 Series and future high-end GPUs. Enjoy a clean, efficient setup that’s fully compliant with ATX 3.1 and PCIe 5.1 standards.
Fully compliant with PCIe 5.1 and ATX 3.1 standards
Up to 600W of power
The CORE BC-650 complies with ATX 3.1 specifications but is supplied with traditional PCIe connectors instead of a 12V-2x6 cable.
Full Support for Legacy GPUs
To ensure compatibility with older GPUs, the CORE BC ATX 3.1 includes a 2× 8-pin PCIe cable. It delivers reliable power up and works seamlessly with graphics cards from previous generations. This cable makes it easy to upgrade your PSU without changing your GPU—perfect for users who want next-gen power with legacy support.
Ideal for graphics cards from previous generations
Easy to install for users upgrading from older systems
S2FC - Intelligent Fan Control Technology
The Smart and Silent Fan Control (S2FC) system intelligently regulates the power supply’s fan speed to achieve the ideal balance between cooling efficiency and silent operation. By dynamically adjusting the fan curve according to temperature, it ensures that your system remains quiet during low-to-medium usage and effectively cooled when performance demands increase.
Gallery
850 W
750 W
650 W
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Specifications
850 W
750 W
650 W
| 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 | |||||
| 11 - 5.5 A | ||||||
| 50 Hz - 60 Hz | ||||||
| DC Output | Rail | +3.3 V | +5 V | +12 V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 70 A | 0.3 A | 2.5 A | |
| 100 W | 840 W | 3.6 W | 12.5 W | |||
| Total continuous power | 850W | |||||
| 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 | +3.3 V | +5 V | +12 V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 62 A | 0.3 A | 2.5 A | |
| 100 W | 744 W | 3.6 W | 12.5 W | |||
| Total continuous power | 750W | |||||
| 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 | |||||
| 9 - 4.5 A | ||||||
| 50 Hz - 60 Hz | ||||||
| DC Output | Rail | +3.3 V | +5 V | +12 V | -12 V | +5 Vsb |
| Maximum Power | 20 A | 20 A | 54 A | 0.3 A | 2.5 A | |
| 100 W | 648 W | 3.6 W | 12.5 W | |||
| Total continuous power | 650W | |||||
Specifications may change without prior notice.
Cables
850 W
750 W
650 W
550 mm
MB (24/20 pins)
1 connector
1 cable
Attached
600 mm
CPU (8/4 pins)
2 connectors
1 cable
Attached
550 mm
PCIe (8/6 pins)
1 connector
1 cable
Attached
550 mm
PCIe (8/6 pins)
2 connectors
1 cable
Attached
600 mm
12V-2x6
1 connector
1 cable
Attached
600 mm
SATA / Molex
3 connectors
1 cable
Attached
550 mm
MB (24/20 pins)
1 connector
1 cable
Attached
600 mm
CPU (8/4 pins)
2 connectors
1 cable
Attached
550 mm
PCIe (8/6 pins)
2 connectors
1 cable
Attached
600 mm
12V-2x6
1 connector
1 cable
Attached
600 mm
SATA / Molex
3 connectors
1 cable
Attached
550 mm
MB (24/20 pins)
1 connector
1 cable
Attached
600 mm
CPU (8/4 pins)
2 connectors
1 cable
Attached
550 mm
PCIe (8/6 pins)
2 connectors
1 cable
Attached
600 mm
SATA / Molex
3 connectors
1 cable
Attached
650 W model meets ATX 3.1 requirements using standard PCIe 8-pin connectors (instead of 12V-2×6).
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Datasheet
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Quick Installation Guide
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User Manual
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RoHS Form
Specifications may change without prior notice.
