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Rectangular metal ATX power supply unit with matte black finish, rear fan grille, and cable bundle emerging from side

BFG Technologies

BFG Technologies LS-680 680W power supply

SKU CH-8KVC-EMX9T MPN LS-680

ATX12V 2.2 / EPS12V 2.8 unit delivers 680W continuous at 40°C with four +12V rails, SLI certification and 80 PLUS efficiency up to 85%

  • TypeATX12V 2.2 / EPS12V 2.8
  • Maximum Power680W Continuous @ 40°C
  • Fans1 x 135mm Thermal Controlled Fan
  • PFCActive
  • Main Connector20+4Pin
  • +12V Rails4
  • Delivers 680W continuous power at 40°C for stable high-load operation
  • Four +12V rails each rated at 20A distribute current evenly across components
  • Up to 85% efficiency at full and typical load reduces wasted energy
  • 80 PLUS certified efficiency meets recognised energy-saving standards
  • Thermal-controlled 135mm fan adjusts speed to load for quieter cooling

680 W continuous ATX power supply

The BFG Tech LS-680 delivers 680 W of continuous DC power at 40 °C. It follows the ATX12V 2.2 and EPS12V 2.8 specifications and carries 80 PLUS certification with up to 85 % efficiency. A single 135 mm thermal-controlled fan adjusts speed to load. Four +12 V rails each provide up to 20 A, while the +3.3 V and +5 V rails supply 24 A and 30 A respectively.

Multi-GPU desktop builds needing native PCIe power

This unit suits builders running two graphics cards because it includes two 6-pin and two 6+2-pin PCIe connectors, removing the need for adapters. SLI certification and CrossFire readiness confirm multi-GPU support. Active PFC and full protection circuits (over-voltage, overload) add stability for high-draw systems. It is not for compact cases that cannot fit a standard ATX power supply, nor for builds that require more than four +12 V rails or higher per-rail current than 20 A.

Four +12 V rails at 20 A each

The four +12 V rails are each rated at 20 A, which determines how much current is available for CPU and graphics power phases. If your components demand more than 20 A on any single +12 V rail, this supply will not meet that requirement.

Highlights

  • Delivers 680W continuous power at 40°C for stable high-load operation
  • Four +12V rails each rated at 20A distribute current evenly across components
  • Up to 85% efficiency at full and typical load reduces wasted energy
  • 80 PLUS certified efficiency meets recognised energy-saving standards
  • Thermal-controlled 135mm fan adjusts speed to load for quieter cooling

Specifications

BrandBFG Tech
SeriesLS SERIES
ModelLS-680
TypeATX12V 2.2 / EPS12V 2.8
Maximum Power680W Continuous @ 40°C
Fans1 x 135mm Thermal Controlled Fan
PFCActive
Main Connector20+4Pin
+12V Rails4
PCI-Express Connector2 x 6-Pin, 2 x 6+2-Pin
SLISLI Certified
CrossFireCrossFire Ready
EfficiencyUp to 85% @ Full & Typical Load
Energy-Efficient80 PLUS Certified
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current8.5 / 3.5A
Output+3.3V@24A,+5V@30A,+12V1@20A,+12V2@20A,+12V3@20A,+12V4@20A, [email protected] , [email protected]
ApprovalsUL, CB, TUV, CD, FCC
Connectors1 x Main connector (20+4Pin)
1 x 12V(4+4Pin)
6 x peripheral
8 x SATA
2 x Floppy
4 x PCI-E
FeaturesUltra Quiet Thermal Controlled 135mm Fan
Sleeved Cabling
Active PFC: Inceases Power Factor & Reduces Distortion
Four Independent +12VDC Outputs
ATX 20+4Pin Main Connector
ATX12V / EPS12V CPU 4+4Pin
1 x PCI Express Power 6Pin
1 x PCI Express Power 6+2Pin
High Efficiency Design - 80 PLUS Certified
Part Number: BFGR680WLSPSU
Dimensions3.4" x 6" x 6.4"
Shipping weight2.63 kg
Package size265 × 202 × 100 mm

Questions about this item

Will this unit deliver its full 680W rating inside a warm case?

Yes, the 680W figure is rated for continuous operation at 40°C, not just at room temperature.

Can I run two high-end graphics cards without adapters?

The supply includes two 6-pin and two 6+2-pin PCIe connectors, enough for a dual-card SLI or CrossFire setup.

What does the 80 PLUS certification mean for my electricity bill?

It guarantees at least 80% efficiency at typical loads, rising to 85% at full load, so less power is wasted as heat.

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