Seasonic SSP-300TBS 300W TFX PSU 80 Plus Bronze Power Supply
80 PLUS Bronze | Compact TFX Form Factor | Active PFC | Reliable Everyday Power
Efficient, Reliable Power for Compact PC Systems
The Seasonic SSP-300TBS is a high-quality 300W TFX power supply designed for small form factor PCs, office desktops, industrial systems and compact workstation builds. Combining Seasonic's renowned reliability with 80 PLUS Bronze efficiency certification, it delivers stable, efficient power while helping to reduce energy consumption and operating costs.
Built to the TFX12V v2.31 specification, the SSP-300TBS features Active Power Factor Correction (PFC), intelligent low-noise cooling and comprehensive electrical protection, making it an ideal solution for compact systems requiring dependable long-term performance.
Key Features & Benefits
Reliable 300W Power Output
Designed for compact desktops and professional systems.
✔ 300W Continuous Power Output
✔ Stable Multi-Rail Power Delivery
✔ Suitable for Office PCs and Workstations
✔ Designed for Long-Term Reliability
Provides consistent power for everyday computing environments.
80 PLUS Bronze Efficiency
Reduce energy consumption while maintaining performance.
✔ 80 PLUS Bronze Certified
✔ Improved Energy Efficiency
✔ Reduced Heat Generation
✔ Lower Power Consumption
Helps keep systems running efficiently and quietly.
Compact TFX Form Factor
Ideal for space-constrained systems.
✔ TFX12V v2.31 Standard
✔ Small Form Factor Design
✔ Compatible with Many Slimline Cases
✔ Perfect for Compact Business PCs
An excellent choice for systems where standard ATX PSUs will not fit.
Active PFC Technology
Improves overall power efficiency and stability.
✔ Active Power Factor Correction
✔ Enhanced Electrical Performance
✔ Improved Power Delivery Stability
✔ Increased Efficiency Under Load
Ensures cleaner, more reliable power output.
Quiet Intelligent Cooling
Efficient thermal performance with reduced noise.
✔ 80mm Cooling Fan
✔ Intelligent Fan Speed Control
✔ Stable Thermal Performance
✔ Low-Noise Operation
Designed to balance cooling efficiency with acoustic comfort.
Comprehensive Protection Features
Protect your system and components from electrical issues.
✔ SCP (Short Circuit Protection)
✔ OVP (Over Voltage Protection)
✔ OPP (Over Power Protection)
✔ Enhanced System Safety
Provides peace of mind and dependable protection for connected hardware.
Technical Specifications
General
- Manufacturer: Seasonic
- Model: SSP-300TBS
- Form Factor: TFX
- Power Standard: TFX12V v2.31
- Colour: Silver
Power Output
- Total Power: 300W
- Efficiency Rating: 80 PLUS Bronze
- Active PFC: Yes
Input
- Voltage: 100-240V AC
- Frequency: 47-63Hz
Power Rails
- +3.3V: 20A
- +5V: 20A
- +12V1: 18A
- +12V2: 18A
- Combined +12V Output: 252W / 21A
- Combined +3.3V & +5V Output: 110W
- -12V: 0.8A
- +5VSB: 2A
Cooling
- 80mm Cooling Fan
- Intelligent Fan Control
Connectors
- 1 x 20+4 Pin ATX Motherboard Connector
- 1 x 4+4 Pin CPU Connector
- 3 x SATA Power Connectors
- 1 x 4-Pin Molex Connector
- 1 x Floppy Power Connector
Protection Features
- Short Circuit Protection (SCP)
- Over Voltage Protection (OVP)
- Over Power Protection (OPP)
Reliability
- MTBF: Over 100,000 Hours
Physical Dimensions
- 140 x 85 x 65mm
Cable Design
- Non-Modular Fixed Cables
Ideal For
- Small Form Factor PCs
- Business Desktops
- Industrial Computers
- Office Workstations
- Compact Home PCs
- System Integrators
- Replacement PSU Upgrades
- Space-Constrained Builds
Why Choose the Seasonic SSP-300TBS?
Seasonic has built its reputation on delivering reliable, high-quality power supplies, and the SSP-300TBS continues that tradition. Offering efficient 80 PLUS Bronze performance, stable power delivery and dependable protection features in a compact TFX form factor, it is an excellent choice for small system builds and professional desktop environments.
With Active PFC, intelligent cooling, multiple power connectors and proven long-term reliability, the SSP-300TBS provides everything needed to keep compact systems running efficiently and dependably. Whether you're replacing an existing power supply or building a new small form factor PC, this Seasonic unit offers outstanding quality and value.