Brand: Seasonic · SKU: SS-300SFD · MPN: SS-300SFD · Category: Components
A blend of performance and quality, the Seasonic SS-300SFD SFX power supply is a great choice for ultra-compact PCs or other small form factor systems. It is 80 PLUS certified for better usage of every watt of input AC power, offering high efficiency and reliability, low ripple & noise, and super low noise fan control. It features a forward converter circuit and robust protection circuits including short circuit protection on all outputs, over voltage protection, and over power protection. The unit undergoes 100% hi-pot testing and 100% burn-in with high temperature cycling on/off. This OEM Seasonic Power Supply does not come with a power cord and needs to be bundled separately. The output rails are: +3.3V @ 20A, +5V @ 20A (125W combined max), +12V @ 22.5A (270W total on 12V rail), -12V @ 0.8A, and +5Vsb @ 2A, for a total power of 300W. It complies with the SFX 12V v3.1 specification.
| Connectors | 1x 20/24pin Main, 1x 4pin 12V CPU, SATA, HDD, FDD |
|---|---|
| Form Factor | SFX |
| Total Power | 300 W |
| Input Voltage | 100~240 V |
| Cooling System | 1x 80mm Double Ball Bearing Fan |
| EMC Certifications | CE, FCC |
| Input Frequency Range | 50/60 Hz |
| Safety Certifications | CUL, TUV, CB, CCC, BSMI |
| Power Factor Correction | Active PFC, 99% typical |
| Efficiency Certification | 80 PLUS (Bronze mentioned on one site) |
| Warranty | 1 Year (Return/Replacement) or 3 years limited (Parts and Labor) |
| Weight | N/A |
| Dimensions | 4.9 x 3.9 x 3.0 inch / 125.0 x 100.0 x 76.5 mm |
Seasonic SS-300SFD is a 300W SFX power supply compliant with SFX12V v3.1, featuring 80 PLUS efficiency, Active PFC, and robust protections for small form factor PCs.
Yes, this Seasonic SS-300SFD 300W 80PLUS SFX 12V v3.1 Power Supply (SS-300SFD) is 100% genuine Seasonic hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Seasonic SS-300SFD 300W 80PLUS SFX 12V v3.1 Power Supply includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SS-300SFD.