Product Details

A budget-friendly 300 W ATX non‑modular power supply, the PS‑300FK is part of 1STPLAYER’s FK series, designed for entry-level systems such as light gaming rigs, home PCs, or office builds.

Features & Build Quality

• Power Output: 300 W continuous capacity
• Efficiency: Approximately 85% typical efficiency, up to 90% at full load per manufacturer claims
• Circuit Design: Utilizes a double-forward circuit plus Active PFC
• Cooling: Equipped with a 120 mm hydraulic bearing fan for quiet airflow and improved longevity
• +12 V Rail: Delivers up to 90% of total power on the +12 V rail—critical for CPU/GPU stability
• Low Standby Power: Standby draw down to 0.5 W, aiding in energy efficiency

Safety & Protections

Built-in protective features include:

• UVP (Under-Voltage Protection)
• OVP (Over-Voltage Protection)
• OPP (Over-Power Protection)
• SCP (Short-Circuit Protection)
• OTP (Over-Temperature Protection)
• Lightning Protection

Certifications & Reliability

• Regulatory approvals: CE, FCC, C‑Tick, RoHS, CCC, IEC, and EAC. Some listings also mention cTUVus
• MTBF: Rated around 100,000 hours, indicating a certain level of reliability
• Warranty: Typically ranges from 2 to 5 years depending on vendor; most commonly found with a 3-year warranty

Physical Specifications

• Size: 140 × 150 × 86 mm (standard ATX form factor)
• Weight: Approx. 1.9 kg net, 2.4 kg gross
• Input Range: 100–240 VAC, 50–60 Hz, with up to 8–10 A current draw