Power Age PS-300S ATX Power Supply 300W 20-Pin P4 Pentium 4 AMD Athlon PSU PC

Condition: Used — untested. Light to moderate cosmetic wear from prior use (scuffs, scratches, dust). Sold as-is for parts or repair. See photos for exact condition.

Brand/Model: Power Age PS-300S

Part No: P50-PA-03000WP4

Total Output: 300W (as labeled on unit)

Input: 115/230V, 50/60Hz with manual voltage selector switch

Outputs/Rails: +3.3V, +5V, +12V, -5V, -12V, +5VSB (see label photo for current ratings)

Connectors: 20-pin ATX main power, 4-pin ATX12V (P4), multiple 4-pin Molex peripheral, and floppy/Berg connector (as pictured)

Features: Rear 80mm exhaust fan, IEC C14 power inlet, on/off rocker switch, 115/230V selector

Compatibility notes on unit: "Support Intel Pentium 4" and "Support AMD Athlon"

Compliance/Markings: UL Recognized (E189610) per label

Color/Finish: Gray steel ATX chassis

Great for retro PC builds that require a 20-pin ATX and 4-pin P4 12V connector (verify fitment for your system)

Included: Power supply with attached cable harness only — no power cord, screws, or other accessories