Power supply Units

Main Specifications

• Model: PowerMan IP‑S300EQ3‑2H (300 W ATX PSU)

• Rated Power Output: 300 W continuous power

• Form Factor: Standard ATX power supply (fits most desktop PC cases)

• Efficiency: 80 PLUS Bronze / Energy Star certified (energy‑efficient and lower power loss)

• PFC (Power Factor Correction): Active PFC for improved efficiency and stable power delivery

• Input Voltage: AC 115 V / 230 V autoranging (50/60 Hz standard)

• Cooling: 120 mm cooling fan for temperature control and quieter operation

🔌 DC Output (Typical)

(Actual outputs depend on load but generally around these values)

• +3.3 V: ~21 A

• +5 V: ~15 A

• +12 V: Multiple +12 V rails totaling significant current for system components

• –12 V: ~0.3 A

• +5 V Standby: ~2.5 A

🔌 Common Connectors

• 1 × 24‑pin ATX main motherboard connector

• 1 × 4+4‑pin (8‑pin) CPU power connector

• 3 × SATA power connectors

• Molex (peripheral) power connectors

Typical Specification (450 W ATX PSU – Generic Reference)

• Form Factor: ATX 12V (standard desktop PSU)

• Rated Power: 450 W total output (DC power for components)

• AC Input: 100–240 V AC, 50–60 Hz (autoranging)

• Efficiency: ~70 %+ typical (generic/entry PSU)

• Cooling: Built‑in fan for airflow

• Protections: Over‑Voltage (OVP), Over‑Current (OCP), Short‑Circuit (SCP), Over‑Power (OPP), etc.

• Connectors:

  • 1 × 20/24‑pin ATX main power

  • 1 × CPU 4‑pin or 4+4‑pin 12 V power

  • SATA power connectors for HDD/SSD

  • Molex peripheral connectors

  • Possibly floppy (FDD) connector

• Typical Outputs (example split):

  • +12 V: Majority of power (used by CPU/GPU)

  • +5 V & +3.3 V: For logic and drives

• Dimensions: Standard ATX size (approx. 150 × 86 × 140 mm)

Thermaltake LitePower 350W PSU — Key Specifications

✔️ Power & Form Factor

• Rated Power Output: 350 W total DC power capacity for desktop PCs.

• Form Factor: ATX 12V v2.3 standard — fits most ATX desktop cases.

• Color: Black casing.

🧠 Electrical & Performance

• Active Power Factor Correction (PFC): Yes (improves efficiency and stability).

• AC Input: ~230 V, 50 – 60 Hz (some versions support 110 – 240 V).

• Hold‑Up Time: >16 ms.

• Power‑Good Signal: 100 – 500 ms.

• MTBF: ≥100,000 hours reliability.

🔧 Cooling & Dimensions

• Cooling: 120 mm quiet cooling fan for airflow and heat dissipation.

• Dimensions: Approximately 150 mm × 86 mm × 140 mm.

🔌 Connectors

• 1 × 24‑pin ATX motherboard power connector.

• 1 × 4+4‑pin ATX12V CPU connector.

• 3 × SATA power connectors for SSD/HDD.

• 3 × Molex (peripheral) connectors.

• 1 × Floppy power connector.

📊 DC Output (Typical for 350 W Units)

(Exact values vary slightly by SKU, but generally follow this rail design pattern):

• +12 V Rail: ~26 A (≈312 W combined) — main power for CPU, GPU, fans.

• +3.3 V: ~16 A (~90 W).

• +5 V: ~13 A (~65 W).

• +5 Vsb: ~2.5 A (standby).

• –12 V: ~0.5 A.