PS-3291-1DF Dell 290 Watts Power Supply For 9020 at discount

PS-3291-1DF Specifications

Delta 290W Switching Power Supply for Dell Systems

Manufacturer: Delta Electronics
Manufacturer Model: PS-3291-1DF
Product Type: Internal Power Supply Unit (PSU)
Compatible Systems: Dell OptiPlex, Precision, and select desktop/tower models
Product Line: Delta ATX Power Supply
Product Series: PS-3291 Series
KEY FEATURES:

Power Output: 290 Watts

Input Voltage: 100–240V AC, 50/60Hz (Auto-ranging)

Input Current: 5A–2.5A

Power Factor Correction (PFC): Active PFC

Efficiency: ≥85% typical
CONNECTORS:

24-Pin ATX Main Connector

4-Pin or 8-Pin CPU Power Connector

SATA Power Connectors

Peripheral (Molex) Connectors
PHYSICAL & DESIGN:

Form Factor: Standard ATX / Dell proprietary variant

Cooling: Internal temperature-controlled fan

Dimensions: Approx. 150 mm (W) × 86 mm (H) × 140 mm (D)

Weight: ~1.1 kg
PROTECTION FEATURES:

Over Voltage Protection (OVP)

Over Power Protection (OPP)

Over Current Protection (OCP)

Short Circuit Protection (SCP)
ENVIRONMENTAL:

Operating Temperature: 10°C to 50°C

Storage Temperature: -40°C to 70°C

Relative Humidity: 10–90%, non-condensing
RELIABILITY:

MTBF: Over 100,000 hours at full load and 25°C

Certifications: UL, CE, FCC, RoHS compliant
Product Name: Delta PS-3291-1DF 290W Internal Power Supply for Dell Desktop Systems