PH333 Specifications
Dell 305W Power Supply Unit
Manufacturer: Dell
Manufacturer Model: PH333 (also listed as 0PH333)
Product Line: Dell OptiPlex / Dimension Desktop
Product Series: Desktop Power Supply Unit
Product Type: Internal Power Supply Unit (PSU)
Product Name: Dell 305W Desktop PSU
KEY FEATURES:
Maximum Output: 305 Watts
Input Voltage: 100‑120 V AC
Form Factor: ATX internal desktop PSU
Output Rails: Not explicitly specified
Compatibility: Desktop systems such as OptiPlex GX520, GX620, Dimension E521
Features Supported: Rear internal mount PSU module, standard desktop form factor
PERFORMANCE:
Maximum DC Output: 305 W
Efficiency: Not explicitly specified
Power Delivery: Designed for stable desktop system supply
Redundancy: Not applicable (single module design)
ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: Not explicitly specified
Storage Temperature Range: Not explicitly specified
Operating Humidity: Not explicitly specified
Shock Resistance: Not explicitly specified
Vibration Resistance: Not explicitly specified
PHYSICAL:
Dimensions (W x D x H): 6″ × 5.5″ × 3 7/8″ (approximate)
Weight: Not explicitly specified
Color: Standard Dell Black

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