PS‑3181‑1DB Specifications
Dell 180 W Internal Power Supply (Small Form Factor)
Manufacturer: Dell
Manufacturer Model: PS‑3181‑1DB
Product Line: Dell Desktop Power Supplies
Product Series: 180 W SFF Module
Product Type: Internal Desktop/Small Form Factor Power Supply Unit
Product Name: Dell 180 W PSU
KEY FEATURES:
Power Capacity: 180 W
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Input Voltage: 100‑240 V AC, ~3.0 A, 50‑60 Hz
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Cooling: 1 Fan
Memory Clearance
Form Factor: Internal module for SFF desktop systems (approx dimensions 62 mm × 82 mm × 220 mm)
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Connectors: 8‑Pin and 4‑Pin output connectors
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PERFORMANCE:
+12 V A approx 12 A; +12 V B approx 14 A; +12 V SB approx 2.5 A
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Designed for desktop SFF systems such as OptiPlex 3040/5040/7040 and Inspiron 3650/3656
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ENVIRONMENTAL & RELIABILITY:
Desktop/Small Form Factor class reliability, wide‑input range for global regions
PHYSICAL:
Form Factor: Internal desktop/SFF power‑supply module
Typical Dimensions: ~62 mm × 82 mm × 220 mm
Cooling: Single internal fan

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