4R1KT Specifications
Dell 180 W Internal Power Supply (SFF/Desktop)
Manufacturer: Dell
Manufacturer Model: 4R1KT
Product Line: Dell Internal Power Supplies
Product Series: 180 W Module
Product Type: Internal Power Supply Unit (Small Form Factor/Desktop)
Product Name: Dell 180 W PSU for OptiPlex & Inspiron systems
KEY FEATURES:
Power Capacity: 180 W
Input Voltage: 100–240 V AC, ~3.0 A, 50–60 Hz
Connectors: 8‑Pin + 4‑Pin output
Form Factor: Internal Small Form Factor module (approx. 62 mm × 82 mm × 220 mm)
PERFORMANCE:
+12 V A rail: ~12 A; +12 V B rail: ~14 A; +12 V SB rail: ~2.5 A
Designed for compatibility with Dell OptiPlex 3040 / 5040 / 7040 SFF and Inspiron 3650 / 3656 desktop systems
ENVIRONMENTAL & RELIABILITY:
Desktop/Small Form Factor class reliability; wide‑input range supports global use
PHYSICAL:
Form Factor: Internal PSU module for desktop/SFF chassis
Typical Dimensions: ~62 mm × 82 mm × 220 mm
Cooling: Single internal fan

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