Dell 7CR3P 460W ATX Power Supply Unit

For IT technicians and system builders servicing Dell OptiPlex, Precision, or XPS desktops, the Dell 7CR3P power supply delivers 460W of stable ATX power. It replaces failed or underpowered units in business workstations and tower servers, ensuring reliable operation in office and light industrial environments.

Key specifications

• Total power: 460 W
• Form factor: ATX
• Efficiency rating: 80 PLUS Bronze
• Main connector: 24-pin ATX (Dell proprietary pinout)
• CPU power connector: 8-pin EPS12V
• SATA power connectors: 4
• PCIe power connectors: 1x 6-pin
• Peripheral (Molex) connectors: 1
• Input voltage: 100-240 V AC
• Input frequency: 50/60 Hz
• PFC type: Active PFC
• Cooling: Active fan
• Protection: OVP, OPP, SCP
• +12V rails: Single

Why choose it

This unit is engineered for Dell systems, with a proprietary main connector that ensures a secure fit and correct pin mapping. Active PFC and 80 PLUS Bronze efficiency reduce energy waste and heat, while the single +12V rail delivers consistent power to modern components.

Ideal use cases

• Replacing a failed PSU in Dell OptiPlex 365W MT systems
• Upgrading a Dell Precision workstation for added headroom
• Servicing Dell XPS towers in corporate fleets
• Maintaining legacy Dell servers with ATX power requirements

Good to know

Because Dell uses a non-standard pinout on the 24-pin connector, this PSU is not compatible with standard ATX motherboards. Verify your system's power requirements and connector layout before installation.