Amazon.com: 875W Dell Power Supply for Dell Precision T5400 N875E-00 GM869 (Certified Refurbished) : Electronics
Refurbished: DELL Desktop Computer Precision T5400 Intel Xeon E5405 (2.00GHz) 4GB DDR2 500GB HDD Windows 10 Pro Multi-Language, English / Spanish - Newegg.com
Dell RW203 System Board for Precision T5400
Dell Precision T5400 System Board | RW203 - Serverworlds
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YN642 0YN642 CN-0YN642 875W For Dell Precision T5400 Power Supply H875E-00 - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.