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Buy now and get free upgrade to 550-Watt version with blue LED fanNEW550-Watt TUV Safety Certified Upgrade Power Supply for
Dell XPS 400 410 420 430 Tower PC
Cable Management Tie-Wraps & Black Installation Screws, included.This is a high quality 500-watt computer power supply certified by UL/TUV for safety. It is designed to be a quiet, reliable, and safe work-horse PSU for virtually all desktop PC configurations. This is a power supply you can trust that won't reset, freeze, or shut-down randomly. It is even designed to operate with stability when A/C voltage fluctuates. This power supply unit meets or exceeds original OEM specifications and is a great replacement for your name brand system.

• Quiet Operation

• Short-circuit, over-voltage and over-current protection

• High standard of quality with official UL/TUV/CE/FCC approval

• Smart fan which automatically spin up in speed when internal temperature is elevated. To ensure quiet operation, fan speed is gradually lowered when temperature is lowered.

• Supports video card that requires a single or dual PCIe power connectors. (either 6pin or 8pin)
  

• Optimized cooling design

ConnectorsDetails

(1) 24pin Main Power Connector
(sub module detachable to support 20pin board)
(1) 8pin Motherboard 12V Power Connector
(sub module detachable to support standard 4pin 12V board)
(2) 6+2 PCI-E Power Connector, supports 6pin or 8pin PCI-E graphic card
(5) SATA power connectors (on 2 separate line of cables for unrestricted reach)
(1) Floppy Drive Power Connector
(2) Molex Peripheral Power Connectors
Original version's wiring NEW Better Mechanical Design:

Large120mm fan draws massive amount of hot air in from the CPU into thepower supply and exit out to the back of the PC system. Since thefan is situation inside the system, and not at the back of the PCsystem, audible fan noise is greatly reduced.
Round Fan Guard for Improved Airflow: With the circular tube design, the fan-guard will generate less drag and increase overall airflow.
Bonus: 4pcs new factory sealed SATA III 6Gb/s data cables (see last picture)


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