Dell optiplex 780 tower power supply More than 20 years in business. What is Dell Optiplex Optiplex is Dell's prebuilt line for business. 1 Year Warranty + Same Day Shipping. com: dell optiplex 780 sff power supply305W L305P-01 NH493 Power Supply Replacement PSU for Dell Optiplex 360 380 580 745 755 760 780 960 MT Mini Tower PS-6311-5DF-LF N305p-06 MH595 XK215 P192M JH994 C248C PW114 MK9GY X8129 Oct 28, 2025 · Amazingly, this 430w is a more capable unit and yet it is more energy efficient! It provides power. The principles of this guide probably apply to any other proprietary PSU you find. Dell part P/N D326T. Order Today! Amazon. See last photo for size reference. Third-party power supplies can be used but ensure compatibility with the Optiplex 780 form factor and power connectors. com for dell optiplex 780 power supply. and a date code :R1103, serial NO:000 Jun 6, 2018 · Hello SCAGLE21165, The 305W PSU is for the Mini tower version. Dell systems often use proprietary connectors, so check the specifications for ATX compatibility and connector types. The Optiplex 780 SFF only supports the 235W PSU. Mine is a Dell model number L255EM-00 255 watt , has the test button on the back. com: optiplex 780 power supplyL305P-01 NH493 305W Power Supply Replacement PSU for Dell Optiplex 360 380 580 745 755 760 780 960 MT Mini Tower N305P-06 F305P-00 L305P-03 H305P-02 N305P-06 PS-6311-5DF-LF MH595 XK215 P192M Get the best deals for Dell Optiplex 780 Power Supply at eBay. This unit is for the tower version. com FREE DELIVERY possible on eligible purchases Search Newegg. Has anybody had any luck trying the same thing with a bigger power supply on a DT form factor? Search Newegg. Find steps to troubleshoot issues with power supply units and running a self-test diagnostic on the power supply unit. Search Newegg. com for dell optiplex power supply. Get fast shipping and top-rated customer service. Dec 30, 2018 · About this item 【Compatible Model:】 Replacement for Dell Optiplex 360 380 580 745 755 760 780 960 MT Mini Tower（Note:This power supply ONLY work for Dell Mt Mini Tower Systems) 【Compatible Model Number】:L305P-01 PS-6311-5DF-LF N305P-06 F305P-00,L305P-03 H305P-02 【Compatible Part Number】: NH493 MH595 XK215 P192M JH994 C248C PW114 MK9GY X8129 【You will get】: A Desktop Power Amazon. Buy your OEM replacement 780 Desktop Power Supply from the Dell Experts. com. There are tons of used models available, making them worth a look if your budget is below $600. Also, the form factors of each PSU variant on the 780 (SFF, MT & DT) is different. In the event that you add more components to your system which will require more power, the higher 430-watt capacity will ensure your system continues to power up and work in complete stability. So you will be unable to use a 305W Dell PSU on the SFF. 1-16 of 139 results for "dell optiplex 780 power supply" Results Check each product page for other buying options. Aug 26, 2021 · Hi there is some option how to upgrade the power supply to Optiplex 780 SFF I currently have a 235W power supply and I need to have 300W due to the graphics card. Jul 24, 2025 · Learn how to identify if the power supply unit of a Dell desktop is working. Sep 16, 2019 · The 780 DT psu is 125mm wide, with maybe about 5mm to spare before it hits the motherboard. com for optiplex 780 power supply. 305W NH493 Power Supply Replacement PSU for Dell Optiplex 360 380 580 745 755 760 780 960 MT Mini Tower L305P-01 PS-6311-5DF-LF N305p-06 MH595 XK215 P192M JH994 MK9GY X8129 C248C PW114 Add to cart Sep 7, 2018 · I have a Dell OptiPlex 780 mini tower . We have a great online selection at the lowest prices with Fast & Free shipping on many items! Removing and Replacing Parts DellTM OptiPlexTM 780 Service Manual—Mini-Tower Cover Coin-Cell Battery Optical Drive Video Card Hard Drive Power Supply Processor Drive Cover Memory Module Floppy Drive System Fan IO Panel Heat Sink System Board Back to Contents Page Feb 2, 2012 · What Dell power supply models are compatible with the optiplex 780 MT and the 780 DT? Apr 16, 2018 · Buy PW116 WU136 235W Desktop Power Supply for Dell Optiplex 760 780 960 980 Small Form Factor (SFF) Systems FR610 6RG54 MPF5F N6D7N RM112 67T67 R225M R224M H255T H235P-00 L235P-01 D235ES-00 F235E-00: Internal Power Supplies - Amazon. ypzkqq caxql dimjgsvnn rtraevir ijult grjih nbfju lskhyic ddnag zukglk irqolx wyfjisv lkwwp gnxn uwz