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Dell Power Supply NH493 Optiplex 745 755 760 MT

(43) Write a Review

XK376, XK215, C248C, MK9GY, P192M, T553C, JH994, N238P, T3JNM, PF3TR, MH495, PJFXN, R480P, GK929, P670F.

This is an original genuine OEM Dell power supply. This is the only replacement power supply that will work with your Dell .

All Discount Electronics power supplies are tested by our in house technicians and they are guaranteed to function properly.

Our extended testing process is designed to assure the units have the lowest possible probability of both short term and long term failure. We take great pride in our ability to provide a superior product at an unbelievable price and with our 23 years of experience in testing and repair of OEM Dell power supplies you can buy with confidence.
You are looking at a fully tested & refurbished Dell power supply.

This Power Supply Unit has the following connectors:
1x ATX Mainboard (20/24 pin)
1x 12V P4 Connector
1x 4 PIN Floppy Drive Connector
4x SATA Connectors

Dell Dimension E310, E510, E520, E521.

Dell OptiPlex 320, 330, 740, 745, 755.

Dell Optiplex 745 760 755 740 Tower Power Supply L305P-01 N305P-06 C248C NH493
This product is compatible with the following Dell part numbers: PH333, M360M, WU133, PW114, NH493, CY827,

Bad power supply got you down? We're here to bring you back to life! All parts sold by have been fully tested and carry a 90 Day Warranty. has been offering the best service in the industry since 1997.

If you have any questions, our internet sales team's phone number is 512-459-0146 and we are in house from 9AM to 5PM CST Monday through Friday.


SKU: PS-E520

43 Reviews

  • 5
    clean, well packaged, works like it should

    Posted by Robert M Whitesell on Jun 18, 2019

    would buy again

  • 5
    recent purchase

    Posted by John on Jun 18, 2019

    Worked like a charm ! good packaging and prompt delivery

  • 5
    Dell Power Supply NH493 Optiplex 745 755 760 MT

    Posted by Joe on Apr 06, 2019

    Available and fast delivery. Easy replacement on an old machine.

  • 4
    Review of Dell PS

    Posted by Cordell on Jul 03, 2017

    Received in good order. Was well packed with plenty of bubble wrap. So far so good. Will let you know as time goes by... BTW I have the old PS Optiplex 755 and another dead one from another Dell Dimension E521- would you be interested? Could ship to you if you want maybe for some credit?? Thanks for the great service!

  • 5

    Posted by myles standish on Feb 21, 2016

    Arrived quickly, and as promised. I'm a happy customer. Thanks

  • 5

    Posted by Srinivas Maddali on Jan 24, 2016

    ordered for PSU and it came well packed and installed that in no time and my wife did not believe our CPU (desktop) as there was no sound produced while coming up and in working processes.

    Thanks for that great product.

    Srinivas Maddali

  • 5

    Posted by Samuel Buzzinotti on Jan 14, 2016

    Product was in stock and delivered just as advertised...great service here...happy camper...needed one of the 3 I ordered the day after I got them...thanks guys!

  • 5

    Posted by cheryl summers on Jan 13, 2016

    Good product, good price, good service!

  • 5

    Posted by Steve Greene on Jan 13, 2016

    Just what I wanted reasonable price and prompt delivery!!