{"product_id":"dell-optiplex-760-desktop-255w-power-supply-n249m-oem-replacement","title":"Dell Optiplex 760 Desktop 255W Power Supply N249M - OEM Replacement","description":"\u003cp\u003eIn this review the Dell Genuine OEM Optiplex 760 Desktop 255W Power Supply N249M is assessed as a straightforward replacement option for older Optiplex 760 machines. The bottom line is that this unit is aimed at technicians and owners who need a compatible, factory-original spare to restore system stability; our review finds it delivers the exact fit and nominal power expected from a Dell OEM part, making it the simplest way to get a decommissioned or repaired Optiplex 760 back into service without modifying connectors or case fittings.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Designed specifically for the Optiplex 760, it reproduces the original fit and connector layout so installation is typically plug-and-play for that model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e255W rated output:\u003c\/strong\u003e The rated 255W capacity provides the same power envelope as the factory unit, helping to maintain stable operation under typical office workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory part number:\u003c\/strong\u003e Marked as L255P-01, which helps confirm it is a genuine Dell replacement rather than a generic third-party supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for internal mounting:\u003c\/strong\u003e The supply is sized and configured for internal installation in the Optiplex 760 chassis, avoiding the need for adapters or custom brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect swap convenience:\u003c\/strong\u003e Because it matches the original spec and connectors, downtime and troubleshooting are minimized during repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis power supply is best for IT technicians, refurbishers, and owners of Dell Optiplex 760 desktop systems who need a like-for-like replacement that maintains factory compatibility. If the system shows power instability, fails to boot, or the original supply has failed, this OEM unit is the logical choice to restore the machine without changing power distribution or case layout.\u003c\/p\u003e\n\u003cp\u003eThose with newer Dell systems, non-Optiplex 760 desktops, or users looking for higher wattage for upgrades should look elsewhere. It is not intended as a universal or high-performance upgrade for modern GPUs or power-hungry add-ins, but rather as an authentic replacement for the original Optiplex 760 configuration.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExact OEM fit for the Optiplex 760, which simplifies installation and reduces compatibility risks.\u003c\/li\u003e\n\u003cli\u003eMatches the original 255W rating, maintaining the system's intended power margin for office tasks.\u003c\/li\u003e\n\u003cli\u003eIdentified as model L255P-01, providing confidence it is a Dell genuine replacement component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to 255W, so it is not suitable for systems that require higher capacity for upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Part\u003c\/td\u003e\n\u003ctd\u003eL255P-01 (N249M)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e255W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended For\u003c\/td\u003e\n\u003ctd\u003eOptiplex 760 desktop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eInternal power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone repairing or refurbishing a Dell Optiplex 760, this genuine OEM 255W power supply is a practical, economical choice that preserves original compatibility and reduces troubleshooting. It is good value for restoring stock systems, though users planning performance upgrades should select a higher-capacity solution.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this power supply a genuine Dell part?\u003c\/strong\u003e\u003cbr\u003eYes, it is listed as the Dell factory replacement marked L255P-01 for the Optiplex 760.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit other Dell models?\u003c\/strong\u003e\u003cbr\u003eIt is designed specifically for internal mounting in the Optiplex 760 and may not fit or match connectors on other models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs 255W enough for upgrades?\u003c\/strong\u003e\u003cbr\u003e255W is suitable for stock office configurations but may be insufficient for significant GPU or high-power CPU upgrades.\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":48186259800283,"sku":"B009QODQ4S","price":59.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71oZPmi3TKL._AC_SL1116.jpg?v=1769523666","url":"https:\/\/gearmusthave.com\/products\/dell-optiplex-760-desktop-255w-power-supply-n249m-oem-replacement","provider":"GearMustHave","version":"1.0","type":"link"}