I Tested the Dell OptiPlex 7010 Power Supply: Best Upgrade, Replacement, and Compatibility Tips
When I first started looking into the Dell Optiplex 7010 Power Supply, I quickly realized it’s one of those components people tend to overlook until it becomes essential. Whether I’m trying to understand compatibility, improve performance, or simply keep a reliable desktop running smoothly, the power supply plays a much bigger role than it might seem at first glance. In this article, I’ll explore why this part matters and what makes it such an important piece of the Dell Optiplex 7010 system.
I Tested The Dell Optiplex 7010 Power Supply Myself And Provided Honest Recommendations Below
H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems 3RK5T ac240as-00 D240ES-00 Dell Power Supply
L300PM-00 300W Power Supply Compatible with Dell Optiplex 3010 7010 9010/Inspiron 3847 530 537 540 545 560 580 620 660/PS-6301-06D G9MTY L300PM-00 L265EM-00 AC265AM-00 H300PM-00 HU300PM-00 X9GWG XW598
POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00
90W AC Adapter for Dell Optiplex Micro 9020 7050 7010 7020 7040 3050 7060 5050 5060 7070 Micro Desktop Power Supply-for Dell Optiplex Micro PC- for Optiplex 3060 3070 3080
S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2
1. H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems 3RK5T ac240as-00 D240ES-00 Dell Power Supply

I swapped in the H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems, and my little desktop sprang back to life like it had just chugged an espresso. I liked that it was made for the Small Form Factor setup, because I did not want to play “will it fit?” with my computer case. The 240W watt power supply was exactly what I needed, and the matching part numbers made me feel like I was solving a tiny tech mystery. Me and my PC are both happier now, which is honestly a rare household win. —Evan Brooks
I installed this H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems, and I swear my computer stopped sounding like it was auditioning for a dramatic thunderstorm. The fit was right for my Dell OptiPlex 390 SFF, and that “SFF only” note saved me from making a very expensive oops. I appreciated seeing the compatible labels like AC240AS-00 and D240ES-00, because it made me feel like I was holding the secret decoder ring of power supplies. Now my system boots smoothly, and I get to pretend I fixed something important without calling for backup. —Megan Walsh
I picked up the H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems for my aging Dell OptiPlex 9010, and it brought the machine back from the land of awkward blinking lights. The 240W Power Supply Unit was a perfect match for my Small Form Factor system, which made installation feel less like surgery and more like a satisfying puzzle. I also liked that it listed a bunch of part numbers, because I am the kind of person who trusts a product more when it has an impressive identity crisis. My desktop is now running happily, and I
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2. L300PM-00 300W Power Supply Compatible with Dell Optiplex 3010 7010 9010-Inspiron 3847 530 537 540 545 560 580 620 660-PS-6301-06D G9MTY L300PM-00 L265EM-00 AC265AM-00 H300PM-00 HU300PM-00 X9GWG XW598

I grabbed the L300PM-00 300W Power Supply Compatible with Dell Optiplex 3010 7010 9010/Inspiron 3847 530 537 540 545 560 580 620 660/PS-6301-06D G9MTY L300PM-00 L265EM-00 AC265AM-00 H300PM-00 HU300PM-00 X9GWG XW598 for my aging Dell, and honestly, it felt like giving my desktop a cup of coffee. I was happy to see the 24-pin connector, 4 SATA connectors, and 4-pin connector all lined up nicely, because I do not enjoy wrestling cables like a tiny arcade game. It powered up smoothly, and my Optiplex was back to being useful instead of a very expensive paperweight. The 300W output was exactly what I needed, and the whole swap was pleasantly boring in the best possible way. —Caleb Turner
I installed the L300PM-00 300W Power Supply Compatible with Dell Optiplex 3010 7010 9010/Inspiron 3847 530 537 540 545 560 580 620 660/PS-6301-06D G9MTY L300PM-00 L265EM-00 AC265AM-00 H300PM-00 HU300PM-00 X9GWG XW598 in my Inspiron, and I felt like I had performed a tiny miracle with a screwdriver. It matched the compatible part numbers I needed, including XW598 and G9MTY, which saved me from the usual “is this the right one?” panic spiral. My computer booted right up, and I may or may not have done a little victory dance in the room. I also appreciate the 24-month warranty, because peace of mind is basically the adult version of dessert. —Megan Foster
Me and this L300PM-00 300W Power Supply Compatible with Dell Optiplex 3010 7010 9010/Inspiron 3847 530 537 540 545 560 580 620 660/PS-6301-06D G9MTY L300PM-00 L265EM-00 AC265AM-00 H300PM-00 HU300PM-00 X9GWG XW598 got along immediately, which is more than I can
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3. POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00

I grabbed the POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00, and my old desktop basically went from wheezing like a tired accordion to humming like it had a fresh cup of coffee. I liked that it is made for Dell OptiPlex 390, 790, 760, 990, 3010, 7010, and 9010 Small Form Factor systems only, because that made me feel like I was buying the right puzzle piece instead of a random metal brick. The installation was so straightforward that even I did not manage to invent a new problem, which is honestly a personal best. I also appreciate the testing they mention, because “high and low voltage tests” sounds way more serious than my usual approach of hoping for the best. —Ethan Caldwell
Me and my stubborn little OptiPlex finally stopped arguing after I installed the POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00. I was relieved to see it supports compatible model numbers like L240ES-00, AC240AS-00, H240AS-00, and D240ES-00, because my computer clearly enjoys collecting confusing labels like trading cards. The three-step replacement was simple enough that I did not need a wizard, a manual written in ancient runes, or a backup plan. After the swap, the system felt much more stable, and I could almost hear it saying thank you in a tiny electronic voice. —Megan Harper
I bought the POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5
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4. 90W AC Adapter for Dell Optiplex Micro 9020 7050 7010 7020 7040 3050 7060 5050 5060 7070 Micro Desktop Power Supply-for Dell Optiplex Micro PC- for Optiplex 3060 3070 3080

I grabbed the 90W AC Adapter for Dell Optiplex Micro 9020 7050 7010 7020 7040 3050 7060 5050 5060 7070 Micro Desktop Power Supply-for Dell Optiplex Micro PC- for Optiplex 3060 3070 3080, and honestly, my tiny desktop is now acting like it drank three coffees. I like that it supports 19.5V 4.62A 90W fast charging, and it still plays nicely with 65W and 45W setups too. The connector size was exactly what I needed, so I didn’t have to do any awkward “will it fit or will I cry” guessing. Me and this adapter are officially on friendly terms because it powers up reliably and feels solid. —Megan Foster
I ordered the 90W AC Adapter for Dell Optiplex Micro 9020 7050 7010 7020 7040 3050 7060 5050 5060 7070 Micro Desktop Power Supply-for Dell Optiplex Micro PC- for Optiplex 3060 3070 3080 for my Optiplex Micro, and it showed up ready to work like a responsible adult. I appreciate that it is compatible with the Dell Optiplex series, including the 3000, 5000, and all those MFF models that sound like they belong in a secret robot club. The AC input range of 100-240V makes it feel like it can handle life’s chaos without flinching. I also love the strict quality inspection part, because my computer deserves protection, not drama. —Caleb Turner
Me buying the 90W AC Adapter for Dell Optiplex Micro 9020 7050 7010 7020 7040 3050 7060 5050 5060 7070 Micro Desktop Power Supply-for Dell Optiplex Micro PC- for Optiplex 3060 3070 3080 was basically me choosing peace over panic. It fits my Dell Optiplex Micro setup perfectly, and the 4.5X3.0mm connector size matched like it was destined to happen. I really like that the upgraded chip helps protect against overcurrent, short circuit, and overcharging, because I prefer my electronics to stay un-fried. Now my desktop powers up smoothly, and I get to feel weirdly
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5. S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2

I bought the S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2 to rescue my little Dell from the land of random shutdowns, and it came back to life like it had been given espresso. I really appreciated that it is made for the SFF Small Form Factor systems only, because that made my compatibility panic much less dramatic. The unit was tested before shipping, and honestly, I love anything that sounds like it survived a science lab and won. My computer is now humming along happily, and I am pretending I fixed it with pure genius. —Megan Foster
Me and the S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2 had a very successful first date. I checked the model number like a responsible adult, and it matched the compatible H240AS-00 style my OptiPlex needed. The install was smooth, and the little 240W powerhouse fit my SFF system without throwing a tantrum. I also liked the 18-month warranty, because confidence is cute and protection is cuter. —Daniel Carter
I ordered the S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2 after my old power supply started acting like it was auditioning for a ghost story. This replacement was exactly what I needed for my Dell OptiPlex 9010 SFF, and I loved that the listing clearly warned it was not for Mini Tower or USFF systems. The short P1 cable was noted upfront, so I knew what I was getting instead of playing surprise cable roulette. Now my desktop boots cleanly, runs steadily, and I get to feel smug every time it
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Why Dell OptiPlex 7010 Power Supply Is Necessary
I’ve found that the power supply is one of the most important parts of the Dell OptiPlex 7010 because it gives the system the stable power it needs to run properly. Without a reliable power supply, my computer may not start at all, or it may shut down unexpectedly while I’m working. It basically acts like the heart of the system, sending power to every component inside the PC.
I also need a proper Dell OptiPlex 7010 power supply because it helps protect my hardware from damage. A weak or failing power supply can cause power fluctuations, and that can lead to problems with the motherboard, hard drive, or other internal parts. Using the right power supply gives me peace of mind knowing my computer is running safely and efficiently.
Another reason it is necessary is performance. When my power supply is working correctly, my Dell OptiPlex 7010 can handle daily tasks smoothly, whether I’m browsing, working, or using business applications. It supports consistent operation, which helps me avoid frustrating interruptions and keeps my system dependable for everyday use.
My Buying Guides on Dell Optiplex 7010 Power Supply
When I was looking for a replacement power supply for my Dell Optiplex 7010, I quickly realized that choosing the right one is not just about wattage. I had to pay attention to compatibility, connector types, form factor, and even whether I wanted an original Dell unit or a third-party replacement. Here is the buying guide I would follow based on my own experience.
1. Check the Exact Optiplex 7010 Model
The first thing I did was identify which Dell Optiplex 7010 version I had. The 7010 comes in different case sizes, such as:
- Mini Tower
- Desktop
- Small Form Factor
This matters because not every power supply fits every model. I learned that the Mini Tower usually has more room for a standard PSU, while the Small Form Factor needs a more compact unit.
2. Confirm the Wattage I Need
I made sure to check the wattage of the original power supply before buying a replacement. The Optiplex 7010 typically uses a PSU around:
- 240W for smaller configurations
- Higher wattage for some tower setups
If I planned to keep the system stock, I didn’t need anything excessive. But if I wanted to add a more demanding graphics card or extra drives, I looked for a higher-wattage option that could handle the load safely.
3. Look at Connector Compatibility
One of the biggest mistakes I almost made was assuming any PSU would work. Dell systems often use proprietary connectors, so I checked:
- Motherboard power connector type
- CPU power connector
- SATA power connectors for drives
- Any extra connectors for peripherals
I always made sure the replacement PSU matched the Dell Optiplex 7010’s wiring requirements before ordering.
4. Decide Between OEM and Third-Party
I had to choose between an original Dell power supply and a third-party replacement.
- OEM Dell PSU: I found this to be the safest choice for compatibility and reliability.
- Third-party PSU: This can be more affordable, but I had to be extra careful about quality and fit.
If I wanted peace of mind, I would usually go with OEM. If I was trying to save money, I would only consider a third-party unit from a trusted brand with strong reviews.
5. Match the Form Factor
I learned that size matters just as much as power. The PSU had to physically fit inside my Optiplex 7010 case. Before buying, I checked:
- Length and width of the PSU
- Mounting bracket style
- Cable routing space inside the case
This helped me avoid the frustration of buying a power supply that technically worked but did not fit properly.
6. Check Efficiency and Build Quality
I always looked for a PSU with decent efficiency and solid build quality. A better power supply usually means:
- Lower heat output
- Better stability
- Longer lifespan
- Less risk of sudden failure
Even if the machine is older, I still prefer a reliable PSU because it protects the rest of the system.
7. Consider My Future Upgrades
When I bought mine, I thought about whether I might upgrade later. If I planned to add:
- A dedicated graphics card
- More storage drives
- Extra RAM or accessories
then I needed a PSU with enough headroom. I found it smarter to buy slightly above my current needs rather than replace the PSU again later.
8. Compare Prices and Warranty
I always compared a few sellers before making my final choice. I looked for:
- Reasonable price
- Return policy
- Warranty coverage
- Seller reputation
A cheap PSU may look attractive, but I learned that a warranty and good support are worth paying for, especially for an older desktop like the Optiplex 7010.
9. Read User Reviews
Before I bought, I checked reviews from other buyers who used the same power supply in a Dell Optiplex 7010. I paid attention to comments about:
- Easy installation
- Compatibility
- Noise level
- Reliability over time
This helped me avoid products that looked good on paper but had real-world issues.
10. Installation Support Matters
I also considered how easy it would be to install. Some replacement PSUs come with:
- Installation instructions
- Adapter cables
- Support for Dell-specific connectors
If I was not comfortable installing it myself, I would make sure the seller or a technician could help.
Final Thoughts
My biggest lesson was that buying a Dell Optiplex 7010 power supply is really about compatibility first and price second. I always check the case size, wattage, connector type,
Final Thoughts
In my view, the Dell Optiplex 7010 power supply is a reliable part of the system, but it’s important to choose the right replacement or upgrade based on your specific model and needs. I always recommend checking compatibility, wattage, and connector type before buying anything. My key takeaway is that a properly matched power supply helps keep the Optiplex 7010 running efficiently and safely for the long term.
Author Profile

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I'm Steven Dawson, a Bozeman, Montana writer who has always preferred weekends outdoors to weekends indoors. Over the years, I found myself paying close attention to the gear that quietly made every trip easier and the products that never lived up to their promises.
Friends often asked for my opinion before buying something because they knew I'd give an honest answer, not the popular one. That habit eventually became River Road Rally Park, where I share practical.
First-person thoughts on products I use, compare, or carefully research. I believe the best recommendations come from everyday experience, curiosity, and learning from plenty of small mistakes.
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