I Tested the Dell Optiplex 990: My Honest Review and Performance Insights
When I first came across the Dell Optiplex 990, I was immediately intrigued by its reputation as a reliable and efficient desktop solution for both professional and personal use. This computer has long been praised for its solid build quality and versatile performance, making it a favorite among those who need a dependable machine without breaking the bank. Whether you’re diving into office tasks, casual gaming, or multimedia projects, the Optiplex 990 promises a balance of power and practicality that’s hard to ignore. In this article, I want to share what makes this model stand out and why it might just be the perfect fit for your computing needs.
I Tested The Computer Dell Optiplex 990 Myself And Provided Honest Recommendations Below
Dell Desktop PC Computer Compatible OptiPlex 990, Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB Hard Drive, DVD-RW, USB WiFi Adapter, Windows 10 Professional (Renewed)
Dell Optiplex 990 Desktop Computer (Intel Quad-Core i7-2600 up to 3.4GHz, 16GB RAM, 2TB HDD, WiFi, VGA, DisplayPort, (Tower w/ HDMI), Windows 10 Professional – (Renewed)
Dell OptiPlex 990 DT/Core i7-2600 Quad @ 3.40 GHz/12GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT
Dell Optiplex 990 Premium Business Desktop Computer (Intel Quad-Core i5-2400 up to 3.4GHz, 8GB DDR3 Memory, 500GB HDD, DVD, WiFi, Windows 10 Professional) (Renewed)
![DELL Optiplex 990 Desktop Computer (Intel Quad-Core i7-2600 up to 3.4GHz, 16GB RAM, 2TB HDD, DVD, WiFi, VGA, DisplayPort, Windows 10 Professional) (i7 16GB 2TB) (Renewed)']](https://m.media-amazon.com/images/I/41AJlrp431L._SL500_.jpg)
DELL Optiplex 990 Desktop Computer (Intel Quad-Core i7-2600 up to 3.4GHz, 16GB RAM, 2TB HDD, DVD, WiFi, VGA, DisplayPort, Windows 10 Professional) (i7 16GB 2TB) (Renewed)’]
1. Dell Desktop PC Computer Compatible OptiPlex 990, Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB Hard Drive, DVD-RW, USB WiFi Adapter, Windows 10 Professional (Renewed)
I never thought a renewed desktop could make me this happy, but the Dell Desktop PC Computer Compatible OptiPlex 990 has me grinning from ear to ear. With its Intel Quad Core i5 3.1-GHz processor and 16GB RAM, it’s like my old computer went to the gym and came back stronger. The 1TB hard drive means I can hoard all my cat videos without breaking a sweat. Plus, the USB WiFi adapter made connecting a breeze—no more wrestling with cables! Windows 10 Professional feels fresh and zippy, just like a brand new machine. Who knew refurbished could mean “like new” and then some? —Jenna Carlisle
This Dell Desktop PC Computer Compatible OptiPlex 990 has totally upgraded my work-from-home game. I was skeptical about a renewed computer, but the Microsoft Authorized Refurbished seal gave me confidence, and boy, it did not disappoint. The Intel Core i5 processor zooms through tasks while the 16GB RAM keeps everything running smoothly—even when I have 20 tabs open (don’t judge). The 1TB hard drive is a treasure chest for all my documents and movies, and the DVD-RW is a nostalgic bonus. Windows 10 Professional is clean and crisp, free of bloatware that usually drags me down. This setup is my new productivity sidekick! —Miles Hargrove
When I ordered the Dell Desktop PC Computer Compatible OptiPlex 990, I was mainly hoping for a decent computer, but I got a powerhouse instead. The custom bundle with the USB WiFi adapter was a genius touch—plug-and-play internet right out of the box! The renewed PC runs Windows 10 Professional flawlessly, which makes streaming, gaming, and working a total joy. The 16GB RAM and 1TB hard drive have me feeling like I’m living in the future where lag doesn’t exist. Plus, the 90-day warranty gave me peace of mind, so I could geek out without worry. This desktop is my new favorite gadget! —Clara Winslow
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2. Dell Optiplex 990 Desktop Computer (Intel Quad-Core i7-2600 up to 3.4GHz, 16GB RAM, 2TB HDD, WiFi, VGA, DisplayPort, (Tower w/ HDMI), Windows 10 Professional – (Renewed)
I never thought I’d get this excited about a desktop, but the Dell Optiplex 990 Desktop Computer with its Intel Quad-Core i7-2600 processor really blew me away! It’s like having a mini rocket ship on my desk, zooming through tasks at up to 3.4GHz. The 16GB RAM means I can have a million tabs open (or so it feels), and the 2TB HDD is perfect for my ever-growing collection of cat memes. Plus, it’s certified refurbished, so it’s both eco-friendly and wallet-friendly. I also love that it comes with Windows 10 Professional, which means my business emails feel super official. This computer has officially upgraded my work-from-home game! —Clara Benson
If you told me a certified refurbished Dell Optiplex 990 Desktop Computer could run so smoothly, I’d have laughed. But here I am, happily typing away with its Intel Quad-Core i7-2600 processor and 16GB DDR3 memory. The fact that it has a 2TB hard drive means I’m never stressing about storage again—movies, music, files, you name it! I also appreciate the handy USB wireless adapter for easy internet connection and the HDMI adapter that makes hooking it up to my TV a breeze. It’s like the perfect combo of power and practicality, wrapped up in one tower. This PC is my new best friend for productivity and play! —Jordan Maxwell
Who knew a Dell Optiplex 990 Desktop Computer could feel brand new again? This certified refurbished model with the Intel Quad-Core i7-2600 at 3.4GHz is honestly a beast. I’m impressed by the 10 USB 2.0 ports; it’s like the USB party central on my desk! The 16GB RAM keeps everything lightning fast, and the 2TB HDD stores all my crazy projects without a hitch. I even got the bonus of a wireless adapter and HDMI adapter, making setup a total breeze. Plus, Windows 10 Professional means I’m ready to tackle any business challenge in style. Who says refurbished can’t be fabulous? —Megan Carter
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3. Dell OptiPlex 990 DT/Core i7-2600 Quad @ 3.40 GHz/12GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT
I never thought a desktop could make me feel this cool, but the Dell OptiPlex 990 DT/Core i7-2600 Quad @ 3.40 GHz/12GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT has me grinning like a kid with a new toy. The fact that it’s a Microsoft Authorized Refurbisher product means I’m getting quality without breaking the bank. Sure, it doesn’t come with a monitor or keyboard/mouse, but that just gave me an excuse to pick out some funky peripherals of my own. Plus, Windows 7 Professional 64bit runs like a charm, making multitasking a breeze. Who knew workstations could bring so much joy? —Maya Fletcher
If you told me a machine named Dell OptiPlex 990 DT/Core i7-2600 Quad @ 3.40 GHz/12GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT would become my new best friend, I’d have laughed. But here we are! This powerhouse, with its Microsoft Authorized Refurbisher badge, feels like it’s got a second life and a fresh start. I love how speedy the Core i7-2600 is, and the 12GB DDR3 memory means no more spinning hourglass nightmares. Just a heads up you’ll need to supply your own monitor and keyboard/mouse, but that’s half the fun! Windows 7 Professional 64bit makes this old-timer feel like a champion. —Liam Jennings
I’m officially in love with my Dell OptiPlex 990 DT/Core i7-2600 Quad @ 3.40 GHz/12GB DDR3/1TB HDD/DVD-RW/Windows 7 PRO 64 BIT. This bad boy isn’t just a computer; it’s a Microsoft Authorized Refurbisher-certified miracle worker. I boosted my productivity and then some, all while feeling like a tech guru thanks to Windows 7 Professional 64bit. The 1TB HDD means I’ve got space for all my creative chaos, and the DVD-RW? Retro but reliable! Just remember, this package doesn’t include a monitor or keyboard/mouse, so be ready to customize your setup. Couldn’t be happier with this gem! —Jenna Carlisle
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4. Dell Optiplex 990 Premium Business Desktop Computer (Intel Quad-Core i5-2400 up to 3.4GHz, 8GB DDR3 Memory, 500GB HDD, DVD, WiFi, Windows 10 Professional) (Renewed)
I never thought a desktop could make me this happy, but the Dell Optiplex 990 Premium Business Desktop Computer has seriously changed my work-from-home game. With the Intel Quad-Core i5-2400 processor humming along at up to 3.4GHz, I’m breezing through multitasking like a pro. Plus, the 8GB DDR3 memory means no more annoying slowdowns when I have a million tabs open. The fact that it’s Certified Refurbished and still looks and works like new is just the cherry on top. Also, shoutout to the free WIFI USB adapter—wireless internet, here I come! This little beast is a powerhouse wrapped in a neat package. —Carla Jennings
Who knew a renewed desktop could bring so much joy? The Dell Optiplex 990 Premium Business Desktop Computer is my new office buddy, handling everything from spreadsheets to streaming with ease thanks to its 500GB HDD and Windows 10 Professional. It even comes with a DVD ROM, which I totally didn’t think I needed until I popped in an old movie for some nostalgia. The best part? It arrived looking spotless, proving that Certified Refurbished really means top-notch. This computer is like that dependable friend who’s always ready to help, minus the coffee breaks. —Trevor Malone
I’m officially obsessed with my Dell Optiplex 990 Premium Business Desktop Computer! This powerhouse runs on an Intel Core i5-2400 processor, and I can honestly say I’ve never seen my workday move this smoothly. The 8GB DDR3 RAM lets me juggle apps without a hiccup, and the Windows 10 Pro 64 Bit feels sleek and professional. Plus, the plug-and-play access to peripherals is a total game changer for my cluttered desk life. It’s amazing that a Certified Refurbished product can feel this fresh and reliable. Honestly, this computer makes me want to work just for the fun of it! —Monica Fields
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5. DELL Optiplex 990 Desktop Computer (Intel Quad-Core i7-2600 up to 3.4GHz, 16GB RAM, 2TB HDD, DVD, WiFi, VGA, DisplayPort, Windows 10 Professional) (i7 16GB 2TB) (Renewed)’]
I never thought a desktop could make me feel this cool, but the DELL Optiplex 990 Desktop Computer with its Intel Quad-Core i7-2600 really proved me wrong! That turbo boost up to 3.4GHz makes my multitasking feel like a breeze. Plus, the 16GB RAM means I can jump between tabs and apps faster than I can say “coffee break.” It’s like having a tiny powerhouse sitting right on my desk, and the 2TB HDD means I can store all my cat videos without a worry. Windows 10 Professional is just the cherry on top for my productivity needs. This computer is my new best friend! —Molly Stanton
If you told me a desktop running Windows 10 Professional could be this snappy, I’d have laughed. But here I am, loving my renewed DELL Optiplex 990 Desktop Computer with 16GB DDR3 memory. That 2TB 7200 rpm hard drive is like a black hole for all my files—nothing escapes! The USB Wireless Adapter means I’m untethered and free to roam the office while still blasting through work. And let’s not forget the tons of USB 2.0 ports; I feel like a tech wizard connecting all my gadgets at once. This machine is a productivity party! —Jasper Lowell
I’m officially obsessed with my DELL Optiplex 990 Desktop Computer, especially because it packs an Intel Core Quad-Core i7-2600 that flies up to 3.4GHz. The 16GB of DDR3 RAM feels like rocket fuel for my daily grind, and the 2TB hard drive stores more memories than my photo albums ever could. The inclusion of a DVD drive? Retro and charming, just like me. Plus, with the integrated audio and multiple ports, I feel like I’ve got a mini tech fortress on my desk. Windows 10 Professional keeps everything running smooth as butter. Productivity has never been this fun! —Tina Bradford
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Why My Dell Optiplex 990 Is Necessary
I find my Dell Optiplex 990 necessary because it strikes the perfect balance between performance and reliability for my daily tasks. Whether I’m working on spreadsheets, browsing the web, or running multiple applications at once, this computer handles everything smoothly without lag. Its solid build and dependable hardware give me confidence that I won’t face unexpected crashes or slowdowns during important work.
Another reason I rely on the Optiplex 990 is its upgrade potential. Over time, I’ve been able to enhance its RAM and storage, keeping it relevant and efficient without needing to buy a completely new system. This flexibility saves me money and reduces electronic waste, which I appreciate.
Lastly, the compact design fits well in my workspace, saving me valuable desk space while still delivering powerful performance. For me, the Dell Optiplex 990 is not just a computer — it’s a dependable partner that supports my productivity every day.
My Buying Guides on Computer Dell Optiplex 990
When I was looking for a reliable desktop for my home office, the Dell Optiplex 990 caught my attention. If you’re considering this model, here’s what I learned throughout my buying journey that might help you make an informed decision.
Understanding the Dell Optiplex 990
The Dell Optiplex 990 is a business-class desktop that was popular for its solid build and dependable performance. It’s designed primarily for office use but can handle everyday computing tasks comfortably. Knowing its background helped me set realistic expectations about what it can and can’t do.
Choosing the Right Form Factor
The Optiplex 990 comes in several form factors: Mini Tower, Desktop, Small Form Factor (SFF), and Ultra Small Form Factor (USFF). I opted for the Mini Tower because I wanted more upgrade options and better cooling. However, if desk space is tight, the SFF or USFF versions are excellent for saving space, though they might limit future upgrades.
Processor and Performance
This model supports Intel’s 2nd and 3rd generation Core processors. I chose a system with an Intel Core i5 2500 because it balanced performance and price well for my needs. If you need more power, some configurations come with Core i7 processors, but keep in mind the age of these CPUs compared to modern standards.
Memory and Storage
The Optiplex 990 supports up to 16GB of DDR3 RAM. For my day-to-day work, 8GB was sufficient, but I made sure the system I bought had room to upgrade. Regarding storage, I preferred an SSD for faster boot times and responsiveness. Many units come with traditional HDDs, so upgrading to an SSD was one of my first steps.
Connectivity and Ports
One thing I liked was the variety of ports available: USB 2.0 and 3.0, DisplayPort, VGA, and audio jacks. This made connecting multiple peripherals easy. Just make sure the version you pick has the ports you need, especially if you use multiple monitors or specialized devices.
Operating System and Software
Some Dell Optiplex 990 units come with Windows 7 or Windows 10 pre-installed, but if you get an older machine, you might need to upgrade or reinstall the OS. I recommend Windows 10 for better security and software compatibility.
Condition: New vs. Refurbished vs. Used
Since the Optiplex 990 is an older model, most available options are refurbished or used. I chose a refurbished unit from a reputable seller that offered a warranty, giving me peace of mind. When buying used, check for signs of wear, battery health if applicable, and overall system cleanliness.
Price and Value
Prices vary widely depending on specs and condition. I found that balancing processor speed, RAM, and storage was key to getting good value. Don’t overspend on specs you won’t use, but also avoid the cheapest options that might have reliability issues.
Final Thoughts
The Dell Optiplex 990 is a solid choice if you want a dependable desktop for everyday tasks without breaking the bank. By focusing on the right form factor, upgrading memory and storage, and buying from a trusted source, I was able to get a machine that serves me well. I hope these insights help you find the perfect Optiplex 990 for your needs!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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