Please allow ~2-3 weeks to dispatch for quality control. Product images are for illustrative purposes only and may contain AI-generated content; they may not represent the final product you receive. Products are subject to the cosmetic grading policy detailed here.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
Certified Refurbished Dell OptiPlex 790 Slim Form Factor Desktop
The certified refurbished Dell OptiPlex 790 features an Intel Core i3-2120 dual-core processor running at 3.3GHz, 4GB DDR3 1333MHz RAM, integrated Intel HD Graphics 2000, and comes in a space-saving Slim Form Factor chassis measuring 29.0cm (H) x 9.26cm (W) x 31.2cm (D) and weighing 5.70kg, with no operating system pre-installed to give you complete flexibility in choosing your preferred software. This reliable business-class desktop delivers dependable performance for everyday computing tasks whilst maximising workspace efficiency with its compact design.
Ideal for Multiple Applications
Perfect for home offices, students, small businesses, and everyday users who need a dependable computer for web browsing, document processing, email management, and multimedia playback. The compact Slim Form Factor design makes this desktop ideal for space-constrained environments including reception areas, classrooms, and home workstations. With no operating system pre-installed, tech-savvy users can install their preferred OS, whether Windows, Linux, or other compatible systems, tailoring the machine to their specific requirements.
Key Features and Benefits
The Dell OptiPlex 790 combines business-class reliability with practical functionality. The Intel Core i3-2120 processor with 3.3GHz clock speed provides smooth performance for multitasking across standard office applications. The 4GB of DDR3 RAM ensures responsive operation when running multiple programmes simultaneously. Intel HD Graphics 2000 supports dual displays, enabling enhanced productivity with extended workspace across multiple monitors.
Comprehensive connectivity options include ten USB 2.0 ports (four front-mounted for easy access), VGA and DisplayPort outputs for flexible display configurations, integrated Gigabit Ethernet for reliable network connectivity, and PS/2 ports for legacy peripheral support. The included Dell wired keyboard and optical mouse, along with the 250V Australian power cord, mean you're ready to work straight out of the box once your operating system is installed.
Essential Technical Specifications
- Processor: Intel Core i3-2120 (Dual Core, 3.3GHz, 3MB cache, Sandy Bridge architecture)
- Memory: 4GB DDR3 1333MHz Non-ECC (expandable to 16GB)
- Graphics: Intel HD Graphics 2000 (integrated, shared memory)
- Form Factor: Slim Form Factor (SFF)
- Connectivity: 10x USB 2.0, Gigabit Ethernet, VGA, DisplayPort
- Audio: Integrated Realtek HD Audio with front and rear connectors
- Power Supply: 240W with Active Power Factor Correction
- Dimensions: 29.0cm (H) x 9.26cm (W) x 31.2cm (D)
- Weight: 5.70kg
- Included Accessories: Dell USB keyboard, Dell USB optical mouse, 250V AUS power cord, 1W internal speaker
Operating System Flexibility
This desktop ships with no operating system pre-installed, providing complete freedom to install your preferred software environment. The OptiPlex 790 officially supports Windows 7 (32-bit and 64-bit), Windows 8, Windows 10, and various Linux distributions including Ubuntu and Red Hat Enterprise Linux. This flexibility allows you to choose an operating system that best suits your workflow, budget, and software compatibility requirements. Windows systems offer broad software compatibility and familiar user interfaces, making them ideal for business productivity and mainstream applications. Linux distributions provide cost-effective, secure alternatives with excellent performance on this hardware, perfect for users seeking open-source solutions or specialised computing environments.
Quality Assurance and Warranty
Every Dell OptiPlex 790 sold by Reboot IT has been verified through our comprehensive refurbishment process. We tested all features and functions to ensure reliable operation, including processor performance, memory integrity, storage functionality, graphics output, network connectivity, USB ports, and audio systems. Since 2001, Reboot IT has been an expert in the refurbished technology industry, utilising cutting-edge testing software and industry-leading diagnostic tools to verify each component meets our stringent quality standards.
All units are verified refurbished through Reboot IT's thorough testing process, which includes secure data wiping, comprehensive hardware diagnostics, replacement of any faulty components with genuine parts, professional cleaning, and final quality assurance checks. This certified refurbished desktop comes with a 3-month warranty from Reboot IT, providing peace of mind with your purchase. Our warranty covers defects in materials and workmanship, ensuring you receive a reliable product that performs as expected.
Understanding Cosmetic Grades
Excellent Grade desktops are free from deep scratches, cracks, paint chips, or any broken or missing pieces, ensuring a sleek and almost-new aesthetic with minimal signs of previous use.
Good Grade desktops may exhibit light scratches and more noticeable wear on the case compared to Excellent grade units. Small dings or paint chips might be present but do not affect functionality, offering a cost-effective solution whilst maintaining full operational capability.
Both grades represent fully functional, professionally refurbished computers that have undergone identical testing and certification processes.
Why Choose Certified Refurbished
Purchasing this certified refurbished Dell OptiPlex 790 delivers exceptional value whilst supporting environmental sustainability. Save significantly compared to new equipment prices whilst reducing electronic waste. Reboot IT's rigorous refurbishment process ensures this desktop meets high-quality standards, providing reliable performance comparable to new systems at a fraction of the cost. Our commitment to quality means you receive a professionally restored computer backed by warranty support and customer service.
Ready to experience reliable desktop computing at an affordable price? Add this certified refurbished Dell OptiPlex 790 to your cart today and enjoy dependable performance with the peace of mind that comes from Reboot IT's 3-month warranty and over two decades of refurbishment expertise.
USB |
| Operating System |
| Hardware Connectivity | USB 2.0,VGA,Display Port,RJ-45 |
| Features | USB,Operating System |
| Chipset | Q65 |
| Condition | A |
| Model | 790 |
| Processor Model | 2400 |
| Storage Type | HDD (Hard Disk Drive) |
| Optical Drive | DVD+/-RW |
| Operating System Edition | Professional |
| Memory Type | DDR3 |
| Other Software | Free Antivirus,Open Office |
| Brand | Dell |
| Primary Drive | DVD+/-RW |
| Form Factor | Small Form Factor |
| Product Dimensions | 312mm x 290mm x 93mm |
| Storage Capacity | 250GB |
| Operating System | Windows 7 |
| Processor Type | Intel Core i3 2nd Gen. |
| Product Weight | 7.6kgs |
| Processor Speed | 3.30GHz |
| Max.ram | 16GB |
| Memory | 4GB |
| Audio Output | Integrated |
| Product Line | Optiplex |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade
