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.





Dell Inspiron 15 3511 Certified Refurbished Laptop - Professional Performance Redefined
The certified refurbished Dell Inspiron 15 3511 features an 11th Generation Intel Core i5-1135G7 processor running at 2.40 GHz with Intel Iris Xe Graphics, 8GB DDR4 RAM, 256GB NVMe SSD storage, and a crisp 15.6-inch Full HD (1920x1080) display, delivering exceptional performance for professional productivity, educational pursuits, and everyday computing tasks. This expertly refurbished laptop combines Dell's renowned build quality with outstanding value, making it an ideal choice for students, professionals, and home users seeking reliable performance without compromise.
Practical Applications and Use Cases
This versatile laptop excels across multiple scenarios, from demanding university coursework and professional presentations to creative projects and entertainment. The powerful 11th generation processor handles multitasking effortlessly, while the integrated Intel Iris Xe graphics provides smooth performance for light gaming, video streaming, and graphic design work. Business professionals will appreciate the robust connectivity options and professional-grade Windows 11 Pro operating system, whilst students benefit from the perfect balance of performance, portability, and affordability.
Key Features and Benefits
- 11th Generation Performance: Intel Core i5-1135G7 processor with 4 cores and 8 threads delivers exceptional multitasking capabilities
- Fast Storage: 256GB NVMe SSD ensures rapid boot times and quick file access
- Crystal Clear Display: 15.6-inch Full HD anti-glare screen perfect for extended work sessions
- Enhanced Graphics: Intel Iris Xe integrated graphics for improved visual performance
- Professional Operating System: Windows 11 Pro with advanced security and business features
- Comprehensive Connectivity: Multiple USB ports, HDMI output, and SD card reader for versatile peripheral support
- Built-in Webcam: Integrated HD webcam ideal for video conferencing and online learning
- Wi-Fi 6 Ready: Latest wireless technology for fast and stable internet connectivity
Technical Specifications
- Processor: Intel Core i5-1135G7 (2.40 GHz base, up to 4.20 GHz turbo)
- Memory: 8GB DDR4 SODIMM (expandable to 16GB)
- Storage: 256GB NVMe PCIe SSD
- Display: 15.6" Full HD (1920x1080) anti-glare LED-backlit
- Graphics: Intel Tiger Lake GT2 Iris Xe integrated graphics
- Connectivity: Wi-Fi 6, Bluetooth 5.1, HDMI, USB-A ports, SD card reader
- Operating System: Windows 11 Pro (64-bit)
- Weight: 1.73 kg
- Dimensions: 358.5mm (W) × 235.6mm (D) × 17.5-18.9mm (H)
- Colour: Black
Windows 11 Pro Operating System
Windows 11 Pro offers significant advantages including enhanced security features, advanced device management capabilities, BitLocker encryption, and domain joining functionality ideal for professional environments. The modern interface provides improved productivity with features like Snap Layouts and virtual desktops. However, users should note that Windows 11 Pro requires slightly more system resources than previous versions and includes more complex settings that may not be necessary for basic home users. The operating system's strict hardware requirements ensure optimal performance and security on compatible devices like this Dell Inspiron.
Quality Assurance and Refurbishment Process
Every Dell Inspiron 15 3511 undergoes Reboot IT's rigorous testing process, where all features and functions are thoroughly examined using cutting-edge testing software. As Australia's trusted refurbished technology specialist since 2001, Reboot IT has perfected the art of bringing premium devices back to peak performance. All units are verified refurbished through Reboot IT's comprehensive testing process, ensuring each laptop meets strict quality standards before reaching customers.
Cosmetic Condition Grades
Excellent Grade laptops show only minimal signs of previous use with barely noticeable wear, pristine screens free from scratches or blemishes, and light keyboard wear consistent with gentle usage. Good Grade units remain fully functional but display more visible signs of use including light scratches on the body, moderate keyboard wear, and possible small paint chips, whilst maintaining screen integrity without cracks or dead pixels.
Professional Warranty and Support
This certified refurbished Dell Inspiron 15 3511 comes with a comprehensive 1-year warranty provided by Reboot IT, demonstrating confidence in the refurbishment quality and ongoing performance. The warranty covers all functional aspects of the laptop, providing peace of mind for your investment in premium refurbished technology.
Ready to experience professional-grade performance at an exceptional price? Add this certified refurbished Dell Inspiron 15 3511 to your cart today and discover why thousands of Australians trust Reboot IT for their technology needs.
Bluetooth |
Built-in Webcam |
Wi-Fi |
Audio Output | Integrated |
Brand | Dell |
Bundle Description | None |
Colour | Black |
Custom Bundle | No |
GPU | Intel Iris Xe Graphics |
Graphics Processing Type | Integrated/On-Board Graphics |
Hard Drive Capacity | None |
Item Height | 19.9mm |
Item Length | 358.5mm |
Item Weight | 1.8kgs |
Item Width | 235.6mm |
Manufacturer Warranty | 3 Months |
Processor | Intel Core i5 11th Gen. |
Processor Model | 1135G7 |
Memory Type | DDR4 SODIMM |
Model | Inspiron 15 3511 |
MPN | None |
Operating System | Windows 11 Pro |
Operating System Edition | Windows 11 Pro |
Optical Drive | None |
Other Software | None |
Part Number | None |
Max Turbo Speed | 4.20 GHz |
Processor Speed | 2.40GHz |
RAM Size | 8GB |
Release Date | Q3'21 |
Release Year | 2021 |
Screen Size | 15.6 in |
SSD Capacity | 256GB |
Storage Type | NVMe SSD |
Connectivity | Wi-Fi|Ethernet|USB 3.0|USB-C|HDMI|RJ-45 |
Features | Built-in Webcam |
Maximum Resolution | 1920x1080 |
Most Suitable For | Casual Computing |
RAM Type | DDR4 SODIMM |
Series | Inspiron |
Type | Notebook/Laptop |
Webcam | YES |
L2 Cache | 5 MB |
Cores | 4 |
Maximum RAM Capacity | 16 GB |
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