Please allow ~4-6 weeks to dispatch from Australia for quality control. Only 4 devices per customer may be shipped each day, so orders placed for more than 4 devices will be shipped over multiple days.
Products containing Lithium-Ion batteries (laptops and smartphones) are subject to extra safety requirements and are experiencing further delays.
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.
Product images are for illustrative purposes only and may contain AI-generated content. They do not represent the exact product that is subject to the cosmetic grading policy detailed here.
Professional Workstation Performance – Certified Refurbished HP Z240 Tower
The certified refurbished HP Z240 Tower Workstation features an Intel Core i7-6700 6th Gen processor running at 3.40 GHz with Turbo Boost up to 4.00 GHz, 8 GB DDR4 RAM, a spacious 1 TB hard drive, professional NVIDIA Quadro K620 graphics with 2 GB dedicated memory, and Windows 10 Pro pre-installed, all housed in a robust black tower chassis measuring 442 x 399 x 170 mm and weighing approximately 8.6 kg. This professionally refurbished workstation combines Intel's quad-core processing power with 8 threads via Hyper-Threading technology and workstation-grade components, delivering reliable performance for demanding professional applications at a fraction of the cost of new equipment.
Ideal for Professional Computing
This HP Z240 Tower excels in professional environments requiring dependable computing power. Perfect for CAD applications, 3D modelling, engineering calculations, software development, financial analysis, and multimedia production workflows. The NVIDIA Quadro K620 professional graphics card provides certified driver support for industry-standard applications, whilst the quad-core i7 processor handles multi-threaded workloads with ease. The generous 1 TB storage capacity accommodates large project files, datasets, and multimedia libraries, making this workstation suitable for architects, engineers, designers, financial professionals, and small business users seeking reliable performance.
Key Features & Benefits
- Intel Core i7-6700 quad-core processor with Hyper-Threading delivers smooth multitasking and responsive application performance
- Professional NVIDIA Quadro K620 graphics card with 2 GB memory, optimised for CAD, design, and professional visualisation software
- Expandable DDR4 memory architecture supports up to 64 GB RAM for future-proofing intensive workloads
- Multiple USB 3.0 and USB 2.0 ports provide flexible connectivity for peripherals, external storage, and accessories
- Tool-free chassis design enables straightforward component access for upgrades and maintenance
- DVD/RW optical drive for media reading, writing, and software installation
- PCIe expansion slots accommodate additional graphics cards, storage controllers, and professional add-in cards
- Intel C236 chipset with enterprise-grade manageability features and vPro Technology support
Essential Technical Specifications
- Processor: Intel Core i7-6700, 3.40 GHz base / 4.00 GHz Turbo, 4 cores / 8 threads, 8 MB Smart Cache
- Memory: 8 GB DDR4 RAM (expandable to 64 GB across 4 DIMM slots)
- Storage: 1 TB SATA hard drive
- Graphics: NVIDIA Quadro K620 with 2 GB dedicated memory
- Optical Drive: DVD/RW
- Operating System: Windows 10 Professional 64-bit
- Connectivity: 6x USB 3.0, 4x USB 2.0, Gigabit Ethernet, 2x DisplayPort 1.2, DVI-I
- Dimensions: 442 mm (H) x 399 mm (D) x 170 mm (W)
- Weight: Approximately 8.6 kg
- Colour: Black tower chassis
Windows 10 Pro for Business
This workstation comes with Windows 10 Professional, offering enhanced security features including BitLocker encryption, Windows Defender, and Windows Hello biometric authentication. Remote Desktop functionality enables flexible work arrangements, whilst Active Directory support streamlines IT management in business environments. Windows 10 Pro delivers enterprise-grade security and productivity tools ideal for professional users, though the interface includes advanced features that may require familiarisation for casual users. Enhanced security protocols, comprehensive management capabilities, and broad application compatibility make Windows 10 Pro the preferred choice for business computing.
Understanding Cosmetic Grades
Reboot IT categorises refurbished workstations into two transparent cosmetic grades. Excellent grade units exhibit minimal signs of previous use with barely noticeable wear, offering a near-new appearance ideal for professional or client-facing environments. Good grade units remain fully functional with more visible cosmetic wear such as light scratches or minor scuffs, delivering identical performance at maximum value for users prioritising function over aesthetics. Regardless of cosmetic grade, all devices receive identical rigorous testing protocols and deliver the same reliable performance—only the external appearance differs.
Verified Reboot Refurb Quality Assurance
Every HP Z240 workstation undergoes Reboot IT's Verified Reboot Refurb certification process, where technicians meticulously test all features and functions to ensure complete operational reliability. Reboot IT has been an industry expert since 2001, utilising cutting-edge diagnostic and testing software to verify each component meets exacting quality standards. All units are thoroughly tested for processor performance, memory integrity, storage functionality, graphics capability, USB connectivity, optical drive operation, and network communication. This rigorous multi-point inspection process guarantees that each certified refurbished workstation delivers dependable performance backed by professional quality assurance.
This certified refurbished HP Z240 Tower Workstation is sold by Reboot IT and includes a comprehensive 3-month warranty, providing peace of mind with professional support. Experience enterprise-grade workstation performance at exceptional value—order your professionally refurbished HP Z240 today and elevate your productivity with trusted, tested technology.
Optical Drive |
| Hardware Connectivity | USB 3.0,RJ-45,Display Port,DVI |
| Features | Optical Drive |
| Graphics Processing Type | NVIDA K1200 |
| Chipset | C236 |
| Condition | A |
| Model | Z240 Tower Workstation |
| Type | Desktop |
| Release Date | Q3'15 |
| Processor Model | 6700 |
| Storage Type | SSD (Solid State Drive) |
| Optical Drive | DVD/RW |
| Operating System Edition | Professional |
| Memory Type | DDR4 DIMM |
| Cores | 4 |
| Other Software | Open Office,Free Antivirus |
| Brand | HP |
| L2 Cache | 8 MB |
| Form Factor | Tower |
| Product Dimensions | 381mm x 338mm x 100mm |
| Part Number | T9U04PA#ABG |
| Screen Size | None |
| Operating System | Windows 10 |
| Processor Type | I7 6th Gen |
| Product Weight | 9.40kgs |
| Max Turbo Speed | 4.00 GHz |
| Processor Speed | 3.40GHz |
| Max.ram | 64GB |
| Warranty | 3 months |
| Hard Drive Capacity | 256GB |
| GPU | Quadro K620 |
| Memory | 24GB |
| Audio Output | Integrated |
| Product Line | none |
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
