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-grade refurbished business desktop featuring 4th generation Intel Core i5 processor, 4GB RAM, 250GB SSD, and DVD writer in a compact small form factor design. Ideal for office productivity, business applications, and everyday computing tasks. Professionally refurbished by Reboot IT with rigorous quality testing and backed by a 3-month warranty. Perfect for small businesses, home offices, or as an affordable secondary workstation.
What Makes the HP ProDesk 400 G1 a Reliable Business Desktop Choice?
- Enterprise-Grade Build Quality: Originally designed for corporate environments, the ProDesk 400 G1 features robust construction and reliable components that withstand heavy daily use, making it significantly more durable than consumer-grade alternatives.
- Efficient 4th Generation Intel Performance: The Intel Core i5-4570 processor delivers solid performance at 3.2GHz with 4 cores and 6MB cache, providing excellent responsiveness for business applications, web browsing, and multitasking without excessive power consumption.
- Fast SSD Storage Advantage: The 250GB solid-state drive ensures rapid boot times under 30 seconds, instant application loading, and responsive file operations compared to traditional hard drives, significantly improving productivity and system reliability.
- Space-Efficient Small Form Factor: Measuring just 27cm tall, the compact SFF design saves valuable desk space while maintaining full connectivity options, making it perfect for cramped offices or multi-monitor setups where space is premium.
- Professional Refurbishment Standards: Each unit undergoes comprehensive testing by certified technicians, including component verification, performance benchmarking, and quality assurance protocols to ensure reliable operation
- Cost-Effective Business Solution: Delivers professional computing capabilities at a fraction of new equipment costs, allowing businesses to equip multiple workstations economically while maintaining quality and performance standards.
How Does the HP ProDesk 400 G1 Perform in Daily Business Use?
The HP ProDesk 400 G1 excels in typical office environments where reliability and consistent performance matter most. The Intel Core i5-4570 processor handles standard business applications with ease, supporting simultaneous operation of Microsoft Office suite, email clients, web browsers with multiple tabs, and business software without performance bottlenecks. Users can expect smooth operation during video calls, document editing, spreadsheet calculations, and database access that characterise modern office workflows.
For small business environments, this desktop provides excellent value as a primary workstation or secondary computer. The 4GB of RAM supports comfortable multitasking for most business applications, while the 250GB SSD ensures that file operations, application launches, and system responsiveness remain consistently fast throughout the workday. The integrated graphics handle dual-monitor setups effectively for productivity workflows, though they're not designed for graphics-intensive applications.
The compact form factor makes the ProDesk 400 G1 particularly valuable in space-constrained environments like reception areas, shared workspaces, or home offices where desk real estate is limited. Despite its small size, the system maintains professional-grade connectivity options and expansion capabilities that support modern business peripheral requirements and future growth needs.
Complete Technical Specifications
| Processor | Intel Core i5-4570 Quad-Core 3.2GHz (6MB Cache, Haswell Architecture) |
| Memory (RAM) | 4GB DDR3 SDRAM (Expandable to 16GB) |
| Storage | 250GB Solid State Drive (SSD) |
| Optical Drive | DVD Writer (Read/Write DVD±R, DVD±RW, CD-R, CD-RW) |
| Graphics | Intel HD Graphics 4600 (Integrated) |
| Form Factor | Small Form Factor (SFF) Desktop |
| USB Ports | 6x USB 2.0, 4x USB 3.0 |
| Video Outputs | VGA (D-Sub), DisplayPort |
| Network | Gigabit Ethernet (10/100/1000) |
| Audio | Integrated Audio with 3.5mm Line-in, Line-out, Microphone |
| Expansion Slots | 2x PCIe x16 (one x16 mechanical/x4 electrical), 1x PCIe x1 |
| Power Supply | 240W External Power Adapter |
| Dimensions (H×W×D) | 27.0 × 9.5 × 31.1 cm |
| Weight | Approximately 4.2 kg |
| Chassis Material | Steel and Plastic Construction |
| Security Features | Kensington Lock Slot, BIOS Security |
| Operating System | No OS Included (Windows 10/11 Compatible) |
| Warranty Coverage | 3-Month Warranty by Reboot IT |
Is the HP ProDesk 400 G1 Right for Your Needs?
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✓ Best For: • Office productivity and business applications • Small businesses needing reliable workstations • Home offices with limited desk space • Secondary computer or backup system • Budget-conscious professional computing |
✗ Not Recommended For: • Gaming or graphics-intensive applications • Video editing or 3D rendering workloads • High-memory applications requiring 8GB+ RAM • Modern software requiring latest processors • Users needing built-in Wi-Fi connectivity |
Understanding Condition Grades and Battery Health
Reboot IT uses a transparent three-tier grading system to clearly communicate the cosmetic condition of every refurbished device. All grades represent fully functional, professionally tested equipment that meets our quality standards, differing only in external appearance based on previous use patterns.
| A — Excellent | Minimal wear, no visible scratches | Minimal cosmetic wear, premium presentation |
| B — Good | Light usage marks, minor scratches | Clean professional appearance, good value |
| C — Fair | Visible wear, scratches up to 5cm | Functional focus, maximum affordability |
While battery health primarily applies to laptops and tablets, all our refurbished desktop systems undergo comprehensive component testing including power supply verification, thermal performance validation, and electrical system certification to ensure reliable long-term operation.
Frequently Asked Questions About the HP ProDesk 400 G1
Can this desktop run Windows 10 or Windows 11?
Yes, the HP ProDesk 400 G1 fully supports Windows 10 and meets most Windows 11 requirements, though Windows 11 may require TPM enabling in BIOS. The system ships without an operating system, allowing you to install your preferred version.
How much RAM can I add to this system?
The system supports up to 16GB of DDR3 RAM across available memory slots. You can easily upgrade from the included 4GB to 8GB or 16GB for improved multitasking performance with memory-intensive applications.
What warranty is included with this refurbished desktop?
This HP ProDesk 400 G1 includes a comprehensive 3-month warranty provided by Reboot IT, covering all components and functionality. The warranty ensures peace of mind and reflects our confidence in the refurbishment quality.
Does the desktop include Wi-Fi connectivity?
No, the HP ProDesk 400 G1 SFF relies on wired Gigabit Ethernet for network connectivity. You can add Wi-Fi capability through a USB wireless adapter or internal Wi-Fi card installation if wireless connectivity is required.
What display connections are available for monitors?
The system provides VGA (D-Sub) and DisplayPort outputs, supporting dual monitor configurations. DisplayPort offers superior digital video quality, while VGA ensures compatibility with older monitors and projectors.
Is this suitable for running modern business software?
Yes, the Intel Core i5-4570 processor handles current business applications including Microsoft Office 365, accounting software, CRM systems, and web-based applications effectively. The SSD storage ensures responsive performance for typical office workflows.
How does the refurbishment process ensure reliability?
Each system undergoes comprehensive testing including component verification, thermal stress testing, and functionality validation. Reboot IT's certified technicians inspect every aspect from hardware performance to cosmetic condition before certification.
Warranty and After-Sales Support
This HP ProDesk 400 G1 desktop comes with a comprehensive 3-month warranty provided by Reboot IT, covering all hardware components, functionality, and performance issues. Our warranty reflects confidence in our professional refurbishment process and commitment to customer satisfaction.
The warranty covers component failures, hardware defects, and performance issues that may arise during normal business use. To claim warranty service, simply contact Reboot IT directly with your purchase details. Our support team provides technical assistance and coordinates repair or replacement services as needed.
As Australia's trusted refurbished computer specialist since 2001, Reboot IT stands behind every device with professional support and service commitment. Our refurbishment process includes rigorous component testing, performance validation, and quality certification to ensure reliable operation.
Upgradeability and Compatibility Options
The HP ProDesk 400 G1 offers several upgrade paths to extend its useful life and performance capability. The system supports RAM expansion up to 16GB using DDR3 modules, providing significant multitasking improvements for users running memory-intensive applications or multiple programs simultaneously.
Storage expansion options include adding a second drive using available SATA connections, or replacing the existing 250GB SSD with a larger capacity drive for increased file storage. The small form factor design accommodates standard 2.5-inch drives and provides internal expansion flexibility despite the compact footprint.
The system's PCIe expansion slots support adding specialized cards like dedicated graphics adapters for enhanced display capabilities, Wi-Fi cards for wireless connectivity, or other professional expansion cards as business needs evolve. Windows 11 compatibility ensures long-term software support with potential BIOS updates for enhanced security features.
Optical Drive |
| Hardware Connectivity | USB 3.0,VGA,DVI |
| Features | Optical Drive |
| Graphics Processing Type | Integrated/On-Board Graphics |
| Chipset | H81 |
| Condition | A |
| Model | HP Prodesk 400 G1 |
| Type | Desktop |
| Release Date | Q2'13 |
| Processor Model | I5-4570 |
| Storage Type | SSD (Solid State Drive) |
| Optical Drive | DVD/RW |
| Operating System Edition | Professional |
| Memory Type | DDR3 DIMM |
| Cores | 4 |
| Other Software | Free Antivirus,Open Office |
| Brand | HP |
| L2 Cache | 6 MB |
| Form Factor | Small Form Factor (SFF) |
| Product Dimensions | 380.5mm x 337mm x 100mm |
| Part Number | E2D14AV |
| Screen Size | None |
| Operating System | Windows 10 |
| Processor Type | I5 4th Gen |
| Product Weight | 5.9kgs |
| Max Turbo Speed | 3.60 GHz |
| Processor Speed | 3.20GHz |
| Max.ram | 16GB |
| Warranty | 3 months |
| Hard Drive Capacity | 128GB |
| GPU | HD GRAPHICS |
| Memory | 4GB |
| Audio Output | Integrated |
| Product Line | ProDesk |
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









