HP ProDesk 400 G3 SFF i3 6320 3.9GHz 8GB 500GB NO OS Computer | 1yr Wty
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30-day returns
1 Year warranty
- Intel i3-6320 3.9GHz processor with 8GB DDR4 RAM
- Small form factor design with 500GB storage
- Certified refurbished with 1-year warranty included
Perks you get with every purchase
Perks you get with every purchase
Warranty
If your item experiences a technical issue, we've got you covered—we'll either repair it or replace it for you!
30 days to change your mind
Feel free to return your item for any reason within the first 30 days of receiving it. It's that easy!
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Customer support
Rest assured, we’ll always respond to you within 1 business day!
Frequently asked qustions
Frequently asked qustions
What does the warranty cover?
Our warranty covers all hardware faults, but please note it doesn’t cover accidental damage or software issues. However, we’re here to help with technical support for those matters!
What is a refurbished device?
A refurbished device is a pre-owned item that has been restored to meet high-quality standards. At Reboot IT, we adhere to strict quality guidelines, ensuring that our refurbished products are not the same as used or secondhand items. We meticulously clean, test, and assess each device, replacing worn parts with high-quality components.
Unlike used items, which lack guarantees and rely solely on the seller's word regarding condition, refurbished devices come with assurance of quality and reliability.
What payment options are available?
We offer a variety of payment options to make your shopping experience as convenient as possible! You can pay using all major credit cards, Apple Pay, Google Pay, Shop Pay, Afterpay, Zip Pay, and PayPal. If you prefer, we also accept bank deposits and even cash for in-store purchases!
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Description
Description
HP ProDesk 400 G3 Small Form Factor Desktop - Intel i3-6320 3.9GHz, 8GB RAM, 500GB HDD
Professional-grade small form factor desktop computer featuring 6th generation Intel Core i3 dual-core processor, 8GB DDR4 memory, and 500GB storage. Originally designed for business environments, this HP ProDesk 400 G3 delivers reliable performance for office productivity, web browsing, and essential computing tasks. Thoroughly refurbished and tested by certified technicians, backed by a comprehensive 12-month warranty from Reboot IT.
What Makes the HP ProDesk 400 G3 a Reliable Desktop Choice?
- 6th Generation Intel Core i3-6320 Processor: Dual-core CPU with 4 threads running at 3.9GHz base frequency provides responsive performance for multitasking, office applications, and web-based productivity tools with Intel HD Graphics 530 integrated.
- 8GB DDR4 Memory Configuration: Ample system memory for smooth operation of Windows 10, multiple browser tabs, Microsoft Office suite, and background applications without performance bottlenecks during typical business workflows.
- Space-Efficient Small Form Factor Design: Compact desktop footprint maximises desk space while maintaining full desktop functionality, ideal for modern office environments where space optimisation is essential.
- Enterprise-Grade Build Quality: Originally deployed in corporate environments, built to withstand continuous daily operation with HP's rigorous 120,000-hour Total Test Process ensuring long-term reliability and durability.
- Advanced Security Features: HP BIOSphere technology provides hardware-level security with boot verification, customizable authentication, and BIOS-level password protection to safeguard critical business data and system integrity.
- Professional Refurbishment Process: Completely restored by Reboot IT's certified technicians with comprehensive testing of all components, ensuring like-new performance and reliability standards.
How Does the HP ProDesk 400 G3 Perform in Daily Business Use?
The HP ProDesk 400 G3 excels in typical office environments where reliable, consistent performance matters more than cutting-edge specifications. The Intel i3-6320 processor handles multiple office applications simultaneously—you can run Microsoft Office suite, maintain 8-12 browser tabs, stream video content, and manage email clients without noticeable slowdowns. The 8GB DDR4 memory ensures smooth multitasking, while the integrated Intel HD Graphics 530 supports dual monitor setups for enhanced productivity.
For small businesses, home offices, and educational settings, this desktop provides the processing power needed for accounting software, customer relationship management systems, and cloud-based applications. The small form factor design makes it particularly suitable for reception areas, compact workstations, or anywhere desk space is at a premium. Boot times and application loading are responsive thanks to the optimised hardware configuration.
While this system isn't designed for intensive tasks like video editing or 3D rendering, it delivers exactly what most users need: dependable performance for productivity software, internet browsing, document creation, and communication tools. The enterprise-grade components ensure consistent operation even during extended work sessions.
Complete Technical Specifications
| Component | Specification |
|---|---|
| Processor | Intel Core i3-6320 (6th Generation Skylake) - 3.9GHz base frequency, 4MB cache, 2 cores, 4 threads, 14nm process |
| Memory (RAM) | 8GB DDR4-2133 SDRAM (configuration may vary - single or dual channel) |
| Storage | 500GB SATA 7200 RPM hard disk drive |
| Graphics | Intel HD Graphics 530 (integrated) - supports DirectX 12, OpenGL 4.4, up to 1.05GHz dynamic frequency |
| Chassis Type | Small Form Factor (SFF) - horizontal or vertical placement |
| Motherboard | HP proprietary with Intel B150 chipset |
| Expansion Slots | 1x PCIe 3.0 x16, 1x PCIe 3.0 x1, 2x half-height slots |
| USB Ports | 6x USB 3.0 ports (4 rear, 2 front), 4x USB 2.0 ports (rear) |
| Video Output | 1x VGA (D-Sub), 1x DisplayPort 1.2 |
| Audio | Integrated Realtek ALC221 - line in/out, headphone/microphone combo jack |
| Network | Integrated Realtek Gigabit Ethernet (10/100/1000) |
| Wireless | Not included (PCIe slot available for wireless card upgrade) |
| Power Supply | 180W 85% efficiency external power adapter |
| Dimensions | 270 x 95 x 303 mm (W x H x D) |
| Weight | Approximately 4.2 kg |
| Security | HP BIOSphere, TPM 2.0, chassis intrusion detection, Kensington lock slot |
| Operating System | No OS included - Windows 10 compatible, Windows 11 may require workarounds |
| Warranty | 12-month comprehensive warranty by Reboot IT |
Is the HP ProDesk 400 G3 Right for Your Needs?
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✓ Best For: • Office productivity and administrative tasks • Small business point-of-sale systems • Educational computer labs and classrooms • Home office setups with space constraints • Budget-conscious buyers needing reliable performance |
✗ Not Recommended For: • Gaming beyond basic/casual titles • Video editing and content creation • CAD design and 3D rendering applications • Resource-intensive scientific computing • Users requiring latest Windows 11 features |
Understanding Condition Grades and Battery Health
Since this is a desktop computer, battery considerations don't apply, but understanding our condition grading system helps you make an informed purchase decision. All HP ProDesk 400 G3 units undergo the same rigorous refurbishment process regardless of cosmetic grade, ensuring identical performance and reliability across all tiers.
| Grade | Cosmetic Condition | Functional Status |
|---|---|---|
| A — Excellent | Minimal wear, no visible scratches or dents | Full functionality, all ports and features tested |
| B — Good | Light usage marks, minor cosmetic imperfections | Full functionality, all ports and features tested |
| C — Fair | Visible wear consistent with business use | Full functionality, all ports and features tested |
Every desktop computer receives comprehensive component testing including hard drive health verification, memory diagnostics, and thermal performance validation to ensure reliable operation.
Frequently Asked Questions About the HP ProDesk 400 G3
What warranty is included with this HP ProDesk 400 G3?
Every refurbished HP ProDesk 400 G3 includes a comprehensive 12-month warranty provided by Reboot IT, covering all hardware components and ensuring peace of mind with your purchase.
Can this desktop run Windows 11?
While the i3-6320 doesn't officially meet Windows 11's CPU requirements, it may run Windows 11 with workarounds. Windows 10 remains the recommended and fully supported operating system for optimal performance.
How many monitors can I connect simultaneously?
The HP ProDesk 400 G3 supports dual monitor setup using the VGA and DisplayPort outputs simultaneously, allowing extended desktop configurations for enhanced productivity.
Is wireless connectivity included?
Wireless capabilities are not built-in, but the system includes Gigabit Ethernet for wired network connections. A PCIe wireless card can be added if WiFi connectivity is required.
What's the maximum memory this system supports?
The HP ProDesk 400 G3 supports up to 32GB DDR4 memory across two DIMM slots, allowing significant memory expansion for users with demanding applications.
How has this desktop been refurbished?
Each unit undergoes Reboot IT's comprehensive refurbishment process including component testing, cleaning, software restoration, and quality verification by certified technicians before shipment.
Warranty and After-Sales Support
Your HP ProDesk 400 G3 desktop is protected by a comprehensive 12-month warranty provided directly by Reboot IT. This warranty covers all hardware components including the processor, memory, storage, motherboard, and power supply against manufacturing defects and component failure.
Our warranty includes technical support, repair services, and component replacement when necessary. Claims are processed efficiently through our established service network, ensuring minimal downtime for your business operations. This coverage reflects our confidence in the thorough refurbishment process and quality standards applied to every desktop computer.
As Australia's trusted refurbishment specialist since 2001, Reboot IT provides reliable after-sales support backed by extensive experience in enterprise-grade computer restoration and customer service excellence.
Upgradeability and Compatibility Options
The HP ProDesk 400 G3 offers several upgrade pathways to extend its useful life. Memory can be expanded up to 32GB using standard DDR4-2133 SO-DIMMs across two available slots. The 500GB hard drive can be replaced with a faster SSD for improved boot times and application responsiveness. The PCIe x16 slot accommodates low-profile graphics cards for users requiring enhanced display capabilities.
Additional expansion options include PCIe wireless cards for WiFi connectivity and optical drives via the available drive bay. The system's tool-free chassis design simplifies component access for user-serviceable upgrades. While Windows 10 remains the optimal operating system, the hardware supports various Linux distributions for users seeking alternative platforms.
Specifications
Specifications
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Brand
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Model
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Product type
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Video inputsDisplayPort, HDMI
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ProcessorIntel Core i3
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Memory8GB
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Storage capacity320GB-500GB
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Storage typeHDD
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GraphicsIntel UHD Graphics
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Operating systemWindows 10
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ConnectivityUSB 3.0+, DisplayPort, Ethernet Port, No Wireless
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Warranty
What's in the box
What's in the box
EMBRACE THE GREEN SIDE: THE ECO-FRIENDLY MAGIC OF REFURBISHED TECH.
Purchasing refurbished items not only reduces e-waste and conserves trees, but it also decreases carbon emissions. Save money and the planet - it’s a win-win situation. Learn More
Why the ProDesk 400 G3?
Fast i3-6320 Processing
The Intel i3-6320 processor running at 3.9GHz provides responsive performance for everyday business applications and multitasking.
Business-Ready Memory
8GB of DDR4 RAM ensures smooth operation when running multiple business applications simultaneously.
Compact SFF Design
The small form factor design saves valuable desk space while delivering full desktop functionality for modern workplaces.
Full Year Warranty
Backed by a comprehensive 1 year warranty for complete peace of mind with your refurbished desktop investment.
Fast i3-6320 Processing
The Intel i3-6320 processor running at 3.9GHz provides responsive performance for everyday business applications and multitasking.
Business-Ready Memory
8GB of DDR4 RAM ensures smooth operation when running multiple business applications simultaneously.
Compact SFF Design
The small form factor design saves valuable desk space while delivering full desktop functionality for modern workplaces.
Full Year Warranty
Backed by a comprehensive 1 year warranty for complete peace of mind with your refurbished desktop investment.
13 Mar
Order placed
16 Mar - 18 Mar
Dispatched
20 Mar - 22 Mar
Delivered
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How Reboot IT Revitalises and Certifies Refurbished Equipment
Learn moreWELCOME TO REBOOT IT
Australia's number one source for Refurbished Desktops, Laptops, Monitors and more.
Since 2001, Reboot IT has been Australia’s trusted source for certified refurbished computers and IT hardware. Every device is rigorously tested and professionally refurbished to deliver reliable, like-new performance — all at a fraction of the cost of new equipment. With over 100,000 satisfied customers, we combine expert quality with unbeatable value. Shop with confidence knowing your refurbished device comes backed by warranty and supports sustainable tech reuse.

