The HP ProOne 600 G4 delivers reliable all-in-one computing power in a sleek, space-saving design. This 21.5-inch desktop solution combines functionality with convenience, making it an ideal choice for both business environments and home offices.
This all-in-one computer is well-suited for offices seeking to maximize desk space without compromising functionality. The integrated design eliminates cable clutter while providing all essential computing capabilities. With expandable memory slots and solid-state storage, this system handles document processing, web browsing, email management, and light productivity applications with ease. The built-in webcam and wireless connectivity make it particularly valuable for remote work scenarios and video communications.
When you choose this refurbished HP ProOne, you're getting a reliable computing solution backed by our commitment to quality. Each unit undergoes a meticulous testing and inspection process to ensure optimal performance and reliability.
With over 250,000 happy customers, we've built our reputation on delivering value and dependability. Our rigorous 25+ point certification process ensures that every system meets our high standards before reaching your workspace.
Windows 10 devices are not eligible to be upgraded to Windows 11. End of Service for Windows 10 will be on October 14, 2025.

| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
| Processor | Intel Pentium Gold G5400 3.70GHz |
|---|---|
| Memory | 8GB DDR4 |
| Storage | 256GB NVMe SSD |
| Screen Size | 21.5" |
| Max Resolution | 1920 x 1080 (FHD) |
| Total Memory Slots | 2 |
| Optical Drive | DVD |
| Network Connections | Gigabit Ethernet Wi-Fi 802.11a/b/g/n/ac Bluetooth 4.2 |
| Webcam | Yes |
| USB Ports | 4 (3.1 Gen 1) 1 (2.0) Type-C |
| VGA Port(s) | 0 |
| DVI Port(s) | 0 |
| HDMI Port(s) | 0 |
| S-Video Port(s) | 0 |
| Firewire Port(s) | 0 |
| DisplayPort(s) | 1 |
| Mini DisplayPort(s) | 0 |
| eSATA Port(s) | 0 |
| SD Card Reader | Yes |
| PS/2 Port(s) | 0 |
| Serial Port(s) | 0 |
| Touchscreen | No |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.




The HP ProOne 600 G4 delivers reliable all-in-one computing power in a sleek, space-saving design. This 21.5-inch desktop solution combines functionality with convenience, making it an ideal choice for both business environments and home offices.
This all-in-one computer is well-suited for offices seeking to maximize desk space without compromising functionality. The integrated design eliminates cable clutter while providing all essential computing capabilities. With expandable memory slots and solid-state storage, this system handles document processing, web browsing, email management, and light productivity applications with ease. The built-in webcam and wireless connectivity make it particularly valuable for remote work scenarios and video communications.
When you choose this refurbished HP ProOne, you're getting a reliable computing solution backed by our commitment to quality. Each unit undergoes a meticulous testing and inspection process to ensure optimal performance and reliability.
With over 250,000 happy customers, we've built our reputation on delivering value and dependability. Our rigorous 25+ point certification process ensures that every system meets our high standards before reaching your workspace.

| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
| Processor | Intel Pentium Gold G5400 3.70GHz |
|---|---|
| Memory | 8GB DDR4 |
| Storage | 256GB NVMe SSD |
| Screen Size | 21.5" |
| Max Resolution | 1920 x 1080 (FHD) |
| Total Memory Slots | 2 |
| Optical Drive | DVD |
| Network Connections | Gigabit Ethernet Wi-Fi 802.11a/b/g/n/ac Bluetooth 4.2 |
| Webcam | Yes |
| USB Ports | 4 (3.1 Gen 1) 1 (2.0) Type-C |
| VGA Port(s) | 0 |
| DVI Port(s) | 0 |
| HDMI Port(s) | 0 |
| S-Video Port(s) | 0 |
| Firewire Port(s) | 0 |
| DisplayPort(s) | 1 |
| Mini DisplayPort(s) | 0 |
| eSATA Port(s) | 0 |
| SD Card Reader | 0 |
| PS/2 Port(s) | 0 |
| Serial Port(s) | 0 |
| Touchscreen | 0 |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.



