| Model | HP Pro Tower 280 G9 PCI Desktop PC |
| SKU | 8A9T6AA#AKL |
| Processor | Intel® Core™ i5-12500 3.0GHz 18MB 6 cores 65W |
| RAM | 8GB (1x8GB) DDR4 3200 Memory |
| Storage | 256G M.2 2280 PCIe NVMe |
| Graphics (GPU) | Intel® UHD Graphics 770 |
| Optical drive | None |
| Port | Front : |
| 2x USB Type-A 10Gbps signaling rate | |
| 4x USB Type-A 5Gbps signaling rate | |
| 1x headphone/microphone combo | |
| Rear : | |
| 2x USB 2.0 Type-A | |
| 1x HDMI | |
| 1x VGA | |
| 1x RJ-45 | |
| 1x power connector | |
| 1x serial | |
| 1x line in | |
| 1x line out | |
| Expansion Slots | 1x full-height PCI |
| 2x M.2 | |
| 1x PCIe 3 x1 | |
| 1x PCIe 4 x16 | |
| Network | WLAN RT ac2x2 + Bluetooth 5.0 WW |
| Power Supply | P/S 180W ENT20 |
| Keyboard & Mouse | HP Black 125 Wired Mouse & HP 125 BLK Wired Keyboard |
| Operating System (OS) | Windows 11 Pro 64 |
| Dimension | 15.5 x 30.3 x 33.7 cm; (System dimensions may fluctuate due to configuration and manufacturing variances.) |
| Weight | 4.7 kg; (Exact weight depends on configuration.) |
| Warranty | 3 Years Next Business Day Onsite Desktop Only Hardware Support Warranty Extension |