| Specifications | 
| Product | Desktop | 
| Manufacturer | HP | 
| Model | ProDesk 400G6SFF_8JT71PA | 
| Microprocessor | Intel® Core™ i5-9500 Processor 9M Cache, up to 4.40 GHz | 
| Chipset | Intel B360 | 
| Graphics card | VGA onboard | 
| Memory | 4Gb Up to 32GB DDR4-2666 Unbuffered Memory (UDIMM) / 2 slot | 
| Hard drive | 128Gb SSD | 
| Network connection | LAN: Intel® I210-T1 PCIe® GbE; Realtek RTL8111HSH-CG GbE | 
| Optical drive | HP 9.5 mm Slim DVD-Writer Optical Drive | 
| Accessory | Key/mouse | 
| Expansion slots | 1 M.2 2230; 1 M.2 2230/2280; 1 PCIe 3 x1; 1 PCIe 3 x16; A 4 in 1 . memory card reader | 
| (Slot 1 M.2 for WLAN and slot 1 M.2 2230/2280 for storage.) | 
| Port communication | Front: 1 headphone connector; 2 USB 3.1 Gen 1 | 
| Rear: 1 sound in; 1 sound output; 1 DisplayPort™ 1.2; 1 power connector; 1 RJ-45; 1 VGA; 2 USB 3.1 Gen 1; 4 USB 2.0 | 
| Optional: 1 DisplayPort™ 1.2; 1 VGA; Combine 1 serial port and 1 serial port and PS/2; 1 HDMI 2.0; 1 USB 3.1 Type-C™ Gen 2 (DisplayPort™) | 
| Operating system | Dos | 
| Designs | case | 
| Size | 27 x 29.6 x 9.5 cm | 
| Weight | 4,6 kg |