| Specifications | 
| Product | Desktop | 
| Manufacturer | HP | 
| Model | ProDesk 400G6_7YH40PA | 
| Microprocessor | Intel® Core™ i7-9700 12M cache, up to 4.70 GHz | 
| Chipset | Intel B360 | 
| Graphics card | VGA onboard | 
| Memory | 8Gb DDR4, 2666 MHz (2 slots) Max 64GB | 
| Hard drive | 256GB SSD | 
| Network connection | LAN: Intel® I210-T1 PCIe® GbE; Realtek RTL8111HSH-CG GbE | 
| Optical drive | HP 9.5 mm Slim DVD-Writer Optical Drive | 
| Expansion slots | 1 M.2 2230; 1 M.2 2230/2280; 1 PCIe 3 x16; 2 PCIe 3 x1; One 4-in-1 memory card reader (1 M.2 2230 slot for WLAN and 1 M.2 2230/2280 slot for storage.) | 
| Accessory | Key/mouse | 
| 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 HDMI 2.0; 1 parallel; Combine 1 serial port and 1 serial port and PS/2; 1 USB 3.1 Type-C™ Gen 2 (DisplayPort™); 1 VGA | 
| Operating system | Dos | 
| Designs | case stand | 
| Size | 16.992 x 27.406 x 33.782 cm (W x D x H) | 
| Weight | 5.14kg |