| 2nd Hard Drive Type, Media Type, Optical Drive | None |
| A00042 | Upgradable |
| A06201 | SSD |
| Brand | HP, HP Inc. |
| Cache Memory / Installed Size, Cache Memory / Per Processor Size, RAM Size | 4 |
| Capacity, Hard Drive Size | 256 |
| Chipset | AMD B350 FCH |
| Depth | 17.5 |
| Display Type | None. |
| ECC Support | Non-ECC |
| ENERGY STAR Qualified, HDCP compatible, Wi-Fi | Yes |
| Form Factor | SO-DIMM 260-pin, Ultra small form factor |
| Form Factor (Specific) | Mini desktop |
| Graphics Processor | AMD Radeon Vega 3 |
| Hard Drive Features | NVM Express (NVMe) |
| Hard Drive Interface, HDD Interface Class | PCI Express |
| Height | 3.42 |
| Keyboard / Keyboard Layout | QWERTY |
| Keyboard Localization | US |
| Language | English |
| Manufacturer Selling Program | HP Smart Buy |
| Max Monitors Supported | 3 |
| Model | 405 G4 |
| Multi-Core Technology | Dual-Core |
| Networking / Data Link Protocol | Fast Ethernet, IEEE 802.11b, IEEE 802.11ac, IEEE 802.11g, Gigabit Ethernet, Ethernet, IEEE 802.11n |
| Networking / Data Link Protocol, Wireless Protocols | Bluetooth 5.0 |
| On-Site Warranty | On-site |
| Operating System | Windows 10 Pro 64-bit Edition |
| Operating System (Edition) | Windows 10 Pro |
| Operating System (Family) | Windows 10 |
| Optical Drive | No optical drive |
| Packaged Quantity, Processors Max Qty, Processors Qty, RAM / Empty Slots | 1 |
| Processor Manufacturer | AMD |
| Processor Number | 200GE |
| Processor Socket | Socket AM4 |
| Processor Speed | 3.2 |
| Processor Type | Athlon PRO |
| Product Color | Black, Silver |
| Product Line | HP ProDesk |
| Product Type | Personal computer |
| RAM / Features | Unbuffered |
| RAM / Max Supported Size | 32 |
| RAM / Slots Qty | 2 |
| RAM Technology | DDR4 SDRAM |
| Region | United States |
| Service Type | 3-year warranty |
| Shipping Depth | 12.8 |
| Shipping Height | 22.3 |
| Shipping Weight | 3.34 |
| Shipping Width | 49.7 |
| Software / Type | Ivanti Management Suite, HP Manageability & Integration Kit Gen2 (free download), HP BIOSphere Gen4, HP Client Security Manager Gen4, HP Client Catalog, HP Secure Erase, HP Drive Packs (free download), HP System Software Manager, HP Recovery Manager, HP Support Assistant, HP BIOS Config Utility, HP JumpStart, HP Hotkey Support, HP Privacy Settings, HP Setup Integrated OOBE, HP Sure Click |
| Speed | 2666 |
| Video Output / Graphics Processor Series | AMD Radeon Vega |
| Weight | 1.25 |
| Width | 17.7 |
| Wireless Protocols | 802.11b/g/n/ac |