HP Pro SFF 400 G9 Desktop PC drivers
16 driver packages HP publishes for the Pro SFF 400 G9 Desktop PC, for Windows 11 and 10 64-bit. Newest: Oct 1, 2026.
Each driver page lists the hardware IDs the package supports and the other HP models it is made for. Downloads are the original HP installers. If Windows Update already installed a driver for a device and it works, there is no need to replace it; install a package when a device is missing in Device Manager or misbehaves.
Video cards
| Driver | Version | Date |
|---|---|---|
| NVIDIA Video Driver and Control Panel | 32.0.15.9671 | Oct 1, 2026 |
| AMD Video Driver and Control Panel | 32.0.21030.9002 | Jun 1, 2026 |
| Intel Video Driver and Control Panel | 32.0.101.7077 | Dec 22, 2025 |
| NVIDIA Professional Graphics Driver | 581.42 | Sep 30, 2025 |
Sound cards
| Driver | Version | Date |
|---|---|---|
| Realtek HD Audio Driver | 6.0.10013.1 | Jul 31, 2026 |
Network cards (LAN)
| Driver | Version | Date |
|---|---|---|
| Intel NIC Drivers | 12.19.2.66 | Mar 26, 2026 |
Wi-Fi adapters
| Driver | Version | Date |
|---|---|---|
| Realtek RTL8xxx Wireless LAN Drivers | 6102.24.143.0/6001 | Apr 27, 2026 |
| Intel WLAN Driver | 24.30.1.1 | Mar 31, 2026 |
Bluetooth
| Driver | Version | Date |
|---|---|---|
| Realtek RTL8xxx Series Bluetooth Driver | 1.0.0.182 | Apr 29, 2026 |
| Intel Bluetooth Driver | 24.30.1.1 | Apr 14, 2026 |
Chipset
| Driver | Version | Date |
|---|---|---|
| Intel Management Engine Driver | 2613.9.28.0 | Jun 29, 2026 |
| Intel Innovation Platform Framework | 2.3.20303.5058 | Mar 30, 2026 |
| Intel Chipset Device Software | 10.1.19899.8597 | Jul 7, 2025 |
SATA / RAID
| Driver | Version | Date |
|---|---|---|
| Intel Rapid Storage Technology (RST) Driver | 20.2.6.1025 | May 14, 2026 |
Ports (COM / LPT)
| Driver | Version | Date |
|---|---|---|
| SUNIX Parallel Card Driver | 10.3.1.0 | May 13, 2026 |
| Prolific USB-to-Serial Comm Port Driver | 5.2.10.2 | Dec 15, 2025 |
Which driver is for which device?
Device Manager shows a device without a driver under Other devices. Its hardware ID tells you which package above it belongs to (how to find the ID); paste it into the search to go straight to the matching drivers.