HP Z4 Rack G5 Workstation drivers
15 driver packages HP publishes for the Z4 Rack G5 Workstation, for Windows 11 and 10 64-bit. Newest: Jul 31, 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 |
|---|---|---|
| Intel Professional Graphics Driver | 32.0.101.8517 | Jul 20, 2026 |
| NVIDIA Professional Graphics Driver | 596.72 | Jul 10, 2026 |
| AMD Professional Graphics Driver | 25.10.43 | May 29, 2026 |
| AMD Radeon Graphics Driver | 32.0.11020.16 | Sep 19, 2024 |
Sound cards
| Driver | Version | Date |
|---|---|---|
| Realtek HD Audio Driver for Workstations | 6.0.9937.1 | Jul 31, 2026 |
Network cards (LAN)
| Driver | Version | Date |
|---|---|---|
| Allied Telesis-2914SX/LC LAN Driver | 221.0.8.0 | Jul 6, 2026 |
| Intel Ethernet Drivers | R31.0 | Apr 30, 2026 |
| Intel I219 Network Driver | 12.19.2.66 | Apr 29, 2026 |
| Allied Telesis AT-29M2 Fiber Ethernet Adapter Driver | 3.8.8.0 | Apr 29, 2026 |
| HP 10GBase-T Flex IO Network Adapter Drivers | 3.1.11.0 | Mar 12, 2026 |
| HP 10GBase-T Flex IO v2 Network Adapter Driver | 1127.27.20.919 | Mar 9, 2026 |
| Broadcom BCM5720-2P Network Driver | 221.0.8.0 | Mar 9, 2026 |
| Intel I225 and I226 Network Driver | 2.1.5.7 | Mar 9, 2026 |
| NVIDIA Network Interface Card (NIC) Driver | 25.10.26947.0 | Mar 9, 2026 |
Chipset
| Driver | Version | Date |
|---|---|---|
| Intel Chipset Drivers for Alder Lake S | 10.1.20020.8623 | Feb 4, 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.