| Processor | HP ZBook Firefly G9 5G355ES | |
| Processor manufacturer | Intel | |
| Processor model | i7-1255U | |
| Processor cores | 10 | |
| Processor family | Intel Core i7 | |
| Processor boost frequency | 4.7 GHz | |
| Processor cache | 12 MB | |
| Software | HP ZBook Firefly G9 5G355ES | other notebooks |
| Operating system installed | Windows 11 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | HP ZBook Firefly G9 5G355ES | other notebooks |
| Panel type | IPS | |
| Display brightness | 400 cd/m? | |
| Display diagonal | 16 inch | |
| Display resolution | 1920 x 1200 pixels | |
| HD type | WUXGA | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics memory type | GDDR6 | |
| Memory | HP ZBook Firefly G9 5G355ES | other notebooks |
| Internal memory | 32 GB | |
| Maximum internal memory | 64 GB | |
| Memory clock speed | 4800 MHz | |
| Memory layout (slots x size) | 2 x 16 GB | |
| Memory form factor | SO-DIMM | |
| Internal memory type | DDR5-SDRAM | |
| Storage | HP ZBook Firefly G9 5G355ES | other notebooks |
| SSD capacity | 1000 GB | |
| SSD interface | PCI Express | |
| SSD form factor | M.2 | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total SSDs capacity | 1000 GB | |
| Total storage capacity | 1000 GB | |
| Optical drive type | No | |
| Network & Communication | HP ZBook Firefly G9 5G355ES | other notebooks |
| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Bluetooth version | 5.2 | |
| Ethernet LAN | No | |
| Wi-Fi | Wi-Fi 6E (802.11ax) | |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) | |
| WLAN | Intel Wi-Fi 6E AX211 | |
| Interfaces/Ports | HP ZBook Firefly G9 5G355ES | other notebooks |
| HDMI version | 2.0b | |
| HDMI ports quantity | 1 | |
| Combo headphone/mic port | Yes | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| USB Power Delivery | Yes | |
| USB Type-C DisplayPort Alternate Mode | Yes | |
| Input Devices | HP ZBook Firefly G9 5G355ES | other notebooks |
| Keyboard backlit | Yes | |
| Numeric keypad | Yes | |
| Pointing device | Clickpad | |
| Audio | HP ZBook Firefly G9 5G355ES | other notebooks |
| Audio system | Bang & Olufsen | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Built-in Devices | HP ZBook Firefly G9 5G355ES | other notebooks |
| HP speaker type | HP Dual Speakers | |
| HP front camera | HP Webcam HD IR | |
| Front camera | Yes | |
| Front camera HD type | HD | |
| Infrared camera | Yes | |
| Design | HP ZBook Firefly G9 5G355ES | other notebooks |
| Product type | Mobile workstation | |
| Form factor | Clamshell | |
| Product colour | Grey | |
| Market positioning | Performance | |
| Depth | 250.9 mm | |
| Width | 358.7 mm | |
| Height | 19.9 mm | |
| Weight | 1.8 kg | |
| Battery Information | HP ZBook Firefly G9 5G355ES | other notebooks |
| Battery capacity | 76 Wh | |
| Battery type | Lithium Polymer (LiPo) | |
| Number of battery cells | 6 | |
