| Processor | HP ZBook 15 G3 3KL40US | |
| Processor model | E3-1545MV5 | |
| Processor series | Intel Xeon E3-1500M v5 | |
| Processor socket | BGA 1440 | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Skylake | |
| Processor family | Intel Xeon E3 v5 | |
| Processor frequency | 2.9 GHz | |
| Motherboard chipset | Intel CM236 | |
| Processor boost frequency | 3.8 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 45 W | |
| Display & Graphics | HP ZBook 15 G3 3KL40US | other notebooks |
| Aspect ratio | 16:9 | |
| Display diagonal | 15.6 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Dual-screen | No | |
| HD type | Full HD | |
| 3D | No | |
| LED backlight | Yes | |
| Maximum on-board graphics adapter memory | 64 GB | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 350 MHz | |
| On-board graphics adapter DirectX version | 12.0 | |
| On-board graphics adapter dynamic frequency (max) | 1050 MHz | |
| On-board graphics adapter family | Intel Iris Pro Graphics | |
| On-board graphics adapter model | Intel Iris Pro Graphics P580 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | HP ZBook 15 G3 3KL40US | other notebooks |
| Internal memory | 32 GB | |
| Maximum internal memory | 64 GB | |
| Memory clock speed | 2133 MHz | |
| Memory form factor | SO-DIMM | |
| Memory slots | 4x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | HP ZBook 15 G3 3KL40US | other notebooks |
| SSD capacity | 512 GB | |
| Storage media | SSD | |
| Total SSDs capacity | 512 GB | |
| Total storage capacity | 512 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | SD | |
| Network & Communication | HP ZBook 15 G3 3KL40US | other notebooks |
| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Bluetooth version | 4.0 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Wi-Fi 5 (802.11ac) | |
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n) | |
| Interfaces/Ports | HP ZBook 15 G3 3KL40US | other notebooks |
| HDMI version | 1.4 | |
| HDMI ports quantity | 1 | |
| Charging port type | DC-in jack | |
| Combo headphone/mic port | Yes | |
| VGA (D-Sub) ports | 1 | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Thunderbolt 3 ports quantity | 2 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 3 | |
| Input Devices | HP ZBook 15 G3 3KL40US | other notebooks |
| Numeric keypad | Yes | |
| Pointing device | Touchpad | |
| Windows keys | Yes | |
| Audio | HP ZBook 15 G3 3KL40US | other notebooks |
| Audio system | Bang & Olufsen | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speakers manufacturer | Bang & Olufsen | |
| Built-in Devices | HP ZBook 15 G3 3KL40US | other notebooks |
| HP speaker type | HP Dual Speakers | |
| Front camera | Yes | |
| Power | HP ZBook 15 G3 3KL40US | other notebooks |
| AC adapter power | 150 W | |
| Security | HP ZBook 15 G3 3KL40US | other notebooks |
| Cable lock slot | Yes | |
| Cable lock slot type | Kensington | |
| Trusted Platform Module (TPM) | Yes | |
| Design | HP ZBook 15 G3 3KL40US | other notebooks |
| Brand | HP | |
| Family | ZBook | |
| Series | 15 | |
| Model name | 15 G3 | |
| Part Number | 3KL40US | |
| Product type | Mobile workstation | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Depth | 264 mm | |
| Width | 386 mm | |
| Height | 26 mm | |
| Weight | 2.63 kg | |
| Release Date | 2018-02-11 | |
| Battery Information | HP ZBook 15 G3 3KL40US | other notebooks |
| Battery capacity | 90 Wh | |
| Number of battery cells | 9 | |
