| Processor | Lenovo P51 20HJS3U90B | |
| Processor frequency | 2.8 GHz | |
| Processor cache | 6 MB | |
| Software | Lenovo P51 20HJS3U90B | other notebooks |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo P51 20HJS3U90B | other notebooks |
| Aspect ratio | 16:9 | |
| Contrast ratio | 700:1 | |
| Display brightness | 250 cd/m? | |
| Display diagonal | 15.6 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Display surface | Matt | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics adapter | Yes | |
| Maximum on-board graphics adapter memory | 64 GB | |
| Number of displays supported | 3 | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 350 MHz | |
| On-board graphics adapter dynamic frequency (max) | 1100 MHz | |
| Memory | Lenovo P51 20HJS3U90B | other notebooks |
| Internal memory | 8 GB | |
| Maximum internal memory | 64 GB | |
| Memory clock speed | 2400 MHz | |
| Memory form factor | SO-DIMM | |
| Memory slots | 4x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo P51 20HJS3U90B | other notebooks |
| Storage media | HDD | |
| Total storage capacity | 500 GB | |
| LightScribe | No | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MMC, SD, SDHC, SDXC | |
| Network & Communication | Lenovo P51 20HJS3U90B | other notebooks |
| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | |
| Interfaces/Ports | Lenovo P51 20HJS3U90B | other notebooks |
| HDMI ports quantity | 1 | |
| Combo headphone/mic port | Yes | |
| DC-in jack | Yes | |
| Docking connector | Yes | |
| DVI port | No | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Microphone in | No | |
| Mini DisplayPorts quantity | 1 | |
| SmartCard slot | Yes | |
| USB 3.0 (3.1 Gen 1) Type-A | 4 | |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| USB Sleep-and-Charge | 1 | |
| Input Devices | Lenovo P51 20HJS3U90B | other notebooks |
| Full-size keyboard | Yes | |
| Island-style keyboard | Yes | |
| Keyboard backlit | Yes | |
| Numeric keypad | Yes | |
| Pointing device | ThinkPad UltraNav | |
| Spill resistant keyboard | Yes | |
| Windows keys | Yes | |
| Audio | Lenovo P51 20HJS3U90B | other notebooks |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speaker power | 2 W | |
| Built-in Devices | Lenovo P51 20HJS3U90B | other notebooks |
| Front camera | Yes | |
| Front camera resolution | 1280 x 720 pixels | |
| Front camera signal format | 720p | |
| Power | Lenovo P51 20HJS3U90B | other notebooks |
| AC adapter frequency | 50/60 | |
| AC adapter input voltage | 100 - 240 | |
| AC adapter power | 170 W | |
| Security | Lenovo P51 20HJS3U90B | other notebooks |
| Cable lock slot | Yes | |
| Fingerprint reader | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo P51 20HJS3U90B | other notebooks |
| Brand | Lenovo | |
| Model name | P51 | |
| Part Number | 20HJS3U90B | |
| Product type | Mobile workstation | |
| Form factor | Clamshell | |
| Colour of product | Black | |
| Market positioning | High performance | |
| Housing material | Aluminium, Glass-reinforced plastic (GRP), Magnesium | |
| Depth | 252.3 mm | |
| Width | 377.4 mm | |
| Height (rear) | 2.94 cm | |
| Height (front) | 2.45 cm | |
| Weight | 2.67 kg | |
| Release Date | 2018-07-30 | |
| Battery Information | Lenovo P51 20HJS3U90B | other notebooks |
| Battery type | Lithium Polymer (LiPo) | |
| Battery life | 6.1 h | |