| Processor Lenovo ThinkPad P51 20HJS2FK00 | 
| Motherboard chipset: | Intel CM238 | 
| Software Lenovo ThinkPad P51 20HJS2FK00 | 
| Operating system installed: | Windows 10 Pro | 
| Operating system architecture: | 64-bit | 
| Display & Graphics Lenovo ThinkPad P51 20HJS2FK00 | 
| Panel type: | IPS | 
| Aspect ratio: | 16:9 | 
| Display diagonal: | 15.6 inch | 
| Display surface: | Matt | 
| LED backlight: | Yes | 
| Memory Lenovo ThinkPad P51 20HJS2FK00 | 
| Internal memory: | 32 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 ThinkPad P51 20HJS2FK00 | 
| Total storage capacity: | 1000 GB | 
| Optical drive type: | No | 
| Card reader integrated: | Yes | 
| Compatible memory cards: | MMC, SD, SDHC, SDXC | 
| Network & Communication Lenovo ThinkPad P51 20HJS2FK00 | 
| Bluetooth: | Yes | 
| Bluetooth version: | 4.1 | 
| 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 Lenovo ThinkPad P51 20HJS2FK00 | 
| HDMI version: | 1.4b | 
| HDMI ports quantity: | 1 | 
| Charging port type: | DC-in jack | 
| Headphone outputs: | 1 | 
| Combo headphone/mic port: | Yes | 
| Docking connector: | Yes | 
| DVI port: | No | 
| Ethernet LAN (RJ-45) ports: | 1 | 
| Microphone in: | No | 
| Mini DisplayPorts quantity: | 1 | 
| Thunderbolt 3 ports quantity: | 1 | 
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A: | 4 | 
| USB Sleep-and-Charge: | 1 | 
| Input Devices Lenovo ThinkPad P51 20HJS2FK00 | 
| Full-size keyboard: | Yes | 
| Numeric keypad: | Yes | 
| Pointing device: | ThinkPad UltraNav | 
| Spill resistant keyboard: | Yes | 
| Windows keys: | Yes | 
| Audio Lenovo ThinkPad P51 20HJS2FK00 | 
| Audio chip: | Realtek ALC3268 | 
| Built-in microphone: | Yes | 
| Number of speakers: | 2 | 
| Number of microphones: | 2 | 
| Speaker power: | 2 W | 
| Built-in Devices Lenovo ThinkPad P51 20HJS2FK00 | 
| Front camera: | Yes | 
| Front camera HD type: | HD | 
| Front camera resolution: | 1280 x 720 pixels | 
| Front camera signal format: | 720p | 
| Power Lenovo ThinkPad P51 20HJS2FK00 | 
| AC adapter frequency: | 50 - 60 Hz | 
| AC adapter input voltage: | 100 - 240 V | 
| AC adapter power: | 170 W | 
| Security Lenovo ThinkPad P51 20HJS2FK00 | 
| Cable lock slot: | Yes | 
| Fingerprint reader: | Yes | 
| Password protection: | Yes | 
| Trusted Platform Module (TPM): | Yes | 
| Design Lenovo ThinkPad P51 20HJS2FK00 | 
| Brand: | Lenovo | 
| Family: | ThinkPad | 
| Series: | P | 
| Model name: | P51 | 
| Part Number: | 20HJS2FK00 | 
| Product type: | Mobile workstation | 
| Form factor: | Clamshell | 
| Product colour: | Black | 
| Market positioning: | High performance | 
| Housing material: | Aluminium, Glass fiber, 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: | 2018-03-24 | 
| Battery Information Lenovo ThinkPad P51 20HJS2FK00 | 
| Battery type: | Lithium Polymer (LiPo) |