| Processor | Lenovo IdeaPad S540 81SW003JAX | |
| Processor model | i7-8565U | |
| Processor cores | 4 | |
| Processor family | 8th gen Intel Core i7 | |
| Processor frequency | 1.8 GHz | |
| Processor boost frequency | 4.6 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Operating system installed | No | |
| Display & Graphics | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Panel type | IPS | |
| Aspect ratio | 16:9 | |
| Display brightness | 300 cd/m? | |
| Display diagonal | 15.6 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Dual-screen | No | |
| HD type | Full HD | |
| 3D | No | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics adapter | Yes | |
| Discrete graphics adapter memory | 4 GB | |
| Discrete graphics adapter model | NVIDIA GeForce GTX 1650 Max-Q | |
| Discrete graphics memory type | GDDR5 | |
| NVIDIA Max-Q | Yes | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter family | Intel UHD Graphics | |
| On-board graphics adapter model | Intel UHD Graphics 620 | |
| Memory | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Internal memory | 8 GB | |
| Maximum internal memory | 12 GB | |
| Memory clock speed | 2400 MHz | |
| Memory layout (slots x size) | 1 x 4 GB | |
| Memory form factor | On-board SO-DIMM | |
| Memory slots | 1x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| SSD capacity | 128 GB | |
| HDD capacity | 1000 GB | |
| SSD interface | NVMe, PCI Express | |
| HDD interface | SATA III | |
| HDD size | 2.5" | |
| SSD form factor | M.2 | |
| HDD speed | 5400 RPM | |
| Storage media | HDD SSD | |
| Number of SSDs installed | 1 | |
| Number of HDDs installed | 1 | |
| Total SSDs capacity | 128 GB | |
| Total HDDs capacity | 1000 GB | |
| Total storage capacity | 1128 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MMC, SD, SDHC, SDXC | |
| Network & Communication | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Bluetooth version | 4.2 | |
| Ethernet LAN | No | |
| Wi-Fi | Wi-Fi 5 (802.11ac) | |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) | |
| Interfaces/Ports | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| HDMI version | 2.0 | |
| HDMI ports quantity | 1 | |
| Charging port type | DC-in jack | |
| Combo headphone/mic port | Yes | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C | 1 | |
| USB Sleep-and-Charge | 1 | |
| Input Devices | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Keyboard backlit | Yes | |
| Numeric keypad | Yes | |
| Pointing device | Touchpad | |
| Windows keys | Yes | |
| Audio | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Audio system | Dolby Audio | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Speaker power | 2 W | |
| Built-in Devices | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Auto focus | No | |
| Front camera | Yes | |
| Front camera HD type | HD | |
| Front camera resolution | 1 MP | |
| Front camera signal format | 720p | |
| Privacy type | Privacy shutter | |
| Privacy camera | Yes | |
| Power | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| AC adapter power | 90 W | |
| Security | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Fingerprint reader | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Brand | Lenovo | |
| Family | IdeaPad | |
| Series | S | |
| Model name | S540 | |
| Part Number | 81SW003JAX | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Grey | |
| Housing material | Aluminium | |
| EAN/UPC code | 0194552149116 | |
| Depth | 245 mm | |
| Width | 358 mm | |
| Height (rear) | 1.91 cm | |
| Height (front) | 1.9 cm | |
| Weight | 1.8 kg | |
| Release Date | 2019-12-10 | |
| Battery Information | Lenovo IdeaPad S540 81SW003JAX | other notebooks |
| Battery capacity | 52.5 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 12 h | |
| Quick charge | Yes | |
