| Processor Lenovo IdeaPad S540 81QX0005US |
| Processor manufacturer: | Intel |
| Processor model: | i7-8565U |
| Processor socket: | BGA 1528 |
| Processor threads: | 8 |
| Processor cores: | 4 |
| Processor codename: | Whiskey Lake |
| Processor family: | 8th gen Intel Core i7 |
| Processor frequency: | 1.8 GHz |
| Motherboard chipset: | Intel SoC |
| Processor boost frequency: | 4.6 GHz |
| Processor cache: | 8 MB |
| Thermal Design Power (TDP): | 15 W |
| Software Lenovo IdeaPad S540 81QX0005US |
| Operating system installed: | Windows 10 Home |
| Operating system architecture: | 64-bit |
| Display & Graphics Lenovo IdeaPad S540 81QX0005US |
| Panel type: | IPS |
| Display diagonal: | 14 inch |
| Display resolution: | 1920 x 1080 pixels |
| Dual-screen: | No |
| HD type: | Full HD |
| 3D: | No |
| LED backlight: | Yes |
| Touchscreen: | No |
| Maximum on-board graphics adapter memory: | 32 GB |
| On-board graphics adapter: | Yes |
| On-board graphics adapter base frequency: | 300 MHz |
| On-board graphics adapter DirectX version: | 12.0 |
| On-board graphics adapter dynamic frequency (max): | 1150 MHz |
| On-board graphics adapter family: | Intel UHD Graphics |
| On-board graphics adapter model: | Intel UHD Graphics |
| On-board graphics adapter OpenGL: | 4.5 |
| Memory Lenovo IdeaPad S540 81QX0005US |
| Internal memory: | 8 GB |
| Maximum internal memory: | 12 GB |
| Memory clock speed: | 2400 MHz |
| Memory form factor: | On-board SO-DIMM |
| Memory slots: | 1x SO-DIMM |
| Internal memory type: | DDR4-SDRAM |
| Storage Lenovo IdeaPad S540 81QX0005US |
| SSD capacity: | 512 GB |
| Storage media: | SSD |
| Number of SSDs installed: | 1 |
| Total SSDs capacity: | 512 GB |
| Total storage capacity: | 512 GB |
| Optical drive type: | No |
| Card reader integrated: | Yes |
| Compatible memory cards: | MMC, SD, SDHC, SDXC |
| Network & Communication Lenovo IdeaPad S540 81QX0005US |
| Antenna type: | 2x2 |
| Bluetooth: | Yes |
| Bluetooth version: | 4.2 |
| Ethernet LAN: | No |
| Wi-Fi: | Yes |
| Wi-Fi standards: | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Input Devices Lenovo IdeaPad S540 81QX0005US |
| Keyboard backlit: | Yes |
| Numeric keypad: | No |
| Pointing device: | Touchpad |
| Windows keys: | Yes |
| Audio Lenovo IdeaPad S540 81QX0005US |
| 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 81QX0005US |
| Front camera: | Yes |
| Front camera HD type: | HD |
| Front camera resolution: | 1 MP |
| Front camera signal format: | 720p |
| Power Lenovo IdeaPad S540 81QX0005US |
| AC adapter frequency: | 50 - 60 Hz |
| AC adapter input voltage: | 100 - 240 V |
| Security Lenovo IdeaPad S540 81QX0005US |
| Fingerprint reader: | Yes |
| Password protection: | Yes |
| Trusted Platform Module (TPM): | Yes |
| Design Lenovo IdeaPad S540 81QX0005US |
| Brand: | Lenovo |
| Family: | IdeaPad |
| Series: | S |
| Model name: | S540 |
| Part Number: | 81QX0005US |
| Product type: | Notebook |
| Form factor: | Clamshell |
| Product colour: | Grey |
| EAN/UPC code: | 0193386452263, 193386452263 |
| Release Date: | 02 April 2019 |
| Battery Information Lenovo IdeaPad S540 81QX0005US |
| Battery type: | Lithium-Ion (Li-Ion) |
