| Processor | Lenovo ThinkPad E490 20N9S0TA00 | |
| Processor manufacturer | Intel | |
| Processor model | i7-8565U | |
| Processor socket | BGA 1528 | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Whiskey Lake | |
| Processor family | Intel Core i7 | |
| Processor frequency | 1.8 GHz | |
| Processor boost frequency | 4.6 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Display & Graphics | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Display diagonal | 14 inch | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Memory | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Internal memory | 16 GB | |
| Maximum internal memory | 32 GB | |
| Memory clock speed | 2400 MHz | |
| Memory form factor | SO-DIMM | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| 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 | MicroSD (TransFlash) | |
| Network & Communication | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| 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 E490 20N9S0TA00 | other notebooks |
| HDMI version | 1.4b | |
| HDMI ports quantity | 1 | |
| Charging port type | USB Type-C | |
| Combo headphone/mic port | Yes | |
| Ethernet LAN (RJ-45) ports | 1 | |
| USB 2.0 | 1 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C | 1 | |
| USB Power Delivery | Yes | |
| USB Sleep-and-Charge | 1 | |
| USB Type-C DisplayPort Alternate Mode | Yes | |
| Input Devices | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Numeric keypad | No | |
| Pointing device | ThinkPad UltraNav | |
| Spill resistant keyboard | Yes | |
| Audio | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Audio chip | Conexant CX11880 | |
| Audio system | Dolby Advanced Audio | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speaker power | 1.5 W | |
| Built-in Devices | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Front camera | Yes | |
| Front camera HD type | HD | |
| Security | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Cable lock slot | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Depth | 242 mm | |
| Width | 329 mm | |
| Weight | 1.75 kg | |
| Battery Information | Lenovo ThinkPad E490 20N9S0TA00 | other notebooks |
| Battery capacity | 45 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 13 h | |
