Lenovo
Lenovo ThinkPad T490s i7-8665U 8GB 512GB 14.0" FHD laptop
A 14.0" FHD IPS business laptop with an Intel Core i7-8665U, 8GB memory and a 512GB PCIe SSD
- ColorBlack
- Operating SystemWindows 10 Pro
- CPU TypeIntel Core i7 8th Gen
- Processor NameIntel Core i7-8665U
- Core NameWhiskey Lake
- Number of CoresQuad-core Processor
- Smooth multitasking with quad-core Intel Core i7-8665U processor
- Fast boot and app loads from 512GB PCIe SSD
- Crisp visuals on 14.0" 1920 x 1080 IPS FHD display
- Ready for business with Windows 10 Pro pre-installed
- Lightweight 14.0" chassis designed for mobile professionals
ThinkPad T490s for mobile professionals
The Lenovo ThinkPad T490s is a 14.0-inch laptop built around an Intel Core i7-8665U quad-core processor running at 1.90GHz with 8MB L3 cache. It ships with Windows 10 Pro, 8GB of system memory and a 512GB PCIe SSD. The non-touch FHD IPS panel resolves 1920 x 1080 and uses integrated Intel UHD Graphics with shared video memory. This configuration suits office workers and students who need a reliable daily driver.
Thermals and power in typical use
The low-power U-series chip and integrated graphics keep heat output modest during document editing, web browsing and video playback. Fan activity stays quiet under light loads, and the 14.0-inch chassis dissipates warmth without aggressive cooling. Battery life benefits from the efficient 1.90GHz processor and the absence of a discrete GPU, supporting a full workday away from a socket.
Build integration and expandability
The 512GB PCIe drive leaves room for local files while the single 8GB memory module occupies one slot, leaving potential for an upgrade if the board allows. Integrated graphics free the system from a dedicated video card, saving space and power. The 14.0-inch footprint fits standard laptop bags and docks, and the Windows 10 Pro licence enables domain join and remote management for IT fleets.
Highlights
- Smooth multitasking with quad-core Intel Core i7-8665U processor
- Fast boot and app loads from 512GB PCIe SSD
- Crisp visuals on 14.0" 1920 x 1080 IPS FHD display
- Ready for business with Windows 10 Pro pre-installed
- Lightweight 14.0" chassis designed for mobile professionals
Specifications
| Brand | Lenovo |
|---|---|
| Series | ThinkPad T490s |
| Model | 20NYS83800 |
| Color | Black |
| Operating System | Windows 10 Pro |
| CPU Type | Intel Core i7 8th Gen |
| Processor Name | Intel Core i7-8665U |
| Core Name | Whiskey Lake |
| Number of Cores | Quad-core Processor |
| CPU L3 Cache | 8 MB |
| Screen Size | 14.0" |
| Touchscreen | Non-Touch Screen |
| Wide Screen Support | Yes |
| Display Type | FHD |
| Resolution | 1920 x 1080 |
| Display Features | IPS |
| GPU/VPU | Intel UHD Graphics |
| Video Memory | Shared system memory |
| Graphic Type | Integrated Card |
| SSD | 512GB PCIe |
| Memory | 8GB |
Questions about this item
How is the soldered 8GB memory installed, and what mistake do buyers make when they try to add more?
The 8GB is soldered to the motherboard, so no SO-DIMM slot exists; the common mistake is purchasing a memory module that cannot be fitted.
Which component will need replacement first when the 512GB PCIe SSD reaches its write endurance limit?
The 512GB PCIe SSD itself is the only user-replaceable storage device; once its write cycles are exhausted the drive must be swapped for a new one.
What thermal limit appears first on the i7-8665U during sustained heavy workloads?
The processor hits its thermal ceiling and reduces clock speeds to stay within its designed power envelope, lowering performance until the load eases.
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