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Lenovo

Lenovo ThinkPad T490s i7-8665U 8GB 512GB 14.0" FHD laptop

SKU CH-7HMP-KKBN1

A 14.0" FHD IPS business laptop with an Intel Core i7-8665U, 8GB memory and a 512GB PCIe SSD

  • Screen size14.0 in (35.6 cm)
  • ProcessorIntel Core i7 8th Gen
  • Graphics processorIntel UHD Graphics
  • Memory size8 GB
  • SSD storage512 GB PCIe
  • Display resolution1920 × 1080
  • 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.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $366.99
Cheaper than about 73% of the 32,549 comparable items (median $599.99).
Screen size 14.0 in (35.6 cm)
Lower than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 8 GB
Lower than about 80% of the 30,127 comparable items (median 16 GB).

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Specifications

Product
Brand nameLenovo
Product lineThinkPad T490s
Model name20NYS83800
Product colorBlack
Processor
ProcessorIntel Core i7 8th Gen
Processor modelIntel Core i7-8665U
CPU coresQuad-core Processor
Processor codenameWhiskey Lake
L3 cache size8 MB
Memory
Memory size8 GB
Storage
SSD storage512 GB PCIe
Display
Screen size14.0 in (35.6 cm)
Display resolution1920 × 1080
Touch inputNon-Touch Screen
Widescreen compatibleYes
Display formatFHD
Screen featuresIPS
Graphics
Graphics processorIntel UHD Graphics
Video RAMShared system memory
Graphics typeIntegrated Card
Software
Operating systemWindows 10 Pro

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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