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DELL

DELL Latitude 7490 laptop i7 8th Gen i7-8650U Quad 4.2GHz 16GB 512GB 14 FHD

SKU CH-ZFBW-A75F7

A 14-inch business laptop with a quad-core Intel Core i7 processor, 16GB memory and a 512GB SSD running Windows 10 Pro

  • ColorGray
  • Operating SystemWindows 10 Pro
  • CPU TypeIntel Core i7 8th Gen
  • Processor NameIntel Core i7-8650U
  • Core NameCoffee Lake
  • Turbo Frequency4.20 GHz
  • Quad-core i7-8650U reaches 4.20 GHz turbo for responsive multitasking
  • 16 GB memory and 512 GB SSD keep apps and files instantly accessible
  • 0-inch 1920 x 1080 FHD non-touch display delivers crisp visuals
  • 11ac wireless plus HDMI and USB Type-C ports connect peripherals easily
  • Weighs 1.4 kg at 17.9 mm thin for comfortable all-day mobility

Business laptop for mobile professionals

The Dell Latitude 7490 is a 14.0-inch Windows 10 Pro notebook built around an Intel Core i7-8650U quad-core processor that reaches 4.20 GHz on turbo. Sixteen gigabytes of memory and a 512 GB SSD give enough headroom for office suites, browser-heavy workflows and light virtualisation. The non-touch FHD panel keeps glare low during long sessions. It suits buyers who need a compact, managed fleet device rather than a gaming or creative workstation.

Thermals and acoustics in daily use

At 1.4 kg and a profile between 0.69 and 0.70 inches, the chassis stays quiet during typical productivity loads such as email, documents and video calls. The integrated graphics share system memory, so power draw remains modest and the fan rarely spins up to an audible level. Battery life benefits from the low-base 1.9 GHz clock and efficient 802.11ac wireless. Users who require sustained silent operation in quiet rooms will find the default behaviour acceptable.

Behaviour under sustained load

When all four cores hold turbo frequencies the compact cooling solution must dissipate heat in a 331 mm by 220.9 mm footprint, so surface temperatures rise and the fan ramps to a noticeable but not intrusive level. Throttling appears only after extended multi-threaded tasks such as large compiles or data exports, not during short bursts. The 512 GB SSD maintains consistent throughput without thermal slowdown. Buyers who run continuous heavy compute should verify thermal limits for their specific workload.

商品特色

  • Quad-core i7-8650U reaches 4.20 GHz turbo for responsive multitasking
  • 16 GB memory and 512 GB SSD keep apps and files instantly accessible
  • 0-inch 1920 x 1080 FHD non-touch display delivers crisp visuals
  • 11ac wireless plus HDMI and USB Type-C ports connect peripherals easily
  • Weighs 1.4 kg at 17.9 mm thin for comfortable all-day mobility

商品規格

BrandDELL
SeriesLatitude
ModelLatitude 7490 Laptop
Part NumberLatitude 7490 Laptop
ColorGray
Operating SystemWindows 10 Pro
CPU TypeIntel Core i7 8th Gen
Processor NameIntel Core i7-8650U
Core NameCoffee Lake
Turbo Frequency4.20 GHz
Number of Cores4
Screen Size14.0"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
Graphic TypeIntegrated Card
SSD512GB
HDDNo
Memory16GB
WLAN802.11ac Wireless LAN
BluetoothYes
TouchpadYes
Backlit KeyboardBacklit
WebcamYes
StyleStandard
TypeWorkstation
UsageBusiness

其他版本

同系列還有 5 款

同系列產品,記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

How do I install the 512GB SSD into the Latitude 7490, and which step is most often missed?

The 512GB SSD fits into the internal M.2 slot; the step most people miss is removing the bottom cover screws before lifting the panel to reach the slot.

What maintenance or replacement will the 16GB memory need later?

The 16GB memory is soldered to the board, so it cannot be upgraded or replaced separately; only a full board swap would change capacity.

Which limit appears first on the i7-8650U during sustained loads?

The 15W TDP thermal ceiling throttles the quad-core 1.9GHz base clock long before the 4.2GHz turbo can be sustained.

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