نقبل الدفع بالعملة المشفرة — لذلك يمكن للعملات الرقمية التي تملكها أن تشتري أجهزة حقيقية.ادفع بالعملة المشفرة، وأنفقها على أجهزة حقيقية. شحن مؤمن مجانا إلى كل أنحاء العالم لما يتجاوز 399 US$. صناديق شحن بسيطة بلا علامة تجارية، ترسل من ألمانيا.شحن مؤمن مجانا لما يتجاوز 399 US$. يُقفل سعرك لمدة 30 دقيقة بمجرد فتح صفحة الدفع.السعر مقفل لمدة 30 دقيقة. كل قطعة مختومة، ورقمها التسلسلي متحقق منه، ومشمولة بضمان 24 شهرا.مختوم، وبضمان 24 شهرا.

قائمة الرصد تسجيل الدخول
Black 14-inch Dell Latitude 7490 laptop with non-touch display

DELL

DELL Latitude 14-7490 i7-8650U 16GB 512GB SATA SSD 14 laptop

SKU CH-RNH7-JMD8X

14-inch business laptop with quad-core i7-8650U processor, 16GB DDR4 memory, 512GB SATA SSD and Windows 11 Pro

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • Number of CoresQuad-core Processor
  • CPU L3 Cache8 MB
  • Screen Size14.0"
  • TouchscreenNon-Touch Screen
  • Quad-core i7-8650U at 1.90 GHz for responsive multitasking
  • 16 GB DDR4 memory handles demanding workloads smoothly
  • 512 GB SATA SSD stores files and boots quickly
  • 0 inch 1366 x 768 LED display fits in any bag
  • Windows 11 Pro with 3 x USB 3.0 and HDMI ready for business

Business-class 14-inch laptop

The DELL Latitude 14-7490 is a 14.0-inch business laptop running Windows 11 Pro. It uses a quad-core i7-8650U processor at 1.90GHz with 8MB L3 cache and 16GB DDR4 memory. Integrated Intel HD Graphics drive the 1366 x 768 non-touch display. A 512GB SATA SSD provides storage.

Thermals noise and power in normal use

The system relies on integrated graphics and a low-power U-series processor for everyday office workloads. Fan activity stays modest during document editing, web browsing and video playback. The 14-inch chassis dissipates heat without aggressive airflow. Power draw remains consistent with ultrabook-class efficiency targets.

Sustained load behaviour

Under continuous multi-core load the quad-core CPU maintains clocks within thermal limits. The 16GB DDR4 ceiling matches the factory maximum, so memory-intensive tasks cannot expand beyond installed capacity. Integrated graphics share system memory during prolonged render or compute sessions. The SATA SSD delivers steady throughput without thermal throttling.

أبرز المميزات

  • Quad-core i7-8650U at 1.90 GHz for responsive multitasking
  • 16 GB DDR4 memory handles demanding workloads smoothly
  • 512 GB SATA SSD stores files and boots quickly
  • 0 inch 1366 x 768 LED display fits in any bag
  • Windows 11 Pro with 3 x USB 3.0 and HDMI ready for business

المواصفات

BrandDELL
ModelLatitude 14-7490
Part Number1521739939-RB
ColorBlack
Operating SystemWindows 11 Pro
Number of CoresQuad-core Processor
CPU L3 Cache8 MB
Screen Size14.0"
TouchscreenNon-Touch Screen
Resolution1366 x 768
GPU/VPUIntel HD Graphics
Graphic TypeIntegrated Card
Storage Spec512 GB SATA Hard Drive
Memory16GB
Max Memory Supported16 GB
USB3
HDMI1 x HDMI
Audio PortsYes
Backlit KeyboardNon-backlit
WebcamYes
TypeWorkstation
BatteryLithium-Ion
Dimensions (W x D x H)0.70 x 13.03 x 8.7

إصدارات أخرى من هذا الطراز

5 أخرى من الفئة نفسها

نفس الفئة، بذاكرة أو مبرّد أو تردد مختلف — قارن قبل أن تقرر.

أسئلة حول هذا المنتج

How do I replace the 512 GB SATA drive in the Latitude 14-7490, and which step is often missed?

Remove the base cover, disconnect the battery cable first, then swap the 2.5-inch SATA SSD; people often forget to unplug the battery before removing the drive screws.

What component in this laptop will need replacement first under normal use?

The internal battery is the only user-replaceable part that degrades with charge cycles; the 16 GB DDR4 memory and 512 GB SATA SSD are soldered or fixed at their maximum capacity.

What thermal limit appears first when the i7-8650U runs sustained workloads on this 14.0-inch chassis?

The quad-core 1.90 GHz processor hits its 8 MB cache power ceiling and throttles clock speeds once the integrated Intel HD Graphics and CPU share the same cooling solution.

أيضًا في هذا القسم

عملاء قارنوا هذه المنتجات

نفس القسم، ونفس صفحة الدفع — ثماني عملات رقمية وقفل سعر لمدة 30 دقيقة.