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Green rectangular circuit board with silver processor socket and black component clusters

DELL

DELL Latitude 7290 / 7390 Motherboard i5-8350U 1.7GHz HFXXW

SKU CH-D4M5-02S86

Replacement motherboard with integrated Intel Core i5-8350U quad-core processor at 1.7 GHz base and 3.6 GHz turbo, Intel UHD Graphics 620, Thunderbolt 3 support.

  • TypeLaptop Motherboard
  • Graphics CardIntel UHD Graphics 620
  • Quad-core i5-8350U delivers up to 3.6 GHz turbo performance
  • Integrated Intel UHD Graphics 620 handles everyday visual tasks
  • Thunderbolt 3 over USB-C provides high-speed connectivity
  • Supports DDR4 memory up to 2400 MHz for responsive multitasking
  • Compatible with Dell Latitude 7290 and 7390 models

Dell Latitude 7290/7390 Motherboard

This replacement motherboard integrates an Intel Core i5-8350U processor with a 1.7 GHz base clock and 3.6 GHz turbo boost. It targets technicians repairing Latitude 7290 or 7390 chassis where the original board has failed. The part number HFXXW identifies the exact match for these models.

Thermals Noise Power

The Intel SoC platform combines CPU, graphics and chipset functions to reduce component count and heat output. Integrated UHD Graphics 620 handles display tasks without a discrete GPU, keeping power draw low during typical office workloads. Fan behaviour will follow the laptop's original thermal design.

Build Fit

Dual-channel DDR4 slots accept memory up to 2400 MHz with a 16 GB ceiling dependent on system configuration. Thunderbolt 3 over USB-C provides high-speed I/O and video routing to HDMI. Buyers needing more than 16 GB of RAM or discrete graphics cannot use this board.

Highlights

  • Quad-core i5-8350U delivers up to 3.6 GHz turbo performance
  • Integrated Intel UHD Graphics 620 handles everyday visual tasks
  • Thunderbolt 3 over USB-C provides high-speed connectivity
  • Supports DDR4 memory up to 2400 MHz for responsive multitasking
  • Compatible with Dell Latitude 7290 and 7390 models

Specifications

BrandDELL
SeriesLatitude
Model7290
TypeLaptop Motherboard
Graphics CardIntel UHD Graphics 620

Questions about this item

How do I install the HFXXW motherboard in a Latitude 7290 and which step is most often missed?

Remove the battery first, then disconnect the display cable, thermal assembly, and all board screws; the step most often missed is reapplying thermal paste on the i5-8350U die before refitting the heatsink.

What maintenance or replacement will this board need later?

The CMOS coin cell will eventually need replacement; the integrated i5-8350U and UHD Graphics 620 are soldered and not separately replaceable.

What limit appears first under sustained load on this i5-8350U board?

Thermal throttling at the 3.6 GHz turbo ceiling occurs first because the soldered processor and integrated UHD 620 share the same cooling solution.

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