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Blue rectangular laptop motherboard with integrated Intel Core i5-8265U CPU, part VFMW4, board LA-G712P

DELL

DELL Inspiron 3580 3780 Motherboard i5-8265U 1.6GHz LA-G712P VFMW4 laptop replacement part

SKU CH-5FWD-27TFB

Replacement motherboard with integrated Intel i5-8265U 1.6 GHz CPU for Dell Inspiron 15 3580 and 17 3780 laptops

  • Compatible brandsFor Dell
  • Supported modelsFor Dell Inspiron 15 3580, Inspiron 17 3780 Series
  • Product colorBlue
  • Genuine Dell OEM board with integrated Intel i5-8265U CPU
  • Quad-Core 1.6 GHz processor boosts to 3.9 GHz for responsive multitasking
  • Fits Dell Inspiron 15 3580 and Inspiron 17 3780 series precisely
  • Supports DDR4 memory and M.2 storage for faster system performance
  • Integrated Intel UHD Graphics 620 drives crisp visual output

Dell Inspiron 3580 3780 motherboard with i5-8265U

This genuine Dell OEM motherboard integrates an Intel Core i5-8265U processor running at 1.6 GHz with Turbo Boost up to 3.9 GHz. It is built as a direct replacement for the system board in Dell Inspiron 15 3580 and Inspiron 17 3780 laptops. The board carries part number VFMW4 and engineering code LA-G712P for exact model matching.

Thermals noise and power draw in normal use

The integrated i5-8265U is a 15 W class quad-core chip designed for energy-efficient everyday computing. In typical office workloads the processor stays near its base frequency, keeping heat output modest and fan activity low. Integrated Intel UHD Graphics 620 handles display duties without a separate GPU adding thermal load.

Behaviour under sustained load rather than a short

Under continuous multi-threaded work the CPU can sustain higher frequencies up to the 3.9 GHz Turbo limit within its power envelope. The board supports DDR4 memory and M.2 SSDs so storage and memory throughput scale with the workload. Builders needing a discrete graphics option or a different socket layout should look elsewhere.

How it compares

Measured against everything we stock in Laptop Repair Parts, at today’s prices. Recalculated every night.

Price $35.99
Typical for this category: the median of 1,151 items is $33.99.

Specifications

Product
Brand nameDell
Model nameInspiron 3580 3780
Part numberVFMW4
Product colorBlue
Compatibility
Compatible brandsFor Dell
Supported modelsFor Dell Inspiron 15 3580, Inspiron 17 3780 Series

Questions about this item

How do I install the LA-G712P motherboard in my Inspiron 3580 without damaging the factory-aligned connectors?

Align the board with the chassis standoffs first, then press the factory-aligned connectors straight down until they seat; forcing them at an angle bends the pins and prevents the i5-8265U from posting.

What maintenance will the integrated i5-8265U and UHD Graphics 620 need after a year of daily use?

Clean the heatsink fins and replace the thermal paste on the CPU die annually; the integrated graphics share the same cooling path, so dried paste raises both processor and GPU temperatures.

What limit appears first when the i5-8265U runs at 3.9 GHz turbo on DDR4 memory for long renders?

The shared thermal budget of the integrated UHD Graphics 620 and CPU cores hits the firmware throttle point first, capping clocks below the 3.9 GHz maximum until the chassis cools.

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