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Green Dell laptop motherboard with soldered Core i3 7020U 2.3GHz chip

DELL

DELL Inspiron 3581 3781 Motherboard Core i3-7020U 2.3GHz M5KN5

SKU CH-41RS-YZHMD

Genuine Dell OEM replacement motherboard with on-board Intel Core i3-7020U 2.3GHz dual-core CPU for Inspiron 3581 and 3781 laptops using integrated graphics

  • Genuine Dell OEM board for reliable repair
  • On-board Core i3-7020U at 2.3 GHz ready to install
  • Fits Inspiron 3581 with integrated graphics
  • Fits Inspiron 3781 with integrated graphics
  • Exact match for Dell part number M5KN5

Dell Inspiron 3581 3781 Motherboard

This genuine Dell OEM system board includes an on-board Intel Core i3-7020U dual-core CPU running at 2.3 GHz. It serves as a direct replacement for the mainboard in Dell Inspiron 3581 and 3781 laptops that use integrated Intel graphics. The part number is M5KN5.

Fits Integrated Graphics Models Only

The board is designed for the UMA graphics configuration found in specific Inspiron 3581 and 3781 units. It frees the repair technician from sourcing a separate processor because the CPU is already soldered to the board. Builders must verify their laptop uses integrated graphics before ordering, as this board will not fit discrete-graphics variants.

Sustained Operation With Soldered CPU

Because the processor is permanently attached, thermal performance depends entirely on the laptop's original cooling assembly and chassis airflow. Under continuous load the dual-core chip will throttle according to the system's firmware and heatsink capacity. No discrete GPU is present, so graphics workloads share the same thermal envelope as the CPU cores.

特長

  • Genuine Dell OEM board for reliable repair
  • On-board Core i3-7020U at 2.3 GHz ready to install
  • Fits Inspiron 3581 with integrated graphics
  • Fits Inspiron 3781 with integrated graphics
  • Exact match for Dell part number M5KN5

仕様

BrandDELL

この商品に関する質問

What limits sustained performance on this M5KN5 board with the i3-7020U?

The on-board Intel Core i3-7020U dual-core CPU runs at a fixed 2.3 GHz; thermal limits of the original Dell chassis will throttle clocks first under continuous load.

How loud or hot does this motherboard get during all-day operation?

The 2.3 GHz i3-7020U produces modest heat; the Dell Inspiron 3581 or 3781 fan and heatsink keep noise low and temperatures stable for typical workloads.

Which existing Dell laptop parts must I already own for this M5KN5 board to work?

You need a Dell Inspiron 3581 or 3781 chassis with integrated Intel graphics, plus the original display, keyboard, battery, storage and cooling assembly.

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