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Green rectangular circuit board with silver components and edge connector, 11.9 by 7.8 inches

DELL

DELL Precision 7740 i5-9400H 2.5GHz Motherboard N9YD8 laptop replacement part

SKU CH-1RXP-4Q3QN

Genuine Dell Precision 7740 motherboard with Intel i5-9400H 2.5GHz processor for laptop repair

  • Compatible ManufacturerFor Dell
  • Compatible ModelsFor Dell Precision 7740
  • Dimensions(L x W x H): 11.9 x 7.8 x 0.3 inches
  • Weight0.75 lbs
  • Genuine Dell replacement board for Precision 7740
  • Intel Core i5-9400H processor runs at 2.5GHz
  • Compact 11.9 x 7.8 x .3 inch form factor
  • Lightweight 0.75 lb design eases installation
  • New condition ensures reliable out-of-box performance

Precision 7740 Motherboard Replacement

This Dell Precision 7740 motherboard carries the Intel i5-9400H processor at 2.5GHz and is supplied as a new N9YD8 part. It is intended for technicians or owners repairing a Precision 7740 chassis that has suffered a board-level fault.

Fits Precision 7740 Chassis

The board measures 11.9 x 7.8 x .3 inches and weighs .75 lbs, matching the original mounting points inside the Precision 7740. It restores the CPU, chipset and onboard connectivity without requiring a different cooler or power subsystem. Builders needing a different processor generation or a second graphics card cannot use this board.

Genuine Dell Part Number

The N9YD8 part number (also referenced as FD6NC and 0FD6NC) confirms factory-original compatibility with the Precision 7740 service manual. No extra cables, thermal pads or firmware tools are bundled; the board ships alone for direct swap installation.

주요 특징

  • Genuine Dell replacement board for Precision 7740
  • Intel Core i5-9400H processor runs at 2.5GHz
  • Compact 11.9 x 7.8 x .3 inch form factor
  • Lightweight 0.75 lb design eases installation
  • New condition ensures reliable out-of-box performance

사양

BrandDell
Part NumberN9YD8
Compatible ManufacturerFor Dell
Compatible ModelsFor Dell Precision 7740
Dimensions(L x W x H): 11.9 x 7.8 x 0.3 inches
Weight0.75 lbs

이 상품에 대한 질문

Will the i5-9400H 2.5 GHz processor on this motherboard throttle under sustained load?

The i5-9400H 2.5 GHz processor installed on this board will reach its thermal and power limits before other components, so sustained heavy workloads will cause it to throttle first.

How much heat and noise should I expect from this motherboard running all day in a Precision 7740?

The board itself has no fan; heat and noise come from the laptop's cooling system handling the i5-9400H 2.5 GHz CPU, which is rated for typical mobile power levels.

What other parts must already be in my Precision 7740 for this motherboard to work?

You need the existing heatsink assembly, RAM modules, storage drives, display cable, battery and power-button board that are already installed in the Precision 7740 chassis.

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