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Green rectangular motherboard with silver processor socket and black chips

DELL

DELL Alienware M11x R2 Motherboard 1KK46 i5-520UM

SKU CH-9Q9C-BZ4QY

Replaces the system board in an Alienware M11x R2 with an on-board Intel Core i5-520UM processor at 1.066 GHz and 1.866 GHz turbo plus integrated Nvidia graphics

  • Accessory categoryMotherboard
  • Genuine Dell replacement part for Alienware M11x R2
  • On-board Intel Core i5-520UM processor at 1.066 GHz base clock
  • Turbo boost up to 1.866 GHz for demanding tasks
  • Integrated Nvidia graphics built directly onto the board
  • Dell part number 1KK46 ensures exact model compatibility

Alienware M11x R2 motherboard

This genuine Dell motherboard carries part number 1KK46 and is built for the Alienware M11x R2 notebook. It arrives new and includes an on-board Intel Core i5-520UM processor, so no separate CPU installation is required.

Integrated i5-520UM processor

The soldered i5-520UM runs at 1.066 GHz base frequency and can reach 1.866 GHz max turbo frequency. On-board Nvidia graphics are also integrated, removing the need for a discrete graphics module in this platform.

11-inch ultraportable gaming scope

The board fits the compact 11-inch chassis and supports the original M11x R2 thermal and power design. It does not serve larger Alienware models or desktop systems, and it cannot accept a different processor or graphics upgrade.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $26.99
Pricier than about 64% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell
Part number1KK46
Accessory categoryMotherboard

Questions about this item

Will the soldered i5-520UM processor need replacement later?

The i5-520UM is soldered to the board and cannot be replaced separately; only a full motherboard swap would change the CPU.

What thermal limit appears first under sustained load?

The on-board Nvidia graphics and 1.066 GHz processor share the same cooling, so GPU and CPU temperatures rise together until the system throttles.

How much fan noise and heat should I expect during all-day use?

The single-fan design cools both the i5-520UM and the discrete GPU, so sustained loads push fan speed higher and surface temperatures up.

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