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Green rectangular laptop motherboard with soldered components

DELL

DELL LA-K512P motherboard Intel Celeron N5100 4GB LPDDR4x

SKU CH-23QY-93RRX MPN LA-K512P

Replacement motherboard for the Dell Latitude 3120 with a soldered Intel Celeron N5100 processor and 4 GB of LPDDR4x memory

  • Soldered Intel Celeron N5100 quad-core processor handles everyday tasks
  • 4GB LPDDR4x memory onboard runs multitasking without extra modules
  • 6W TDP keeps thermals low in compact Latitude 3120 chassis
  • Up to 2.8 GHz burst frequency speeds through peak workloads
  • Direct replacement motherboard restores full Latitude 3120 functionality

Dell Latitude 3120 replacement board

This motherboard fits the Dell Latitude 3120 laptop and carries a soldered Intel Celeron N5100 processor with four threads. The CPU runs at a 1.1 GHz base frequency and can reach 2.8 GHz burst frequency within a 6 W TDP. It is intended for technicians repairing that specific chassis.

Fixed 4 GB LPDDR4x memory

The board includes 4 GB of LPDDR4x soldered directly to the PCB so no memory modules can be added or swapped. The 4 MB L3 cache and 10 nm quad-core architecture are integrated with the processor. This configuration suits light workloads but prevents any capacity upgrade.

Direct swap for Latitude 3120

Installation requires disassembling the Latitude 3120 down to the motherboard tray and transferring the heatsink, connectors and daughter boards. The soldered CPU and RAM eliminate socket or slot errors but leave no margin for component-level repair. Builders needing a different processor or more memory cannot use this part.

Highlights

  • Soldered Intel Celeron N5100 quad-core processor handles everyday tasks
  • 4GB LPDDR4x memory onboard runs multitasking without extra modules
  • 6W TDP keeps thermals low in compact Latitude 3120 chassis
  • Up to 2.8 GHz burst frequency speeds through peak workloads
  • Direct replacement motherboard restores full Latitude 3120 functionality

Specifications

ModelLatitude 3120

Questions about this item

Is the 4 GB LPDDR4x memory soldered on the LA-K512P board replaceable later?

The 4 GB LPDDR4x is soldered and non-upgradable, so the memory cannot be replaced or increased after purchase.

Will the Intel Celeron N5100 hit its 6 W TDP limit first during sustained workloads?

The processor has a 6 W TDP and a 10 nm quad-core design; under continuous load the power envelope is the first constraint reached.

How much heat and fan noise should I expect from the N5100 running all day at 1.1 GHz base frequency?

With a 6 W TDP and 10 nm architecture, the chip produces modest heat, so fan activity stays low during all-day operation at base speed.

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