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Small rectangular Dell DC power jack cable with attached connector and wiring

DELL

DELL Latitude E6420 DC Power Input Jack Cable UMA Intel CJ28J

SKU CH-1E7K-C643P

Replacement DC power jack cable for Latitude E6420 laptops with integrated Intel graphics

  • Genuine Dell DC power jack for Latitude E6420 with integrated Intel graphics
  • Exact CJ28J part match ensures correct fit for UMA systems only
  • New OEM replacement restores reliable charging on compatible laptops
  • Designed specifically for 6420 models using Intel UMA video architecture
  • Direct current input cable replaces damaged or loose power connectors

Genuine Dell DC Power Jack Cable

This is a genuine Dell replacement Direct Current input jack with cable for the Latitude E6420 laptop. It is designed specifically for models equipped with integrated Intel graphics. The part number is CJ28J and condition is new. It restores the charging connection when the original jack fails.

Fits Latitude E6420 UMA Intel builds

The jack plugs directly into the motherboard on compatible E6420 units. It requires no soldering if the existing cable connector matches. Installation frees the system from intermittent charging or complete power loss. Verify the part number before fitting to avoid mismatched pinouts.

For owners of E6420 UMA Intel units

This part suits technicians or owners repairing a Latitude E6420 with integrated graphics only. It is not for systems fitted with discrete graphics, as the jack layout differs. Buyers who need a jack for discrete-graphics models should look elsewhere.

How it compares

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

Price $8.99
Cheaper than about 75% of the 8,241 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How long can the CJ28J DC jack cable handle continuous charging before heat becomes a concern?

The genuine Dell CJ28J jack is rated for the standard power draw of a Latitude E6420 with integrated Intel graphics, so it sustains normal all-day charging without overheating.

Does the DC jack cable produce any audible noise or excess heat when the laptop runs all day?

The replacement jack is a passive connector with no moving parts, so it adds no fan noise and only conducts the normal warmth from the power adapter.

What must I already have in the laptop for this CJ28J jack to fit and work?

You need a Dell Latitude E6420 equipped with integrated Intel graphics; the part is not compatible with discrete-graphics models.

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