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Rectangular black HP power adapter with 7.4 by 5.0 mm barrel connector and detachable power cord

HP

HP HSTNN-C75X 40W power adapter 19.5V 2.05A 7.4x5.0mm

SKU CH-6Z2E-VBH93 MPN HSTNN-C75X

40W HP AC adapter delivers 19.5V at 2.05A via a 7.4x5.0mm tip for EliteDocking stations and includes a power cord

  • Genuine HP adapter powers EliteDocking stations reliably
  • 40W output delivers 19.5V at 2.05A for stable operation
  • 100-240V input works on 50-60Hz mains worldwide
  • 4x5.0mm connector fits the dock power jack precisely
  • Includes power cord so the unit is ready to use

Genuine 40W HP Docking Adapter

This genuine HP HSTNN-C75X adapter delivers 40W at 19.5V and 2.05A for compatible HP EliteDocking Stations. It is a direct replacement manufactured by HP for the specified docking model. The unit includes a power cord for immediate connection to mains supply. Buyers needing higher wattage for larger workstations should verify their dock requirements before purchase.

7.4x5.0mm Barrel Connector Build

The adapter features a 7.4mm by 5.0mm barrel tip designed to match the docking station input precisely. A standard IEC power cord socket on the brick allows the included cord to be swapped for any compatible mains lead. The housing is built for daily desktop use with internal safeguards against incorrect voltage, short circuit and internal overheating. Users with docks requiring a different tip diameter or pin configuration cannot use this adapter.

100-240V 50-60Hz Worldwide Input

The adapter accepts a universal input range of 100 to 240V at 50 or 60Hz for global travel or office relocation. Output is fixed at 19.5V with a maximum current of 2.05A, limiting total power to 40W. Devices drawing more than this rating will not operate correctly or may trigger the protection circuits. The fixed voltage and current output means the adapter cannot charge devices requiring variable voltage negotiation or higher power delivery.

Highlights

  • Genuine HP adapter powers EliteDocking stations reliably
  • 40W output delivers 19.5V at 2.05A for stable operation
  • 100-240V input works on 50-60Hz mains worldwide
  • 4x5.0mm connector fits the dock power jack precisely
  • Includes power cord so the unit is ready to use

Specifications

ModelHSTNN-C75X

Questions about this item

What voltage range does the 100-240V input support and what frequency does it accept?

The adapter accepts 100-240V AC at 50-60Hz, so it works on mains supplies worldwide without a voltage switch.

What are the exact dimensions of the barrel connector that plugs into the docking station?

The connector tip measures 7.4 mm outer diameter by 5.0 mm inner diameter, matching the HP EliteDocking Station requirement.

How do I connect the adapter to the docking station and what common mistake should I avoid?

Plug the supplied power cord into the adapter brick, then insert the 7.4x5.0 mm barrel into the dock; the frequent error is forcing the tip in upside down.

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