HP 688169-001 - Docking Station HSTNN-I11X for HP Elitebook 8440P 8460P 8530P 8560P & Probook 6560B - CPU Medics
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HP Compaq EliteBook 8540w 8460p Basic Docking Station Port Replicator (NO PSU) | eBay
HP 575321-002 - HSTNN-I10X Advanced Docking Station Dock + 120W AC Adapter for EliteBook 8570w 8570p 8740w 8760w ProBook 6540b 6550b 6555b - CPU Medics
HP Elitebook Docking Station 8440p 8460p 8460w 8540p 8540w 8560p 8560w 575324-00