Lenovo ThinkPad USA Ultra Dock With 90W 2 Prong AC Adapter (40A20090US, Retail Packaged)
COMPATIBLE with the following 65w and 90w ThinkPad models: ThinkPad L540, L560, L570, P50s, T440p, T460p, T540p, T550, T560, X240, X250, X260, X270 and the ThinkPad W550s. Also compatible with the following DualCore ThinkPad Models with Integrated Graphics: L440, L450, L460, T440, T440s, T450, T450s, T460, T460p, T460s, T470, T470S, T470P, T570. NOT recommended if the system AC adapter is 170W. Max Operating Temperature: 43 C and Min Operating Temperature: 5 C. OS Support: Windows 10, Windows 8.1, Windows 8, Windows 7.
https://www.amazon.com/gp/product...N7CA&psc=1
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This is the old model though (newer ones are USB C /TB3 based). Great price ithough f you still have an old laptop.
I have something similar. Basically I used to have to plug my charger, 2 HDMIs, USB, ethernet and Flash Drive into my computer each time I started work. But now I just plug the one cable (or in this case your laptop sits on the dock). It doesn't increase functionality of the laptop for the most part.
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Modern USB C docks have mostly replaced these but I think these still have some advantages driving monitors as they give direct connections.