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Lenovo ThinkPad USA Ultra Dock With 90W 2 Prong AC Adapter (40A20090US, Retail Packaged) - $16.25

$16.25
$269.99
+36 Deal Score
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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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Lenovo ThinkPad USA Ultra Dock With 90W 2 Prong AC Adapter (40A20090US, Retail Packaged) - $16.25
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Last Edited by RichP1000 December 30, 2019 at 02:01 AM
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Joined Dec 2008
L5: Journeyman
> bubble2 728 Posts
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braveheart2012
12-28-2019 at 10:38 AM.
12-28-2019 at 10:38 AM.
seems to be PM
Reply
Joined Feb 2005
L9: Master
> bubble2 4,365 Posts
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caveman017
12-28-2019 at 10:43 AM.
12-28-2019 at 10:43 AM.
Quote from braveheart2012 :
seems to be PM
Eh. eBay prices are between 20-30
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HIDDENboridealseekr12-28-2019 at 11:08 AM.
Joined Jul 2010
L2: Beginner
> bubble2 55 Posts
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mrcow161
12-28-2019 at 11:12 AM.
12-28-2019 at 11:12 AM.
Quote from boridealseekr :
What even is this? As I understand, it sort of "expands" the functionality of a ThinkPad laptop, but does it come with additional processing hardware? Does the dock charge the laptop, or act like an ancillary battery pack? Can the laptop charge through the dock? I have so many questions...
It charges it and adds more ports (video, USB). Makes it simple to be on the go with the laptop, and then plug into a traditional multi-monitor setup with a keyboard and mouse already setup. There is no additional processing power.

This is the old model though (newer ones are USB C /TB3 based). Great price ithough f you still have an old laptop.
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Joined Aug 2012
L3: Novice
> bubble2 257 Posts
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yoga4life
12-28-2019 at 11:13 AM.
12-28-2019 at 11:13 AM.
Quote from boridealseekr :
What even is this? As I understand, it sort of "expands" the functionality of a ThinkPad laptop, but does it come with additional processing hardware? Does the dock charge the laptop, or act like an ancillary battery pack? Can the laptop charge through the dock? I have so many questions...
it will charge your laptop as long as you have the power cord connected to the dock. You can have additional monitors, usb devices (mice, keyboard, phone charger etc), ethernet/LAN etc connected to it as well.
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Joined Sep 2013
L5: Journeyman
> bubble2 972 Posts
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Modxplus
12-28-2019 at 11:23 AM.
12-28-2019 at 11:23 AM.
Quote from boridealseekr :
What even is this? As I understand, it sort of "expands" the functionality of a ThinkPad laptop, but does it come with additional processing hardware? Does the dock charge the laptop, or act like an ancillary battery pack? Can the laptop charge through the dock? I have so many questions...

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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Joined Nov 2009
L10: Grand Master
> bubble2 7,608 Posts
feijichang
12-28-2019 at 11:37 AM.
12-28-2019 at 11:37 AM.
Yuck, reminds me of work
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Joined May 2009
L10: Grand Master
> bubble2 6,371 Posts
jkloisdafoiwdaf
12-28-2019 at 11:44 AM.
12-28-2019 at 11:44 AM.
Any idea why this is not compatible with X230?
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Joined Sep 2015
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> bubble2 68 Posts
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lilSnorlax
12-28-2019 at 11:53 AM.
12-28-2019 at 11:53 AM.
Why wouldn't this be compatible with a T490?
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Joined Jul 2019
L3: Novice
> bubble2 133 Posts
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Flyingfliers73
12-28-2019 at 11:54 AM.
12-28-2019 at 11:54 AM.
How does this connect to the laptop? A proprietary connector of some kind?
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Joined Jul 2010
L6: Expert
> bubble2 1,344 Posts
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mamamia88
12-28-2019 at 11:55 AM.
12-28-2019 at 11:55 AM.
I just got this model yesterday. https://www.amazon.com/gp/product...UTF8&psc=1 is this better? I was dissapointed that the back was a display port instead of hdmi. I ended up buying a separate display port to hdmi cable. Should I return it and buy this?
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Joined Jun 2011
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> bubble2 628 Posts
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zcsrs
12-28-2019 at 11:57 AM.
12-28-2019 at 11:57 AM.
Quote from Flyingfliers73 :
How does this connect to the laptop? A proprietary connector of some kind?
I think so, outdated tech, will be replaced by USB-C
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Joined Jun 2006
Ready for the Zombies
> bubble2 1,572 Posts
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FranksAndBeans
12-28-2019 at 12:05 PM.
12-28-2019 at 12:05 PM.
Funny these are so uncommon now folks don't know what they are. This is a one step station your laptop docks onto via a special connector built in to compatible laptops. So you have a Thinkpad and use it at work and home, for example... this lets you setup monitors, keyboard, charger, etc. at multiple places and just dock and undock with one click. Well worth it for a laptop frequently used in different locations.

Modern USB C docks have mostly replaced these but I think these still have some advantages driving monitors as they give direct connections.
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