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T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

T430 and later, plus T530 and later series specific matters only
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discord
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T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#1 Post by discord » Sat Oct 14, 2017 1:04 am

I have a T430s and an usb 3.0 dual DP dock. I now have 4 identical Lenovo 1920x1080 DP monitors. I'm currently driving 2 DP monitors off the usb3 dock both using DP. I am wondering if I get two of the lenovo DP -> dual DP adapters, will I be able to drive 4 monitors. From what I understand those adapters make the system think a pair is a single display. I think I have the integrated HD4000 hardware.

Whitieiii
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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#2 Post by Whitieiii » Sat Oct 14, 2017 3:35 pm

Natively I believe the ThinkPad T430 can handle 3 displays max but it requires the NVS 5400 Graphics card and if hooked up correct... The t430s requires the docking station with 2 display port for 3 monitors.... The intel only T430 only allows 2 extended monitors regardless of the dock or side of machine.... The t440p/s only allows 3 monitors only if hooked up to correct ports at same time.... The W540 and newer should handle 6 extended monitors with dock and P50 should be able to handle 5 with dock I beleve

I gave options for you if you absolutely need to have more than 3 monitors but this is how Lenovo has it configured
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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#3 Post by Whitieiii » Sat Oct 14, 2017 3:38 pm

It's a waste of power imo if two displays are mirrored but there are times when mirroring displays is useful but I haven't found a use for mirror displays
My Current Collection:
A30 Pentium 3 512MB ram 60GB HDD Win 98SE
T410 1st Gen i5 4GB ram 320 GB HDD Win 7
HP 8460p 2nd gen i5 8GB ram 500GB HDD Radeon 6570m Win 7
T430 3rd Gen i5 8GB ram 500GB HDD Win 7
T440s 4th Gen i5 8GB ram 300 GB SSD Win 10
T440p 4th gen i5 12GB ram GT 730m 500GB HDD Win 10

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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#4 Post by Thinkpad4by3 » Sat Oct 14, 2017 3:48 pm

discord wrote:
Sat Oct 14, 2017 1:04 am
I have a T430s and an usb 3.0 dual DP dock. I now have 4 identical Lenovo 1920x1080 DP monitors. I'm currently driving 2 DP monitors off the usb3 dock both using DP. I am wondering if I get two of the lenovo DP -> dual DP adapters, will I be able to drive 4 monitors. From what I understand those adapters make the system think a pair is a single display. I think I have the integrated HD4000 hardware.
Your best solution is a external graphics card solution. That is the best way because the graphics card CAN easily handle that many displays. The HD4000 pushing 4 displays is pretty much impossible. Try and cram 4 people into a 2 seater car that can maybe fit three.
Probably should be Thinkpad16by10.

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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#5 Post by dr_st » Sun Oct 15, 2017 2:02 am

It should work. 2 displays handled by the HD graphics, 2 displays handled by the USB 3.0 graphics. The USB dock is its own video device, the Intel graphics is not involved.
Current: Thinkpad 25 (20K7), Yoga 14 (20FY), X220 4291-4BG, T410 2537-R46, T60 2007-QPG, T42 2373-F7G
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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#6 Post by ZaZ » Sun Oct 15, 2017 4:00 am

The Lenovo USB 3.0 to DVI/VGA Monitor Adapter(0B47072) might be worth a look. Supposedly it supports up to six monitors if you've got enough USB 3.0 ports.
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Re: T430s usb 3.0 dual DP dock and DP to Dual DP adapter, can I drive 4 monitors?

#7 Post by Thinkpad4by3 » Sun Oct 15, 2017 8:38 am

Yea, but the problem is that those displays are run off the CPU and if you don't have a sufficiently powerful CPU or are doing tasks that really CPU intensive, you will start having problems, especially over that many displays.
Probably should be Thinkpad16by10.

Looking For: 386 laptop, IBM or not.

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