0

Taking this USB 3.0 Docking Station with Dual DVI/HDMI/VGA Video (sd3500v) as an example.

I'm trying to find out what hardware configuration/spec a laptop would require to allow it to drive two Dell U2711 @ 2560 x 1440

Not too worried about specific laptops, more what ports (and protocol versions)n and graphics card would be required to run this setup.

Again not bothered if the laptop screen must mirror one of the monitors. Ideally, I'd plug into the hub close the laptop lid and then use the monitors and external keyboard and mouse.

Is this even possible?

TIA

EDIT:

Apologies if this is a repeated question...although if it hasn't been asked in 2013 then any answers to previously asked dups may no longer be relevant. (Happy to be proved wrong)

  • Any supported laptop with a USB 3.0 or 2.0 should support it. – Ramhound Dec 30 '13 at 12:21
  • But what would you need Graphics card wise in order to drive it? – MattC Dec 30 '13 at 12:24
  • I don't see any evidence that the device requires the host pc to have a GPU. Contact Kensington if specific product requirements not listed on their website. – Ramhound Dec 30 '13 at 12:25
  • @MattC: The dock doesn't connect to your graphics card, so it doesn't matter. – MSalters Dec 30 '13 at 13:41
  • Try the Hootoo 7-port USB hub, that had been really useful to me. – user287831 Jan 8 '14 at 8:30
1

That won't work well. You need two HDMI 1.3 connections for those monitors, which each clock close to 10 Gbit/second. Total bandwidth would be approximately 20 Gbit/second, but USB3 is limited to 5 GBit/second.

  • This. Sending graphics over USB is like trying to drive a car down a telephone wire – Jobbo Dec 30 '13 at 13:49
  • Well, if you consider 1024x768 monitors (.8 Mpixel) instead of 2560x1440 monitors (3.6 Mpixel), 5 Gbps should do. – MSalters Dec 30 '13 at 13:56
  • So, basically I need a laptop with two HDMI 1.3 ports and a graphics card(s) powerful enough to drive them at my desired res? – MattC Dec 30 '13 at 14:57
  • I think the newest MacBooks can pull this off, but they use Thunderbolt (which does clock in at the necessary 20 Gbps). – MSalters Dec 30 '13 at 15:26
  • 1
    @MattC: One 1920x1200 monitor via USB3 and another via HDMI should work. Still, as Jobbo points out, USB wasn't designed for this so the quality of implemenation definitely matters (on both sides, laptop and dock) – MSalters Dec 30 '13 at 16:23
0

I was searching for such a product myself and found the Elgato Thunderbolt 3 Dock. It's a dock with multiple ports and supports dual 4K monitors. Your PC or Mac requires a USB-C port with Thunderbolt 3

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.