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Kensington USB C & USB 3.0 Docking Station - SD4750P USB-C & USB 3.0 Dual 4K Docking Station with 135W Adapter - DP & HDMI - Compatible with Windows and Apple Devices (K39105EU)

£9.9£99Clearance
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What active adapters do you recommend?We cannot recommend one over another but we do regularly use the following in our test lab: System Requirements: USB-C host device must support Power Delivery. Power Delivery is not supported on USB-A host devices without the use of the optional 60W power splitter (K38310) Some USB 3.0 enabled PCs can exhibit issues which can be resolved by connecting your product through an external mains powered USB hub How well this works for any specific user is entirely dependent on many factors, such as the laptop host hardware, the resolutions of the monitors and the amount of motion on the displays. The obvious conclusion is that this isn’t practical, or at least some significant compromises are required in what you can realistically connect and how it might work.

The alternative display connecting method is DisplayLink, another technology designed to achieve multiple displays over limited bandwidth. There have been some instances of DisplayLink devices with a yellow "!" in device manager, and opening the properties shows that they have an error code 43. This is usually due to a driver fault. To fix this error we recommend trying the following steps: Laptop Cable provides ideal length for various connection needs and accommodates multiple power tips to be tethered to the cable at one time via four power adapter retention rings –providing a convenient solution for mixed deployments or shared workspaces Your device must be running Windows 10, 8.1 or Mac OS X Yosemite (10.10) or later, or Chrome OS (R53 or above). Maximum Resolution Supported: Single monitor: HDMI Ultra HD 3840 x 2160 @ 30Hz or VGA Full HD 2048 x 1152 @ 60Hz

Maximum Resolution Supported: Single Monitor - 2560 x 1600 @ 60Hz and Dual Monitors - 2048 x 1152 @ 60Hz Or follow the steps from TenForums: How to Add or Remove "USB 3 Link Power Management" from Power Options in Windows. Maximum Resolution Supported: Single 4K @ 60Hz, Dual 4K @ 60Hz, and Triple 4K at 60Hz when connected to a DP1.4 HBR3 device Our immediate reaction to that information was to wonder why mounting six complicated cabling ports on this device was a better option than providing three DisplayPort and some inexpensive cable adapters for HDMI? Passive cables and adapters do not have such a conversion chip built in. Instead they rely on the source to do the conversion. Unless the source has the ability to output analogue over DisplayPort or HDMI then an active adapter is required for VGA output.

On the rear is a PSU power input, USB-C downlink from the computer, three each of DisplayPort 1.2 and HDMI 2.0, a Gigabit LAN port and four USB-A 3.1 Gen2 ports. If you don’t have USB-C and are using the provided USB-A to USB-C cable that Kensington kindly includes, then a maximum of two 4K displays is possible. Uses the power supply from SD4700P, SD4750P, SD4780P or SD4900P to provide power to USB-A enabled laptops that support 20V/85W. *The power splitter is optimized to provide rapid charging at 60W and is not intended for use with laptops under 20V/60W.*Dual video is only supported on Windows 10 and 8.1 devices (Mac and Chrome USB-C devices do not support dual video over MST).

System Requirements: USB-C host device must support Power Delivery. Power Delivery is not supported on USB-A host devices without the use of the optional 60W power splitter (K38310NA) Q: How does my USB-C cable know what device I have and what functions the USB-C port on my device can perform? Another slightly odd choice is that the top is slightly recessed, creating a tray of sorts for small change, or whatever. In whatever ways 10Gb/s is divided, it won’t adequately supply three 4K displays, six USB ports each requiring up to 10Gb/s, a Gigabit Ethernet port and the other less bandwidth-hungry items on here.

2. Check if you have the latest USB 3.0 host controller driver installed on your PC

Update the computer's BIOS/UEFI with the appropriate file from your system/motherboard manufacturer.

Your laptop or device must have a USB-C port. (Using an adapter on a USB 3.0 Type-A port will not work.) Best For: Windows OS (7 or above) laptop with a USB-C port supporting DisplayPort Alt Mode and Power Delivery And the other caveat to this hardware is the charging. The 60 watts provided isn’t enough power for charging the more powerful Ultrabook’s, like the 15-inch Apple MacBook Pro. There have been some instances of DisplayLink devices with a yellow "!" in device manager, and opening the properties shows that they have an error code 10. This has been either due to a faulty device, or due to a device with auto install (which are not supported as detailed below) and the DisplayLink video driver is trying to talk to the wrong interface putting it into an error state. If you are using a DisplayPort to HDMI, DisplayPort to DVI, DisplayPort to VGA or HDMI to VGA cable and are having issues we recommend using an active video adapter in conjunction with a video cable as illustrated below:System Requirements: USB-C host device must support Power Delivery. Power Delivery is not supported on USB 3.0 host devices. At a rough estimate, the ports on this device would require more than 76Gb/s of connection to the host computer to have all the necessary bandwidth, and it only has 10Gb/s.

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