Question 1

Does this produce lag? I'm considering this for gaming.

Accepted Answer

I haven't noticed any additional lag when using this unit.

Question 2

Will this display 4k @60hz at 4:4:4 chroma?

Accepted Answer

Yes, this adapter can display 4K@60Hz as long as your source and TV/Monitor can support it. 4K@60hz is very hardware demanding.

Question 3

Are there any drivers required? I plug mine to a r9-270x and windows 10 doesn't display the option for 4k@60Hz not even 4k

Accepted Answer

No drivers are required. What resolutions/refresh rates Windows shows will depend on what display you're plugging into. Obviously it must be a 4k capable display, and it has to have HDMI 2.0. If it does and you're still not getting the option then there might be a setting on the display that needs to be adjusted.

Question 4

Is it support hdr-10 & dolby vision ?

Accepted Answer

I bought this adapter to get make a connection between my PC with Intel 8700K and UHD 630 integrated Graphics and my LG OLEDC6P. I want to play UHD blu-ray with my UHD drive.  My motherboard does not have HDMI 2.0a so I got this display port adapter.  I could not get HDR option in Windows.  When I emailed tech support at UpTAB, they were nice enough to answer my question.  I've put that response below:

Our adapter support Dolby Vision HDR which is different then HDR10. Your TV supports both standards but your Graphics Intel 630 currently supports only HDR10. Per Intel they are working on new drivers to support Dolby Vision Standard.

From Intel Article:
There are several different HDR standards in the industry, such as HDR10, HDR10+,
DolbyVision, and Hybrid-Log Gamma (HLG). At present, HDR support on Intel graphics
is limited to HDR10, and Intel is investigating expanding support to other standards in
the future.

More Information about Intel article:
High Dynamic Range (HDR) on Intel Graphics
Technical White Paper
Supporting 7th Gen Intel® Core™ Processor and Newer Platforms
November 2017

TLDR;
Supports DolbyVision but not HDR10

ASIN	B01B6ZOMIS
Best Sellers Rank	#3,089 in Audio & Video Connectors & Adapters
Brand	uptab
Color	Metallic
Compatible Devices	Laptop, Desktop, Monitor, Projector, Television
Connector Type	Display Port to HDMI
Current Rating	1.5 milliamps
Customer Reviews	3.8 3.8 out of 5 stars (381)
Finish	Metallic
Global Trade Identification Number	00616320248253
Item Dimensions	8.5 x 1.4 x 0.5 inches
Item Weight	4.54 g
Manufacturer	UPTab
Mfr Part Number	B014E8ZC7E
Model Number	B014E8ZC7E
Number of Items	1
Number of Ports	2
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	PC
UPC	616320248253 616320248239
Unit Count	1 Count
Warranty Description	1 Year Limited Warranty
Warranty Type	Limited

DisplayPort 1.4 to HDMI 2.1 Active Adapter 8K 60Hz 4K 120Hz HDR | HDCP 2.3 support; RTX/AMD GPU compatible; PC or laptop to TV, monitor, projector; plug-and-play; gaming, home theater

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