Your computer doesn’t have to have an HDMI port to connect to an extra display. This Mini DisplayPort to HDMI cable connects to your computer’s Mini DisplayPort to extend or mirror your screen to an HDMI-compatible display, such as a TV or monitor. The corrosion-resistant cable transmits reliable video signals at resolutions up to 4K, allowing you to watch movies, videos and more. A 10 ft. length ensures you’ll be able to position your devices wherever you want them. Make the connections you need with the Insignia NS-PCMDHD10 10' Mini DisplayPort to HDMI Cable.
Q: What is the maximum resolution supported by the cable?
A: This cable transmits reliable video signals at resolutions up to 4K.
Q: What type of warranty does the cable have?
A: The cable comes with a twelve month warranty on parts and labor.
Q: Is the cable compatible with all DisplayPort devices?
A: This cable is compatible with most DisplayPort devices.
A: The cable length is 10 feet.
Q: Does this cable support 4k at 60Hz?
A: Yes
Q: Does this cable support 3440x1440 at 175hz?
A: The max refresh rate my 2k monitor supports is 3440x1440 @ 140hz and it runs smooth, my games rarely run @ that frame rate though as I only have a 3060 6GB of vram and it chokes on 2K @120 but to answer you question the best I can answer is, it will most likely support it.
Q: Is this cable vesa certified?
A: undefined
Q: Does this need device need software to be downloaded as well?
A: Nope, just plug it in and you're good to go.