I'm looking for the best options for a 50 ft HDMI cable that supports 4K at 120Hz. I know various technologies exist such as active copper, fiber optic, and HDMI over Ethernet. My setup includes a powerful PC with a 4080 Super graphics card and an LG C4 TV. Could anyone suggest reliable cables or solutions that offer good performance for this length?
6 Answers
I’m currently using a fiber optic HDMI setup that works seamlessly. My setup has over 62 ft of cable, with 50 ft being the fiber optic bit, and it handles 4K at 120Hz without any issues. I can’t measure the response time, but it feels super smooth! It’s been working perfectly for months.
If you’re considering fiber optic HDMI cables, I highly recommend the Monoprice 65 ft option I got for about $112. It performs excellently with 4K 120 fps and HDR, with no signal loss whatsoever. I ordered it from Amazon, and it was actually cheaper than on their website!
It's tough to get a reliable HDMI signal over long distances, especially at 4K 120Hz. I’d suggest trying to position your PC closer to the TV if that’s possible. From my experience, anything over 10-15 feet with HDMI can get dicey. I once had a 20-foot cable, and it was a nightmare for gaming at that resolution. You might want to look into Active Optical Cables (AOC), which use fiber optics and are designed for longer runs—though they can be pricier and reviews vary on reliability.
If you want to maintain quality at 50 ft, fiber optic is really your best bet. Active copper cables might require repeaters, which can be more expensive. Plus, HDMI over Ethernet tends to compress the signal, which isn't ideal for 4K 120Hz. There are some budget options on Amazon that look promising, but I'd be cautious with those cheap unknown brands.
I had a good experience with a fiber optic HDMI cable for 4K 120Hz. I used the Highwings 8K HDMI Cable, and it worked great for my setup! Just keep in mind that availability might be an issue now, so check around.
For gaming at that distance, active fiber optic cables are crucial. The good news is that your 4080 Super won't demand as much bandwidth compared to higher-end GPUs, making things easier. Look for an 8K/60p fiber optic cable, as they usually support 4K/120p without issue. Just be aware that there aren't any guarantees with these cables; it's a bit of a gamble! I've had one cable fail on me but have been lucky with this current setup.

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