| General > General Technical Chat |
| Does the length of HDMI 2.1 cable matter? |
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| eeguy:
Hi, I plan to buy a HDMI 2.1 cable to connect between a high-end PC with Nvidia RTX GPU and a 4K TV at 120-144Hz. Does the length matter? Even within the same company one guy said it doesn't but the other said it does. However, he could not provide a number for the maximum recommended length. Some manufacturers list the AWG value. At the same length, is the larger the AWG the better or the other way around? How about 30AWG for 2m cable and 28AWG for 3m cable? Are these specs good enough? |
| wraper:
AWG as such does not say anything about its quality. But I don't suggest buying more than 2m unless you really need such length. With 2m significantly lower quality of cable is acceptable to work without issues. |
| wraper:
The problem is that this cable market is full of BS and a lot of cables are not up to spec. Not to say more expensive often is not better but worse than an inexpensive cable which was properly made according to spec. |
| wraper:
Personally I would buy something like Amazon basics. No fancy braid or other marketing BS but should work with no problems, and is amongst the safest options. For some weird reason 10ft cable is the least expensive :wtf: https://www.amazon.com/dp/B08BRYJWSM/ref=twister_B08BS2HWB6?_encoding=UTF8&th=1. |
| eeguy:
How about these two? https://www.amazon.com/Cable-Matters-3-Pack-48Gbps-Support/dp/B084RFQPSP/ref=sr_1_1?crid=1TY19Z6OI2W4&keywords=B084RFQPSP&qid=1655151969&sprefix=b084rfqpsp%2Caps%2C57&sr=8-1 and https://www.amazon.com/gp/product/B09CHH8TRC/ref=ox_sc_act_title_1?smid=ATVPDKIKX0DER&psc=1 I bought a StarTech HDMI 2.1 cable but there are some issues when used with Cable Matters's adapter. Not sure if the issues are caused by the cable, the adaptor or something else. Cable Matters suggested using the one listed above with their adapter. How are the products of these two companies? |
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