cat 7 are far better the cat 5 at
specific instances none of which have anything to do with mining speed
but and this is a big but mining works fine with the cat 5 you paid for.
cat 7 will do more then cat 5.
here is a good way to look at at 7
https://en.wikipedia.org/wiki/ISO/IEC_11801#CAT7Category 7[edit]
Category 7 S/FTP cable
Class F channel and Category 7 cable are backward compatible with Class D/Category 5e and Class E/Category 6. Class F features even stricter specifications for crosstalk and system noise than Class E. To achieve this, shielding has been added for individual wire pairs and the cable as a whole. Unshielded cables rely on the quality of the twists to protect from EMI. This involves a tight twist and carefully controlled design. Cables with individual shielding per pair such as category 7 rely mostly on the shield and therefore have pairs with longer twists.
The Category 7 cable standard has been ratified in 2002 to allow 10 Gigabit Ethernet over 100 m of copper cabling. The cable contains four twisted copper wire pairs, just like the earlier standards. Category 7 cable can be terminated either with 8P8C compatible GG45 electrical connectors which incorporate the 8P8C standard or with TERA connectors. When combined with GG-45 or TERA connectors, Category 7 cable is rated for transmission frequencies of up to 600 MHz.[1]
However, in 2008 Category 6A was ratified and allows 10 Gbit/s Ethernet while still using the traditional 8P8C connector. Therefore, all manufacturers of active equipment and network cards have chosen to support the 8P8C for their 10 Gigabit Ethernet products on [2] copper and not the GG45, ARJ45, or TERA. These products therefore require a Class EA channel (Cat 6A). As of 2017 there is no equipment that has connectors supporting the Class F (Category 7) channel.
Category 7 is not recognized by the TIA/EIA.
cat 7 has better shielding
cat 7 allows for higher freq
Class F: link/channel up to 600 MHz using Category 7 cable/connectors
Class D: link/channel up to 100 MHz using Category 5e cable/connectors
neither of the two items above mean better speed of hash.
mostly they mean less interference at certain bandwidths
cat 7 may improve your fm radio reception if you still listen to fm radio and play stations that are far from your home.
