![]() ![]() This is usually established by having each pair shielded with a foil wrapping and then a 4-pair braid shield around the group of wires. ![]() With Cat8, one of the popular and most trusted types of shielding is S/FTP. Since interference can render a cable useless, this is a big deal. Cat7, for example, often uses gold plates for shielding. Also, it becomes increasingly difficult to shield higher frequencies from interference and crosstalk, and as you go up in scale, the cost of raw materials for shielding get pricey. Higher frequencies require more twists in the cable pairs, and that process is more expensive. Mostly, it boils down to twists and shielding. Ethernet Speed Comparisonĥft Purple CAT8 Ethernet Cable, S/FTP, 40Gbs, 2GHz, Easyboot It’s a serious upgrade, and the implications are turning heads across IT fields. ![]() It uses 2 Ghz signals to move data from 25 Gbps (Cat8.1) to 40 Gbps (Cat8.2). The reason Cat8 is turning heads is because it is jumping several iterations in performance. There are variations on each cable and some arrangements can boost or inhibit performance, but these are the numbers for which each category is tested and vetted. Cat7 ups the ante substantially with 600 MHz and 10 Gbps rates. Cat6 works at 250 MHz and can get up to 1 Gbps. To be more specific, Cat5 operates at 100 MHz and can transfer data at speeds up to 1000 Mbps.
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