上次忘了在哪看到 白皮書

CAT 7, CAT 7+ 以及 CAT8 的 乙太區域網路規格 都已經制定好

至於實際產品應用... 會慢慢陸續見到...

CAT-5 is rated to 100M
CAT-5e is rated to 350M
CAT-6 and CAT6e is rated to 550M or 1000M depending on your source
CAT-7 is supposedly rated to 700M or presumably 1000M