What will be the characteristics of using 25G high-speed cable and 25G active optical cable 

1.25G SFP28 DAC high speed cable

25G high-speed cable can support transmission rates as high as 25Gbps, which is greater than traditional copper cables

25G active fiber optic cable for 25G and 10G Ethernet, high-capacity IO and SFP+ interfaces, data center and rack-to-rack connectivity

2.25G SFP28 AOC active optical cable

25G active fiber optic cable is one-half and one-quarter of the 25G high-speed cable, so 25G active fiber optic cable is a lot lighter than 25G high-speed cable; no tools upgrade is necessary, 25G active optical cable has up to 25G 25Gbps throughput; 25G active optical cable offers better transmission performance and bit error rate, BER can reach 10-15; 25G active optical cable provides lower transmission power on the machine link

25G DAC high speed cable and 25G AOC active cable application

25G high-speed cables are mainly utilized in switches/routers/HBAs, servers and data storage devices, 40Gbs/100GBS Ethernet, and Fibre Channel

25G active fiber optic cable for 25G and 10G Ethernet, high-capacity IO and SFP+ interfaces, data center and rack-to-rack connectivity