Questions about Primewire CAT.7 network cable - Ethernet Gigabit Lan cable RJ45 - 10 Gbit/s - patch cable - comp. CAT.6 CAT.8

Yes with the heads

According to my research, this should be printed on it and also the name of the manufacturer Primewire.

However, the description with a specification of speeds is very unusual because it is wrong in principle. With a network cable, only the category (Cat/Cat) for which it is certified is specified. From this you can then derive the maximum speed for which you can use it. The length of the cable or the entire transmission path also has an influence and only then does the speed finally result. Even with Cat 6 you can transmit 10 Gbit/s (10GBASE-T) over up to 55m. https://de.wikipedia.org/wiki/Twisted-Pair-Kabel#Verbreitete_Twisted-Pair-Kabeltypen_(%C3%9Coverview) By the way, this cable corresponds to Cat 7, but the RJ45 plugs usually only correspond to Cat 6(A). So you don't get much more out of a Cat 7 cable with Cat 6(A) connectors than out of a Cat 6 cable with Cat 6(A) connectors ;-)

The manufacturer does not provide any information on AWG on its website. https://www.primewire-connects.de/netzwerk-cat7-schwarz In principle, any network cable is suitable for PoE.

The cable can be used without any problems, but the speed remains limited to the speed of the Cat 6a socket.

No, only one piece. This is a Cat7 premium flat bank cable, hence this price at 50cm.