小白问个问题 有关pcie固态

为什么东哥卖的pcie4.0硬盘都是m2插口？以我个人浅薄的理解，不应该是插在跟显卡一样的地方么[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc7a0ee49.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc7a0ee49.png[/img]
[img]https://img.nga.178.com/attachments/mon_202012/17/c4Q5-2inxZhT3cSku-ku.jpeg[/img]
[img]https://img.nga.178.com/attachments/mon_202012/17/c4Q5-cigaZgT3cSku-ku.jpeg[/img]