有買b550f 沒甚麼問題 但葉面有寫* Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3* When the M.2_2 Socket 3 is populated , SATA6G_5/6 ports will be disabled.https://www.mobile01.com/topicdetail.php?f=488&t=6205386