ASROCK B550D4U User Manual page 34

Serial ATA3 Connectors
Vertical:
(SATA0:
see p.7, No. 12)
(SATA5:
see p.7, No. 20)
Right Angle:
(SATA1:
see p.7, No. 17)(Lower)
(SATA2:
see p.7, No. 17)(Upper)
(SATA3:
see p.7, No. 18)(Lower)
(SATA4:
see p.7, No. 18)(Upper)
USB 3.2 Gen1 Header
(19-pin USB3_3_4)
(see p.7, No. 15)
IntA_P_SSRX -
SATA0
SATA5
IntA_P_D +
IntA_P_D -
GN D
IntA_P_SSTX+
IntA_P_SSTX-
GN D
IntA_P_SSRX +
Vbu s
Vbu s
IntA_P_SSRX -
IntA_P_SSRX +
GN D
IntA_P_SSTX-
IntA_P_SSTX+
GN D
IntA_P_D -
IntA_P_D +
B550D4U-2T / B550D4U
These connectors
support SATA data
cables for internal
storage devices with up
to 6.0 Gb/s data transfer
rate.
There is one USB 3.2 Gen1
ID
header on this motherboard.
This USB 3.2 Gen1 header
can support two USB 3.2 Gen1
ports.
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