ASROCK B550D4ID-2T/CG User Manual page 47

SATA Power Connector
(4-pin SATA_PWR1)
(see p.6, No. 3)
(FOR HDD POWER)
1 2
GND
GND
+5V
+12V
3 4
B550D4ID Series
Please use a SATA power cable
to connect this SATA Power
Connector and your SATA
HDD for supplying power
from the motherboard, when
using DC-IN mode without
SATA power supply.
*Caution: Misconnection between
the ATX4PIN1 and the SATA_PWR1
connectors may permanently damage
the motherboard.
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