There are 2 connectors at the back of the drive unit. There are SATA interface connector and power connector.
(A) SATA DC Power inlet, 15pin
(B) SATA data interface connector, 7 pin
1. Power Connector
The drive has a
15-pin SATA power connector as shown below.
Pin#
Definition
Description
1
V33
3.3V Power
2
V33
3.3V Power
3
V33
3.3V Power, pre-charge
4
Ground
5
Ground
6
Ground
7
V5
5V Power, pre-charge
8
V5
5V Power
9
V5
5V Power
10
Ground
11
Reserved
1. The pin corresponding to P11 in the backplane
receptacle connector is also reserved.
2. The corresponding pin to be mated with P11 in the power cable
receptacle connector shall always be grounded.