HP Z400

SATA drive
Pin Signal Pin Signal Pin Signal
Data Cable Power Cable Power Cable
S2*A+ P23.3V power P95V power
S3* A- P3 3.3V power P10 Ground
S4 Ground P4 Ground P11 Reserved
S5** B- P5 Ground P12 Ground
S6** B+ P6 Ground P13 12V power
S7 Ground P7 5V power P14 12V power
* S2 and S3 differential signal pair
**S5 and S6 differential signal pair
P15 12V power
SAS drive
Segment Pin Backplane
receptacle
Plug and
cable
receptacles
Primary signal segment S1 SIGNAL GROUND
S2 TP+ RP+
S3 TP- RP-
S4 SIGNAL GROUND
S5 RP- TP-
S6 RP+ TP+
S7 SIGNAL GROUND
Secondary signal segment S8 SIGNAL GROUND
S9 TS+ RS+
S10 TS- RS-
S11 SIGNAL GROUND
S12 RS- TS-
S13 RS+ TS+
S14 SIGNAL GROUND
ENWW 223