HDD and other storage devices connectors

The SAS MultiLink design supports a higher performance Hard Disk Drives (HDD) with eight differential pairs of electrical circuits. Refer to SAS pinout for interface details.

Pin
Number
Pin
Name
SATA channel
S1  GROUND   Primary 
S2   S0T+ (A+)   Primary 
S3   S0T- (A-)   Primary 
S4   GROUND   Primary 
S5   S0R- (B-)   Primary 
S6   S0R+ (B+)   Primary 
S7   GROUND   Primary
S8   GROUND  
S9   S1T+    Secondary
S10   S1T-    Secondary
S11   GROUND    Secondary
S12   S1R-   Secondary
S13   S1R+   Secondary
S14   GROUND   Secondary
S15 RSVD Reserved
S16  GROUND Tertiary
S17   S2T+ Tertiary
S18   S2T- Tertiary
S19 GROUND Tertiary
S20 S2R- Tertiary
S21 S2R+ Tertiary
S22 GROUND Tertiary
S23 S3T+ Quarternary
S24 S3T- Quarternary
S25 GROUND Quarternary
S26 S3R- Quarternary
S27 S3R+ Quarternary
S28 GROUND Quarternary
P1 +3.3V  
P2 +3.3V  
P3 +3.3V precharge
P4 GROUND  
P5 GROUND  
P6 GROUND  
P7 +5V precharge
P8 +5V  
P9 +5V  
P10 GROUND  
P11 READY LED  
P12 GROUND  
P13 +12V precharge
P14 +12V  
P15 +12V  

P1-P3 are optional?

43 pin SAS Multilink SFF-8630 drive plug connector layout
43 pin SAS Multilink SFF-8630 drive plug connector
at the storage device
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