The SFF-8088 is compliant with the latest 6Gb/s Mini-SAS 2.0 spec, and supports 6Gb/s data transfer protocol. The SFF-8088’s Mini-SAS internal counterpart is the SFF-8087.
| Pin Function  | 
			Pin Number  | 
			Pin Number  | 
			Pin Function  | 
		
|---|---|---|---|
| GND | B1 | A1 | GND | 
| Tx0+ | B2 | A2 | Rx0+ | 
| Tx0- | B3 | A3 | Rx0- | 
| GND | B4 | A4 | GND | 
| Tx1+ | B5 | A5 | Rx1+ | 
| Tx1- | B6 | A6 | Rx1- | 
| GND | B7 | A7 | GND | 
| Tx2+ | B8 | A8 | Rx2+ | 
| Tx2- | B9 | A9 | Rx2- | 
| GND | B10 | A10 | GND | 
| Tx3+ | B11 | A11 | Rx3+ | 
| Tx3- | B12 | A12 | Rx3- | 
| GND | B13 | A13 | GND | 
A SAS 4x receptacle connector may be used by one or more SAS devices (e.g., one SAS device using
physical links 0 and 3, another using physical link 1, and a third using physical link 2). A SAS 4x receptacle connector shall be used by no more than one expander device at a time, and all physical links shall be used by the same expander port.
The Mini SAS 4x cable plug connector include key slots to allow attachment to a Mini SAS 4x receptacle connector with matching keys.
 

