Mini-SAS SFF-8087 internal connector pinout signals @ PinoutGuide.com

The SFF-8087 connector is widely used on SAS cards. It carries four SATA/ SAS connections providing up to 12gbps of throughput using SAS or SATA II 3.0gbps devices.

The Mini SAS 4i receptacle connector is the right angle connector defined in SFF-8087 with
the 36 circuit size defined in SFF-8086.

Pin function	Side B Pin	Side A Pin	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
Sideband 0	B8	A8	Sideband 7
Sideband 1	B9	A9	Sideband 3
Sideband 2	B10	A10	Sideband 4
Sideband 6	B11	A11	Sideband 5
GND	B12	A12	GND
Tx2+	B13	A13	Rx2+
Tx2-	B14	A14	Rx2-
GND	B15	A15	GND
Tx3+	B16	A16	Rx3+
Tx3-	B17	A17	Rx3-
GND	B18	A18	GND

The use of the sideband signals by a controller is vendor-specific. One implementation of the sideband signals by a controller is an SGPIO initiator interface (see SFF-8485). Other implementations shall be compatible with the signal levels defined in SFF-8485.

According to 1 reports in our database (1 positive and 0 negative) the Mini-SAS SFF-8087 internal connector pinout should be correct.

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hard drive connector

Mini-SAS SFF-8087 internal connector pins and signals