Asus ESC1000 G2 - Manual (Page 45)

2-25 ASUS ESC1000 G2
Back side
The back side of the SATA backplane faces the rear panel when installed. This side includes
the power connectors and SATA interfaces for the motherboard Serial ATA connectors.
Connectors Description
U1 Connects to 4-pin plug of the power supply
CON1/CON2/
CON3/CON4
Connects to SATA/SAS connectors on the motherboard
U1
CON1
CON2
CON3
CON4