U - SATA Connectors
Part Number: 4006188RECS 945GCT-M3 Motherboard

SATA Connectors These are the four Serial ATA (SATA) connectors on the motherboard. One SATA device can be plugged into each connector. These connectors support a maximum transfer rate of 150 MB/s per connector.

The connectors are identified by markings on the board as SATA1 - SATA4.