Cable routing for bay 1 drive in a configuration with bay 0 drive
From (bay 1 drive) To (system board)
Cable
1 Signal connector
1 SATA 2 connector
7pin SATA to 7pin RA SATA cable,
185 mm
2 Power connector
2 SATA power 2 connector 4pin power cable, 300 mm/80 mm
148 ThinkSystem ST45 V3 User Guide