Works well but connecting the white part is a little tricky. The white end is fragile. Over time, a hard drive connected to this Y-cable will keep failing. I replaced it with another spare part. The problem is gone.
Pros
Convenient Molex to SATA power adapter cable provides power to two SATA drives from a single LP4 connector; Connect the latest Serial ATA hard drives or optical drives to a power supply with older Molex LP4 connectors