I was installing my 74GB Raptor a couple of days ago, and I noticed that it had both SATA and Legacy (regular molex) power connections. My PSU has SATA outputs, so I hooked it up that way, but I was thinking: if regular legacy works, why did they even make a SATA power connection?
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SATA Power Connections
- Thread starter EnderW
- Start date
I just ran into this as well when I got my Maxtor drives. Appearently Maxtox is just trying to make this an easy assimilation to SATA drive figuring not everyone has a new PSU that would have those connections.
At least that's how it was explained to me.
At least that's how it was explained to me.
The new connector is intended to work seamlessly with hot-swap backplanes. The ground traces protrude slightly out from the other traces, so that they are connected first as the connector is plugged in. This eliminates the risk of sparks and damage from differing ground potentials. As a side benefit, the new Serial ATA power connector is easier to connect/disconnect (which is nice in cramped cases that have sharp edges).
Stiletto One
2[H]4U
- Joined
- May 7, 2002
- Messages
- 3,906
Yup. Xonik beat me to it. 
And yes, they make the drives with both power connector types because that increases the customer pool.
And yes, they make the drives with both power connector types because that increases the customer pool.
I have a Seagate 120SATA that has to have SATA Power and a Western Digital which has legacy power. I'm glad they switched because I've about had it with 4 pin Molex connectors. They SUCK. The pins can get out of alignment which makes them a PITA to insert. I'm glad I got a new Antec 430W PSU with SATA connections.
resident_freq
Gawd
- Joined
- Jul 27, 2001
- Messages
- 998
They let you insert/remove drives without powering down the system. Great for a raid 1 or 5 array if a drive dies, just pull out the dead drive and pop in a good one, start rebuilding the data, zero downtime.