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Why eSata?

post #1 of 3
Thread Starter 
I have been looking through replacement motherboard options, and I keep hitting a wall.

For whatever reason, many AMD boards use one or two of the onchip Sata controllers for eSata.

eSata is not faster than USB 3.0. It also limits the amount of Sata controllers I can now use internally.

WHY?!?!?!?! So many nice boards, but I really need 8 Sata controllers. 6 For SSD/HDD, and 2 for disc drives.

With an eSata port they normally have fewer than I need. I just don't get it. Maybe if eSata also supplied power(like USB 3)......but I don't see the advantages of taking an onboard Sata port away for it.
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Samsung 840 Evo 500Gb 4x WD10EZEX RAID 10 TT Water 2.0 Extreme push/pull Corsair 500r 
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post #2 of 3
Some eSATA ports provide power and are named eSATAp.

You can try using eSATA to SATA cables if you need all the ports.
post #3 of 3
I've got my DVD Rom plugged into my eSata port on the sabertooth 990FX board without a problem. The only difference I noticed with eSata and normal is the speed.
You get slighty slower speeds on disk drives (noticed it on my SSD) but I hardly use my dvd drives anymore so even if there is a speed difference, I don't notice it. Likely wouldnt notice much of a difference on normal HDD's either, atleast not to the point where you think something is wrong.

I only noticed my SSD was running slower after I ran a benchmark...

You could always get a PCIe internal sata controller if you really needed too, they're pretty cheap, otherwise I've had no problems using the eSata ports on my less-essential equiptment. Like storage drives, old backup drives or DVD drives thumb.gif
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