kouwell(國威) 2-Port Serial ATA PCI Card

http://www.kouwell.com.tw/images/5552pl.jpg

-Chipset: Silicon Image
-One (7 Pin+15 Pin) external and one (7 Pin) internal ports
-Supports ATA RAID 0,1
-Compliant with PCI Specification, revision 2.2
-Provides External Power
-Supports data transfer rates up to 150 MB/sec and hard disk drive larger than 137 GB
-OS: Windows 98SE / ME / NT4.0 / 2000 / XP

1.) 有一個是15pin的external port,市面上有這種SATA排線嗎?速度會比較快嗎?
2.) Provides External Power,"外接SATA裝置可利用SATA連接線提供電源"(產品背後說明,是這樣說的),那不就類似2.5吋USB硬碟外接盒用USB提供電源一樣嗎,有人試過嗎?供電情況穩不穩?
3.) 可否像3.5吋硬碟外接一樣熱插拔 ?
4.) 對ASUS P4S533MX相容性如何?
以上問題,請各位先進幫我解答一下,3Q!!