Seems like a decent deal its internal and external capable which is different
SATAII:
Sequential Read : Up to 250MB/S
Sequential Write : Up to 180MB/S
USB 3.0:
Sequential Read : Up to 200MB/S
Sequential Write : Up to 170MB/S
http://www.newegg.com/Product/Product.aspx?Item=N82E16820211555
SATAII:
Sequential Read : Up to 250MB/S
Sequential Write : Up to 180MB/S
USB 3.0:
Sequential Read : Up to 200MB/S
Sequential Write : Up to 170MB/S
http://www.newegg.com/Product/Product.aspx?Item=N82E16820211555