Proliant DL380 G5 with SAS external 6GB/s for LTO-6 Autoloader

Hi,

I've a problem to find a SAS-HBA with 6GB/s for my DL380 G5

I want install Win2008R2 on it und backup with Novabakcup on a Tapeloader with LTO-6 with external SAS cable.

Anybody knows a Host Bus Adapter for it ?

Thanks.