You could probably use a 1x4 female to female header cable instead of something with Berg on either end for what you want (i.e. shove a standard 1x4 header connector into a Berg socket), though ...

I ended up getting a low-profile SATA to eSATA adapter & cable from Amazon for an IBM server I was refurbishing and putting the boot disk (in my case a spare 2.5 laptop drive) into an eSATA case ...