ufodiag company offer Benz Star Compact 4 SD Connect, we offer the version is v2011.09. this version is very stable. ufodiag company also can offer you star c4 without hdd. you can choose if you need the hdd or not. more information, please check this link

http://www.ufodiag.com/benz-star-compact-4-sd-connect-p-1126.html