It’s hacked version of Synology DSM 5.0
Recommended hardware for home storage is Zotac ZBOX SD-1D10
Download NanoBoot 5.x.x.x-FAT.img
Burn it to CD or make bootable USB thumb disk from this Boot image file.
Select “Upgrade/Downgrade” Menu after booting
And download and execute “Synology Assistant”.
download and install firmware(DS3612xs).