If you ignore legal advice and search for torrents or direct download links, be aware of the specific dangers unique to Spartacus:
Compare this to a 1080p rip, which can be 8–12 GB for the full season. The 480p version saves nearly 75% of your storage space. Spartacus Season 1-- Download In 480p
Legally, no free option allows downloads. Illegally, yes, but you risk legal action and viruses. The safest "free" method is borrowing the DVD from your local library and ripping it yourself. If you ignore legal advice and search for