This is how I would do it.
- Turn web sharing on on your computer
- Dump your 4gb+ files in the web space on your computer
- Open the web browser of your PS3, point it to your computer, download to internal HDD.
US 4USB ports OFW 3.15 PS Ubuntu
EU 4USB ports CFW 4.21.1 REX
There is only one OS; AmigaOS, the rest are just [l]imitations.