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.
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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.