You can even upload a whole movie it depends on MBs, you can get nostr.build premium or satellite.earth paid storage.
Discussion
Wow! Amazing improvement so far! Thanks Stefan for the heads-up!
Any URL that ends .mp4 can be posted as a note and the video will be fetched no matter how long => 569.2M
https://ia800903.us.archive.org/32/items/Night.Of.The.Living.Dead_1080p/NightOfTheLivingDead.mp4
npub1eek26qhlhptxku39008vnpdzlalksd5z0sn2s4ynmnscwz260h7q57sxmr