It’s hard to say, but film grain is noisy and noise does not compress well. In my experiments with lossless video compression without film grain you’d get a ~3:1 compression ratio. With film I’d guess closer to 2:1.
So 16k (15360 x 11520) x 12 bit per channel (36) x 24 fps x 3 hours (10800) is 206 TiB. Even with very generous estimates of compression ratios you’re not fitting this on anything less than a 2U server filled with storage.
It’s hard to say, but film grain is noisy and noise does not compress well. In my experiments with lossless video compression without film grain you’d get a ~3:1 compression ratio. With film I’d guess closer to 2:1.
So 16k (15360 x 11520) x 12 bit per channel (36) x 24 fps x 3 hours (10800) is 206 TiB. Even with very generous estimates of compression ratios you’re not fitting this on anything less than a 2U server filled with storage.