vectors = rng.random((1, 768)).astype(np.float32)
print(vectors.nbytes)
3072
print(vectors.itemsize)
4

bytes_per_float32 = 4
memory_gb = (3000000000 * 1000 * 768 * bytes_per_float32) / (1024**3)
8583068.84765625 = 8.6 TB