I think what you are asking is what has more room !!!!!!!!!!!! The only difference is that the 3124KB has a king size bed and a 2 wardrobe cabinets,one under the king bed and one on the counter!!!! The 3023 has queen size bed and the counter wardrobe and the 3124 has one foot more in the outside storage. Now the 3124KS is way different!!!!!!!! Hope this helped
The Rip We own a 3023!