A lot of times larger SSD have a faster throughput. If each flash module can do n mB/sec then 2n is twice as much. Obviously there’s overhead and how much the

A lot of times larger SSD have a faster throughput. If each flash module can do n mB/sec then 2n is twice as much. Obviously there’s overhead and how much the actual bus can manage, but plenty of 512gb SSDs are ~20% faster than their 256gb brethren.