Did you read the link? > Each bucket contains up to 8 elements to support a hash table load factor of 80% or higher, unlike linear or chained hash tables which

Did you read the link? > Each bucket contains up to 8 elements to support a hash table load factor of 80% or higher, unlike linear or chained hash tables which support a load factor (elements / capacity) of at most 50% and which waste the other 50% of memory.