ITEM NAME:4Pin IDE 1-to-2 Y Splitter Extension Power Supply Cable Universal LJAU a.imagelink a:hover.imagelink {color:#32251F;.Expand from one 4pin IDE connector to two 4pin IDE connectors. 4 Pin IDE Power Splitter 1 Male to 2 Female Cable. This expansion/extension adapter cable works great for adding drives and case fan. Convert one Standard 4-pins power plug into 2.