Mid 2011 27" i5 iMac - SSD upgrade - HD replacement

i want replace hd in mid 2011 27" i5 imac ssd. want replace current drive not add second drive. guides seem adding second drive. don't want noisy drive that's in there stupidly slow these days.

question need? want add
512gb crucial m4 2.5-inch sata 6gb/s

else need? need cable people seem buying on amazon?

 

never mind read model year wrong sure along advise you.

 

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