Most HP PC models have 4 or more physical formats (DM USDT SFF TWR etc), make sure your PC is USDT (See 2nd photo for reference, which is bigger than DM but smaller than SFF/MT/TWR). HP Elite 8000 8200 8300 or Elitedesk 800 G1 USDT (Ultra Slim/Small Desktop) SATA Optical Drive Power Cable.
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