Unibody WD hard drive upgrade Question

i saw video guy put drive 1tb wd mypassport un macbook unibody. have tried self connections different , can find video. doing wrong or not possible?

 

normally possible put 2.5" s-ata hdd maximum height of 12.5 mm in unibody macbook, maybe hdd has propriety connector wd put on there.
can make photo of hdd's connector , attach next post?

how attach image mr post.​

macbook, macbook pro: replacing hard disk drive, transferring data new hdd

the guide includes:

• 0. identify macbook or macbook pro
• 1. getting new hdd
• 2. guides replace internal hdd newer one
• 3. transferring data old hdd new hdd
• 4. using optical disk drive (odd) slot placing ssd or hdd inside mb/p (optibay)

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