Universal Adapter HDD 25gt 35
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Universal Adapter HDD 2.5>, 3.5

It is a support to adapt the 25 HDD inside a desktop pc with media only for HDD 35 In my case it served to upgrade to SSD The side holes are in the same position HDDs 35 so it should work with most PCs ...

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Universal Adapter HDD 2.5>, 3.5 alternatives