Custom power connector, interesting choice! https://files.mastodon.social/media_attachments/files/111/031/144/652/844/982/original/78edc2dfbe2686ab.jpg
If you fancy having a listen to the Conner harddrive startup sound: https://youtu.be/8ZbbfuXHwlE?feature=shared
The floppy drive is interesting, it's not a slim drive, or a full size, in-between (standard connector though): https://files.mastodon.social/media_attachments/files/111/031/205/913/897/351/original/2340c70ed32a7798.jpg https://files.mastodon.social/media_attachments/files/111/031/206/099/708/374/original/6059bc0726f7284e.jpg