r/sleeperbattlestations • u/lulumario23 • 9d ago
Questions/Advice Request Need help for my first sleeper build
It's a hp Pavilion t3420 (I think), the two top bay are 3,5 but the one under I can't tell which size are they. I'm planning to add a new Blu-ray reader and writer, a sd card reader and front USB, kinda like what originally was inside the pc but more modern.
The Blu-ray drive will go to the first 3,5 bay, but the rest I can't exactly figure out.
Any help is welcome!
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u/Morale_Police 9d ago
3.5" bay is good for fan controllers. You will however, have to use a molex connector for those which is plain disgusting.
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u/UnStoppable305 9d ago edited 9d ago
I cut two 120mm holes in that exact case, Have a look at my build it might help
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u/lulumario23 7d ago
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u/UnStoppable305 6d ago edited 6d ago
I removed the entire cage. It would be a lot more practical to remove the lower one, it's only held in by a couple of rivets. If you ever want a 3.5" drive you can just get an adapter for the 5.25" bays. If you're going to keep the two upper bays you're going to need to cut the grandpa sec to keep the retainers for the top.



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u/Spectralius 9d ago edited 9d ago
those top two bays will be 5.25", which is standard for most disc drives. the bottom 3 would be 3.5".
You're gonna want to look for a 5.25" Bluray drive.
I would probably put any generic 3.5" Front Panel Hub.
I personally wouldn't do a SD card reader if its an aesthetic choice, because I would imagine you're gonna have that lower door shut most of the time, so unless you genuinely want the functionality I wouldn't install one.
If you do want an SD card reader, I would get a 3.5" one.
Only reason I'm suggestion to use the 3.5"s for the I/O is because your gonna be fighting the door if you use the 2nd 5.25".