Specific designed risers
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I got my hands on a surplus u4 17 slot, 16 plus controller, pcie expansion chassis minus the internals. This is a bare chassis that only included the card retaining bracket. Now by measurements I should be able to mount a standard atx motherboard inboard, at the front of the chassis, and populate the chassis with six cards. The psu opening appears to be a standard 1u setup, so I should be able to run two high wattage units and have all the power I need. Cooling the chassis is going to come down to if I can mount four or eight 120mm fans, and depending on what the temperatures look like meshing out the top panel and possibly the sides. The major problem I’ve ran into is that without the backpanel and associated controller cards I need a solution to handle interfacing the cards themselves. Mounting the motherboard to the rear is not an option as even if I remove the psu mounting the slots will not line up. This leads me to needing riser/extension cables.
So here’s the problem. Typically risers/extensions are straight saddle mounted on the card interface, what I’m looking for is a through hole or smd/t design that has the cable at a 90[sup]o[/sup] angle rather than straight through. This is only for the expansion port, the cable to motherboard slot can be your typical straight card edge connector at any angle. Essentially, I’m looking for a riser that has the same characteristics as a motherboard or backpane rather than the typical saddle mount design that is common with riser cables.
Anyone happen to have a lead on a sellers that has cables that fit this description, or should I just suck it up and place a digikey/mouser for the connectors and build my own?
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Hot damn those are perfect. With the USB cable approach there should also be better airflow – no having deal with flat ribbons.
Thanks!
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I have been trying to find some of those chassis…any chance you could provide a link or info where you got it.
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The unit itself is a Magma ExpressBox 16 that failed hard. The unit was replaced leaving the bare chassis. Anyhow, the guy that handles recycling and disposal for the company that owned it is a good friend of mine and thought it would be a waste to let it go given there’s nothing wrong with the chassis itself. The only downside was that he kept the fan mounts.
Sorry mate, not sure where you’d find one other than through the Magma if they happen to sell the bare chassis, or through an electronics recycling and dispersal firm.