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What terms should I search for for vintage PSUs with the switch?

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First post, by Woody72

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Hi guys, Bit of a daft question probably bit I'd like to snag up a couple of spare PSUs whilst they're still around. I've tried searching for 'AT power supply' with mixed results but is there a better term I should be searching for? I'm referring to the PSUs with the side by side motherboard connectors and a physical switch. TIA.

Modern PC: i7-9700KF, 16GB memory, RTX 3060. Proper PC: Pentium 200 MMX, 128MB EDO memory, GeForce2 MX(200).

Reply 1 of 2, by Errius

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Lots of detail here

https://czman11.tripod.com/pwr_sup_formfact.pdf

AT PSU = Huge thing the size of a shoebox
Baby AT PSU = Smaller but still very large by modern standards, roughly cubic in shape
LPX PSU = Same size as modern ATX PSU but using the older AT connectors

Additionally you have to distinguish between 'desktop' PSUs with rocker button on the side and 'tower' PSUs with the switch on the end of a cable.

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