Adapter for ATX powersupply to use with Amiga 2000? Amikit?

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This seems like a good place to ask my question.

I have an A4000T which has quite a bit of stuff in it:

Cyberstorm PPC 060/233 and 128mb RAM
PIV with Concierto and Paloma
16mb mobo RAM
CD and floppy
2 x DKB3128 (96mb on one and 128mb on the other)
Kickflash + Subway USB
Compact Flash/IDE adapter with a 512mb CF card
1 9gb wide SCSI HD
1 1gb SCSI (Seagate)
1 4.3 GB SCSI (Quantum Fireball)

And another DKB3128 on the way, also fully populated.

Currently this is on the original Amiga PSU, but I have also got a spare NOS equivalent PSU

I have an ATX to AT adapter cable, a generic one bought at the computer shop.

Will this be okay to use, and what ATX PSU should I get in terms of output?

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I can get a 350W PSU for £7.
The rest are higher, 350W should do, yes?

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Confirmed: 350W ATX (bought today at the computer fair for £7) with the AT to ATX converter works fine. On A4000T it is plug and play.

The funny thing is, I was searching through my boxes for a toolkit and at the bottom of one of them I found a 350W ATX power supply. That was the one from my first PC case.
I forgot I had it, what a dufus, eh?  :roll: