I'd recommend something like this: https://www.amazon.com/MEAN-WELL-GST60A12-P1J-Regulated-Switching/dp/B013EU0AQQ Spend a few dollars more for a "name brand" (These are by no means high end, but they are well established and fairly reliable) One thing to double check: Some equipment uses 2.1mm x 5.5mm connectors and some uses 2.5mm x 5.5mm connectors. Most astro is the former (as is the power supply linked) but not all (e.g. my CEM mount!)