IF Bitmain is not Shipping PSU go to EBAY and buy a replacement. For D3 you can use a PC power supply with adapter or an HP server supply with Adapter header there are many alternatives that work 100%.
Bitmain is shipping October /November batches D3 with firmware upgrade to 19.3 GHS some have already received these miners and have posted the proof new D3 firmware is 19.3 ghs.