Snatch it and buy this power cable. https://www.amazon.com/CableMod-ModMesh-12VHPWR-PCI-Extension/dp/B0BJ268GF2?th=1
Extensions would work as well, yep! This would be our 3x8 option that would plug into your stock PSU cables: https://www.amazon.com/CableMod-ModMesh-12VHPWR-Extension-16-pin/dp/B0BJ268GF2?ref_=ast_sto_dp&th=1