I run Amity labs power supplies on my L3's and S9's. This unit powers 2 S9's, very good quality! https://www.ebay.com/itm/Power-Supply-for-Two-x2-Antminer-S9-S7-L3-with-Ready-To-Plug-Harness-/182254895754
OMG the power cables spliced, no way I would use those power cables that come with that PSU!