The free shipping makes this a pretty good deal. Hard to find these cheaper in quantities like this.
Supermicro PWS-920P-SQ 920W 1U Power Supply w/ PFC & PM Bus Redundant Module 672042077205 | eBay
Supermicro PWS-920P-SQ 920W 1U Power Supply w/ PFC & PM Bus Redundant Module 672042077205 | eBay