This product is either discontinued or we cannot get that from suppliers.
IN WIN IP-P315AU7-2, 315W, Typical Efficiency (50% Load) 90.98%, Rating Gold, 1-4+4 Pin +12V CPU Power Connector, SATA Power Connector 2.
In Win 1u Flex-atx 315w Power Supply, 80+ Gold Ip-p315au7-2.