Pivot3, a pioneer and innovator in the development of hyper-converged infrastructure (HCI) solutions, has announced a $45 million equity and bank financing closing today. Argonaut Private Equity, a new investor in Pivot3, joins S3 Ventures, InterWest Partners, Mesirow Financial Private Equity and the Wilson Sonsini Goodrich & Rosati investment fund in providing additional equity in this closing.