The IT infrastructure company, which counts Samsung among its investors, has closed $45m in debt and equity and has now raised $155m in total.

Pivot3, a US-based virtual desktop infrastructure technology developer backed by electronics conglomerate Samsung, secured $45m in debt and series F equity financing yesterday.

Argonaut Private Equity, S3 Ventures, InterWest Partners, Mesirow Financial Private Equity and Wilson Sonsini Goodrich & Rosati provided the equity component of the round, while the credit portion was supplied by undisclosed banks.

Founded in 2002, Pivot3 produces infrastructure IT technology for the video surveillance, virtual desktop, disaster recovery and video-based security sectors.

Ron Nash, Pivot3’s chairman…