Francisco Partners, a technology-focused investment firm, has made a $75 million investment in Corsair Components. Fremont, CA-based Corsair is a supplier of PC components. Catering primarily to gaming enthusiasts who build their own PCs or buy pre-assembled customized systems, Corsair's products include DDR3 memory upgrades, mobile storage drives, power supply units, solid-state drives, PC speakers, gaming headsets, gaming keyboards and laser gaming mice, among other items.