HP Type-C USB 3.1 Gen2 Port Flex IO Option Card 3TK78AA for EliteDesk 800 705 G4 | eBay
HP Flex IO Card DisplayPort HDMI VGA Type-C RS232 Port for EliteDesk 800 ProDesk | eBay
HP Flex IO V2 10Gbase T Module 56Q71AA for 1L PCs
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HP FLEX IO Option Cards
HP ProDesk 405 G4 Mini Dual Internal 1GbE NICs with a Catch - Page 4 of 4
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HP Flex IO 2nd V2 Card Serial port for EliteDesk 800 G6 mini desktop 35W or 65W 805 G6 mini desktop ProDesk 400 G6 mini desktop 405 G6 mini desktop 600 G6 mini desktop - Office Depot