HP Inc. HP Serial Port Flex IO V3 (5B895AA) - 1 x 9-pin DB-9 Serial Male

StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - 1 port PCI Express RS232 serial controller card w/16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port | 256 byte FIFO | 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Expansion card w/low profile (Std bracket incl) - Win/Linux

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - 4 port PCI Express RS232 serial controller card w/16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port | 256 byte FIFO | 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Std bracket (low profile incl); Breakout cable - Win/Linux

StarTech.com 3 Port 2b 1a Low Profile 1394 PCI Express FireWire Card Adapter - 2 x 9-pin Female IEEE 1394b FireWire 800

StarTech.com 4 Port PCIe Serial Adapter Card with 16550 - Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot - 4 port pcie serial card - 4 port rs232 card - 4 port serial adapter - 4 port pci express serial card - pci express db9 serial card

HP Inc. HP DisplayPort Port Flex IO v2 - 0.65" (16.50 mm) Height x 1.65" (41.80 mm) Width x 1.54" (39 mm) Depth - Black - 1

StarTech.com 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, COM Retention, Low Profile, Win & Linux - Connect a serial RS232 (DB9) device using this PC Serial Card. Supports 16C1050 UART. LED lights to monitor activity on the PCI express DB9 card - The UART PCIe card supplies 5/12V over pin 9. Continue using legacy hardware with this RS232 PCIe card

StarTech.com 2-Port Serial PCIe Card, Dual-Port RS232/RS422/RS485 Card, 16C1050 UART, ESD Protection, Windows/Linux, TAA-Compliant - 2-Port PCIe Serial Card features on-board DIP switches allowing each DB9 port to operate in RS-232/RS-422/RS-485 independently; Jumpers provide the option of 12V/5V/RI @ 1.5A per port; Includes Low-Profile Brackets; Supports Windows/Linux

HP Inc. Type-C USB 3.1 Gen2 Port with 100W PD v2 - 0.66" (16.70 mm) Height x 1.64" (41.60 mm) Width x 1.56" (39.70 mm) Depth - Black, Silver

HP Inc. HP Thunderbolt 3.0 Flex IO v3 - Plug-in Card - 1 Thunderbolt Port(s) - PC