![Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics](https://m.media-amazon.com/images/I/71ixvAtACOL._AC_UF350,350_QL80_.jpg)
Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics
![Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics](https://m.media-amazon.com/images/I/71BwzobxtrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics
![Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics](https://m.media-amazon.com/images/S/aplus-media-library-service-media/ab5f29c7-7e38-4633-a514-9357b5c5d6d1.__CR0,0,2560,2560_PT0_SX300_V1___.jpg)
Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics
![Amazon.com: Syba Single Port RS-232 DB9 Serial PCI-e 2.0 x1 Expansion Card MCS9922 SD-PEX15021 : Electronics Amazon.com: Syba Single Port RS-232 DB9 Serial PCI-e 2.0 x1 Expansion Card MCS9922 SD-PEX15021 : Electronics](https://m.media-amazon.com/images/I/71EBiES1FdL.jpg)
Amazon.com: Syba Single Port RS-232 DB9 Serial PCI-e 2.0 x1 Expansion Card MCS9922 SD-PEX15021 : Electronics
![Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics](https://m.media-amazon.com/images/I/613+2PxNdlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics
![Amazon.com: StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P) : Electronics Amazon.com: StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P) : Electronics](https://m.media-amazon.com/images/I/81h2TlEAM7L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P) : Electronics
![Jeirdus PCIe Parallel Serial Combo Card RS-232 COM and DB25 Serial Port for Printer - LPT to PCI Express - WCH382 Chip with Low Support : Amazon.com.be: Electronics Jeirdus PCIe Parallel Serial Combo Card RS-232 COM and DB25 Serial Port for Printer - LPT to PCI Express - WCH382 Chip with Low Support : Amazon.com.be: Electronics](https://m.media-amazon.com/images/I/41a1QzvObDL._AC_SY1000_.jpg)
Jeirdus PCIe Parallel Serial Combo Card RS-232 COM and DB25 Serial Port for Printer - LPT to PCI Express - WCH382 Chip with Low Support : Amazon.com.be: Electronics
![Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics](https://images-na.ssl-images-amazon.com/images/I/61le-7WTYpL._AC_UL600_SR600,600_.jpg)
Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics
![Amazon.com: StarTech.com 2 Port USB 3.1 (10Gbps) Card - USB-A 1x External 1x Internal - PCIe USB 3.1 Card with Type-A - PCI Express (PEXUSB311EI) : Electronics Amazon.com: StarTech.com 2 Port USB 3.1 (10Gbps) Card - USB-A 1x External 1x Internal - PCIe USB 3.1 Card with Type-A - PCI Express (PEXUSB311EI) : Electronics](https://m.media-amazon.com/images/I/71inEiWg69L.jpg)
Amazon.com: StarTech.com 2 Port USB 3.1 (10Gbps) Card - USB-A 1x External 1x Internal - PCIe USB 3.1 Card with Type-A - PCI Express (PEXUSB311EI) : Electronics
![Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics](https://m.media-amazon.com/images/I/71DCnzYRuhL._AC_UF350,350_QL80_.jpg)
Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics
![Amazon.com: StarTech.com 8-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Card - 16C1050 UART - Multiport Serial DB9 Controller/Expansion Card - 15kV ESD Protection - Windows & Linux (PEX8S1050) : Electronics Amazon.com: StarTech.com 8-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Card - 16C1050 UART - Multiport Serial DB9 Controller/Expansion Card - 15kV ESD Protection - Windows & Linux (PEX8S1050) : Electronics](https://m.media-amazon.com/images/I/81zhCqS6TXL.jpg)
Amazon.com: StarTech.com 8-Port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Card - 16C1050 UART - Multiport Serial DB9 Controller/Expansion Card - 15kV ESD Protection - Windows & Linux (PEX8S1050) : Electronics
![Amazon.com: StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B) Amazon.com: StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)](https://m.media-amazon.com/images/I/813Wplu+9DL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)
![Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics](https://m.media-amazon.com/images/I/816uYLDielL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics
![StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics - Amazon.com StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics - Amazon.com](https://m.media-amazon.com/images/I/41sZK6dpe5L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA82%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics - Amazon.com
![Amazon.com: StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics Amazon.com: StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics](https://m.media-amazon.com/images/I/711ShPqFrgL.jpg)
Amazon.com: StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16550 UART - Low Profile Expansion Card - Windows & Linux (PEX1S553LP) : Electronics
![Amazon.com: StarTech.com 2 Port PCI Express FireWire Card - 1394a Firewire - TI TSB82AA2 Chipset - Windows & Mac Compatible (PEX1394A2V2) : Electronics Amazon.com: StarTech.com 2 Port PCI Express FireWire Card - 1394a Firewire - TI TSB82AA2 Chipset - Windows & Mac Compatible (PEX1394A2V2) : Electronics](https://m.media-amazon.com/images/I/81aoO1nAuML._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2 Port PCI Express FireWire Card - 1394a Firewire - TI TSB82AA2 Chipset - Windows & Mac Compatible (PEX1394A2V2) : Electronics
![Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P) Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P)](https://m.media-amazon.com/images/I/81-L37aFctL.jpg)
Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P)
![Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P) Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P)](https://m.media-amazon.com/images/I/51lQrqg8FPL.jpg)
Amazon.com: StarTech.com 2S1P PCI Serial Parallel Combo Card with 16550 UART - IEEE 1284 Card - Serial Parallel PCI - PCI Serial Adapter (PCI2S1P)
![Amazon.com: MZHOU PCI-E PCI Express to 1 SATA 3.0 to 1 Port M.2 NGFF SATA Adapter Card with Low Profile Bracket : Electronics Amazon.com: MZHOU PCI-E PCI Express to 1 SATA 3.0 to 1 Port M.2 NGFF SATA Adapter Card with Low Profile Bracket : Electronics](https://m.media-amazon.com/images/I/71v+6LEij8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: MZHOU PCI-E PCI Express to 1 SATA 3.0 to 1 Port M.2 NGFF SATA Adapter Card with Low Profile Bracket : Electronics
![Amazon.com: StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550 : Electronics Amazon.com: StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550 : Electronics](https://m.media-amazon.com/images/I/81jrl0OntUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550 : Electronics
![Amazon.com: StarTech.com Dual Port PCIe Network Card - Low Profile - RJ45 Port - Realtek RTL8111H Chipset - Ethernet Network Card - Dual Port Gigabit NIC (ST1000SPEXD4) : Electronics Amazon.com: StarTech.com Dual Port PCIe Network Card - Low Profile - RJ45 Port - Realtek RTL8111H Chipset - Ethernet Network Card - Dual Port Gigabit NIC (ST1000SPEXD4) : Electronics](https://m.media-amazon.com/images/I/61eJj-pg8VL.jpg)
Amazon.com: StarTech.com Dual Port PCIe Network Card - Low Profile - RJ45 Port - Realtek RTL8111H Chipset - Ethernet Network Card - Dual Port Gigabit NIC (ST1000SPEXD4) : Electronics
![Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics](https://images-na.ssl-images-amazon.com/images/I/81wEt9fCK4L._AC_UL600_SR600,600_.jpg)
Amazon.com: StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART - Serial Adapter - PCI-X - RS-422/485 x 2 - PCI2S4851050 : Electronics
![Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics](https://m.media-amazon.com/images/I/6169ei3KnGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02) : Electronics
![Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics Amazon.com: MZHOU PCI-Express PCIe Expansion Card - 1X Serial COM interfaces - COM Port RS232 Interface - Adapter Converter Card, RS-232 Module with 4 Connections, 18-pin : Electronics](https://m.media-amazon.com/images/I/71-rzT0lB-L._AC_UF350,350_QL80_.jpg)