Serial Cards & Adapters

StarTech.com Serial Cards & Adapters offer a simple, cost-effective way to connect serial devices in your industrial application or server room. They make it easy to add serial ports (RS-232, RS-422, RS-485, etc.) to your computer through common expansion ports such as PCI, PCI Express, and USB.

StarTech.com Serial Cards & Adapters

Model List

Product ID Description
11050-PC-SERIAL-CARD 1-Port PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card, 16C1050 UART, Standard/Low Profile Brackets, COM Retention, Windows/Linux – TAA
1P10FFC-USB-SERIAL 10ft (3m) USB to Serial Adapter Cable, COM Retention, Interchangeable Screws/Nuts, USB-A to DB9 RS232, FTDI IC, ESD Protection, Windows/macOS/Linux
1P10FFCN-USB-SERIAL 10ft (3m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux – Rugged TPE Construction
1P3FFCB-USB-SERIAL 3.3ft (1m) USB to Serial Adapter Cable, COM Retention, Interchangeable Screws/Nuts, USB-A to DB9 RS232, FTDI IC, ESD Protection, Windows/macOS/Linux
1P3FP-USB-SERIAL 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac
1P3FFCNB-USB-SERIAL 3.3ft (1m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux – Rugged TPE Construction
1P3FPC-USB-SERIAL 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac – TAA
1P6FFC-USB-SERIAL 6.6ft (2m) USB to Serial Adapter Cable, COM Retention, Interchangeable Screws/Nuts, USB-A to DB9 RS232, FTDI IC, ESD Protection, Windows/macOS/Linux
1P6FFCN-USB-SERIAL 6.6ft (2m) USB to Null Modem Serial Adapter Cable, COM Retention, FTDI, USB-A to DB9 RS232, Interchangeable DB9 Screws/Nuts, Windows/macOS/Linux
21050-PC-SERIAL-LP 2-Port PCI Express Serial Interface Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Low/Full Profile Brackets, COM Retention, For Windows/Linux – TAA
21050-PC-SERIAL-CARD 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux – TAA
2P1FFC-USB-SERIAL 2ft (60cm) 2-Port USB to Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to DB9 RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux – Rugged TPE Construction
2P6FFC-USB-SERIAL 13ft (4m) 2-Port USB to Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to DB9 RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux – Rugged TPE Construction
2S232422485-PC-CARD 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Brackets Incl., 16C1050 UART, Windows/Linux, TAA Compliant – Level-4 ESD Protection
EC1S232U2 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 – USB Based – TAA
IC232485S Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Protection
ICUSB23208FD 8-Port USB-to-Serial Adapter Hub – TAA
ICUSB23216FD 16-Port USB-to-Serial Adapter Hub – TAA
ICUSB2321FIS 8.3ft (2.5m) 1-Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation, USB to RS232 Adapter – TAA
ICUSB2321F 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter – TAA
ICUSB2321X 1ft (30cm) 1-Port Professional USB to Serial Adapter Cable with COM Retention, USB to RS232 Adapter – TAA
ICUSB2324 4 Port USB to RS232 Serial DB9 Adapter Hub – TAA
ICUSB2322I 2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips – TAA
ICUSB2322F 6ft (1.8m) 2-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter – TAA
ICUSB2324I 4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable – TAA
ICUSB2324852 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention – TAA
ICUSB2328I 8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable – TAA
ICUSB2328 8 Port USB to RS232 Serial DB9 Adapter Hub – TAA
ICUSB232C USB C to Serial Adapter Cable 16″ (40cm) – USB Type C to RS232 (DB9) Converter Cable – USB-C Serial Cable for PLCs, Scanners, Printers – Male/Male – Windows/Mac/Linux
ICUSB232DB25 3ft (91cm) 1-Port USB to Serial Cable, DB9/DB25 RS232 to USB Converter, Prolific, USB to Serial Adapter
ICUSB232FTN 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 – TAA
ICUSB232INT1 24in Internal USB Motherboard Header to Serial RS232 Adapter – TAA
ICUSB232INT2 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter – TAA
ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention – TAA
ICUSB232SM3 3ft (91cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable – M/M
ICUSB232PROC USB C to Serial Adapter Cable with COM Port Retention – 16″ (40cm) USB Type C to RS232 (DB9) Serial Converter Cable – For PLCs, Scanners, Printers – Windows/Mac/Linux
ICUSB232V2 17in (43cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable – M/M
ICUSB234858I 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter – Industrial USB 2.0 to DB9 Serial Converter Hub – IP30 Rated – Din Rail Mountable Metal Serial Hub – 15kV ESD Protection – TAA
ICUSB234854I 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter – Industrial USB 2.0 to DB9 Serial Converter Hub – IP30 Rated – Din Rail Mountable Metal Serial Hub – 15kV ESD Protection – TAA
ICUSB422IS 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation – TAA
ICUSB422 6ft (1.8m) 1-Port Professional RS422/485 USB Serial Cable Adapter with COM Retention, USB to RS422 Adapter – TAA
MPEX4S552 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART – TAA
PCI2S1P2 PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel LPT Port (DB25) – PCI Combo Adapter Card – PCI Expansion Card Controller – PCI to Printer Card
PCI2S1P 2S1P PCI Serial Parallel Combo Card with 16550 UART – TAA
PCI2S4851050 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART – TAA
PCI2S550 2 Port PCI RS232 Serial Adapter Card with 16550 UART – TAA
PCI2S5502 2-Port PCI RS232 Serial Adapter Card – PCI Serial Port Expansion Controller Card – PCI to Dual Serial DB9 Card – Standard (Installed) & Low Profile Brackets – Windows/Linux
PEX16S550LP 16-Port Low-Profile Serial Card – RS232 – PCI Express – TAA
PEX1S1P950 PCIe Card with Serial and Parallel Port – PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port – Expansion/Controller Card – PCIe Printer Card – TAA
PEX1S553LP 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 – TAA
PEX1S953LP 1-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Serial DB9 – 16950 UART – Low Profile Expansion Card – Windows & Linux – TAA
PEX2S1050 2-Port PCI Express Serial Card with 16C1050 UART – RS232 – TAA
PEX2S1P553B 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable
PEX2S553 2-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Dual Serial DB9 Card – 16550 UART – Expansion Card – Windows & Linux – TAA
PEX2S5531P 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART – TAA
PEX2S553LP 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART – TAA
PEX2S953 2-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Dual Serial DB9 Card – 16950 UART – Expansion Card – Windows & Linux – TAA
PEX2S953LP 2-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Serial DB9 – 16950 UART – Low Profile Expansion Card – Windows & Linux – TAA
PEX4S232485 4 Port PCI Express PCIe Serial Combo Card – 2 x RS232 2 x RS422 / RS485 – TAA
PEX4S553 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
PEX4S553B 4 Port RS232 PCI Express Serial Card with Breakout Cable – Replaced by PEX4S953LP
PEX4S953LP 4-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Serial DB9 – 16950 UART – Low Profile Expansion Card – Windows/Linux – TAA
PEX4S953 4-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Serial DB9 Card – 16950 UART – Expansion Card – Windows/Linux – TAA
PEX8S1050 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only – TAA
PEX8S1050LP 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Low Profile Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only – TAA
PS74ADF-SERIAL-CARD 4-Port Serial PCIe Card, Quad-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Bracket Incl., 16C1050 UART, Windows/Linux, TAA Compliant – Level-4 ESD Protection
1P1FFCN-USB-SERIAL 1ft (30cm) USB to Null Modem Serial Adapter Cable, COM Retention, FTDI, USB-A to DB9 RS232, Interchangeable DB9 Nuts/Screws, Windows/macOS/Linux
1P1FFC-USB-SERIAL 1ft (30cm) USB to Serial Adapter Cable, COM Retention, Interchangeable Nuts/Screws, USB-A to DB9 RS232, FTDI IC, ESD Protection, Windows/macOS/Linux