• In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Type
Show More
External USB Ports
Show More
External 1394 Ports
All Top Brands
Availability
Condition
Current Promotion
Discount
Sold by
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
Quick View
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
  • Type: Controller Card
  • Model #: CL-HD-Addon-116
StarTech.com ICUSB232PRO USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial
Quick View
StarTech.com ICUSB232PRO USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial
  • Type: USB to DB9 (RS-232)
  • Type: Cable Connectors
  • Color: Black
  • Connector Number: 2
  • Model #: ICUSB232PRO
  •  
  • $38.70 
FOR FPGA development board SDRAM Gigabit Ethernet USB serial port
Quick View
  •  
  • $96.76 
  • Free Shipping
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
Quick View
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
  • Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX2S953LP
SerialGear USB to Serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
Quick View
  •  
  • $187.99 
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
Quick View
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
Quick View
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Host Interface: USB Ports: 2 x 9-pin DB-9 Male RS-232 Serial Operating Distance: EIA - RS232 Standard Cable: USB cable Platform Support: PC PCB Layers: 4 Power Consumption: 100mA @ 3.3V Operating Systems: Microsoft Windows 7 32 bit & 64 bit Editions Windows Vista 32 bit & 64 bit Editions Windows XP 32 bit & 64 bit Editions Form Factor: External Dimensions: 3.94" x 4.13" x 1.02" Weight (Approximate): 13.58 oz
  • Connector A: 1x USB
  • Connector B: 2x DB-9 male
  • Model #: US-257
USB to UART module serial port adapter board CP2102 solution
Quick View
  •  
  • $38.57 
  • Free Shipping
StarTech.com ICUSB2321F USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter
Quick View
StarTech.com ICUSB2321F USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter
  • Type: Data Transfer Cable
  • Type: Cable Connectors
  • Color: Black
  • Connector Number: 2
  • Model #: ICUSB2321F
  •  
  • $39.62 
  • Free Shipping
StarTech.com ICUSB2321X USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable
Quick View
StarTech.com ICUSB2321X USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable
  • Type: USB to DB9 (RS-232)
  • Type: Cable Connectors
  • Color: Black
  • Connector Number: 2
  • Model #: ICUSB2321X
StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention - DB9 Male RS232 to USB Converter  1P3FPC-USB-SERIAL
Quick View
  •  
  • $40.40 
StarTech.com Model PLATE9M2P16 16" 2 Port DB9 Serial Port Bracket to 10 Pin Header
Quick View
StarTech.com Model PLATE9M2P16 16" 2 Port DB9 Serial Port Bracket to 10 Pin Header
  • Type: Adapter
  • Type: Serial/IDC
  • Color: Gray
  • Connector Number: 4
  • Model #: PLATE9M2P16
4-port USB Hub Universal Serial Bus
Quick View
  •  
  • $74.99 
  • Free Shipping
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
Quick View
StarTech ICUSB234858I USB to RS-232/422/485 Serial Adapter - 8 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
  • Type: 8-Port Industrial USB to RS-232/422/485 Serial Adapter
  • Color: Black
  • Changer Type: USB to RS-232/422/485 Serial
  • Specifications: Converts a single USB port into eight RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps Single USB 2.0 hub port (pass-through) for daisy chaining, or for connecting an additional USB device to the host COM port expansion with COM retention Self-powered with included external power adapter
  • Model #: ICUSB234858I
  •  
  • $452.65