Compare StarTech.com 1 Port ExpressCard to RS232 DB9 Serial Adapter Card w/ 16950 - USB Based $43.59 Quick Look
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Compare StarTech.com 1 Port PCI RS232 Serial Adapter Card - PCI1S550 - Serial adapter - PCI - RS-232 - V.24 $36.01 Quick Look
Compare StarTech.com 2 Port PCI Express / PCI-e Parallel Adapter Card - IEEE 1284 with Low Profile Bracket $63.85 Quick Look
Compare StarTech.com 2 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART - Low Profile 2 Port 16550 Serial PCI Card - Serial adapter - PCI - serial - 2 ports $44.28 Quick Look
Compare StarTech.com 4-Port Industrial USB to RS-232/422/485 Serial Adapter - 15 kV ESD Protection - USB to Serial Adapter $192.78 Quick Look
Compare StarTech.com PCI Express Serial Card - 2 port - Dual Channel 16C1050 UART - Serial Port PCIe Card - Serial Expansion Card $45.60 Quick Look
Compare StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial $75.23 Quick Look
Compare StarTech.com USB to Serial Adapter - 2 Port - Wall Mount - Din Rail Clips - Industrial - COM Port Retention - FTDI - DB9 $61.22 Quick Look
Compare StarTech.com USB to Serial Adapter Hub - 4 Port - Bus Powered - DB9 (9-pin) - USB Serial - FTDI USB to Serial Adapter $74.24 Quick Look
Compare StarTech.com USB to Serial Adapter Hub - 4 Port - Industrial - Wall Mount - Din Rail - COM Port Retention - FTDI USB Serial $86.30 Quick Look
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Compare StarTech.com USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub $357.90 Quick Look
Compare StarTech.com USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub $203.53 Quick Look