Multiport Serial Adapters
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StarTech.com PEX4S953LP 4-port PCI Express RS232 Serial Adapter Card – PCIe Serial DB9 Controller Card 16950 UART – Low Profile – Windows macOS
$116.00Original price was: $116.00.$101.00Current price is: $101.00. -
StarTech.com PEX8S1050LP 8-Port PCI Express RS232 Serial Adapter Card -PCIe to Serial DB9 Controller 16C1050 UART – Low Profile – 15kV ESD –
$210.00Original price was: $210.00.$194.00Current price is: $194.00. -
StarTech.com PEX4S232485 4 Port PCI Express PCIe Serial Combo Card – 2 x RS232 2 x RS422 / RS485
$150.00Original price was: $150.00.$138.00Current price is: $138.00. -
StarTech.com PEX4S553B 4 Port PCI Express Serial Card w/ Breakout Cable
$117.00Original price was: $117.00.$101.00Current price is: $101.00. -
StarTech.com PCI2S5502 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low Profile
$33.00Original price was: $33.00.$26.00Current price is: $26.00. -
Brainboxes ES-279-X24M 8 Port RS232 Ethernet to Serial Adapter
$1,437,600.00Original price was: $1,437,600.00.$11,358.22Current price is: $11,358.22. -
C2G 26806 Lava Octopus 8-Port PCI 16550 DB9 Serial Card
$489.00Original price was: $489.00.$250.00Current price is: $250.00. -
StarTech.com PEX8S1050 8-Port PCI Express RS232 Serial Adapter Card – PCIe to Serial DB9 RS232 Controller Card – 16C1050 UART – 15kV ESD – Win/Linux
$210.00Original price was: $210.00.$194.00Current price is: $194.00. -
SIIG JJ-E40011-S5 DP CyberSerial 4S PCIe Board
$115.00Original price was: $115.00.$95.00Current price is: $95.00. -
StarTech.com PEX4S953 4-port PCI Express RS232 Serial Adapter Card – PCIe to Serial DB9 RS-232 Controller Card – 16950 UART – Windows, macOS, Linux
$116.00Original price was: $116.00.$101.00Current price is: $101.00. -
IO Crest SY-PEX15066 4 Port RS-232 DB9 Serial M.2 B+M Key Controller Card
$45.99Original price was: $45.99.$32.95Current price is: $32.95. -
StarTech.com PEX16S550LP 16 Port PCI Express Serial Card – Low-Profile – High-Speed PCIe Serial Card with 16 DB9 RS232 Ports
$418.00Original price was: $418.00.$394.00Current price is: $394.00. -
Black Box IC983C-R2 PCIe Bus Serial Board – (2) RS-232/422/485, (2) DB9
$321.25Original price was: $321.25.$243.60Current price is: $243.60. -
Tripp Lite PCE-D9-04-CBL 4-Port DB9 RS232 PCI Express Serial Card PCIe w/Breakout Cable
$189.00Original price was: $189.00.$65.00Current price is: $65.00. -
Brainboxes ES-413 Multiport Serial Adapter
$243.00Original price was: $243.00.$205.00Current price is: $205.00. -
SYBA Multimedia SI-PEX15041 8-Port RS-232 Serial PCI-Express, Revision 2.0; with Exar Chipset
$79.99Original price was: $79.99.$70.17Current price is: $70.17. -
Brainboxes ES-457 Multiport Serial Adapter
$243.00Original price was: $243.00.$197.00Current price is: $197.00. -
Black Box IC190C-R2 RS-232 PCI Card, 8-Port, Low Profile, 16854 UART
$640.00Original price was: $640.00.$485.00Current price is: $485.00. -
Black Box IC1600C RS-232 PCI Card, 16-Port, 16854 UART
$789.12Original price was: $789.12.$581.13Current price is: $581.13. -
Black Box IC984C Async PCI Express Card, Serial 16-Port, RS-232
$1,276.00Original price was: $1,276.00.$980.00Current price is: $980.00. -
SYBA Multimedia SI-PEX15038 4 Port DB9 Serial PCI-e x1 Card
$45.99Original price was: $45.99.$39.90Current price is: $39.90. -
SIIG JJ-P20211-S7 DP CyberSerial 2S PCI
$31.00Original price was: $31.00.$26.00Current price is: $26.00. -
StarTech.com PEX4S553S 4 Port PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection
$150.99Original price was: $150.99.$110.10Current price is: $110.10. -
Brainboxes PX-346 4 Port RS422/485 PCI Express Serial Card
$357.00Original price was: $357.00.$305.00Current price is: $305.00. -
Brainboxes US-842 8 Port RS422/485 USB to Serial Adapter
$483.00Original price was: $483.00.$413.00Current price is: $413.00. -
Brainboxes US-701 4 Port RS232 USB to Serial Server
$226.00Original price was: $226.00.$184.00Current price is: $184.00. -
Brainboxes US-313 2 Port RS422/485 USB to Serial Adapter
$211.00Original price was: $211.00.$172.00Current price is: $172.00. -
Brainboxes US-279 8 Port RS232 USB to Serial Adapter
$387.00Original price was: $387.00.$314.00Current price is: $314.00. -
Brainboxes ES-842 8 Port RS422/485 Ethernet to Serial Adapter
$706.00Original price was: $706.00.$574.00Current price is: $574.00. -
Brainboxes ES-313 2 Port RS422/485 Ethernet to Serial Adapter
$198.00Original price was: $198.00.$161.00Current price is: $161.00. -
Brainboxes ES-522 Industrial Ethernet to Serial 2xRS232/422/485
$409.00Original price was: $409.00.$332.00Current price is: $332.00. -
Brainboxes US-346 4 Port RS422/485 USB to Serial Server
$306.00Original price was: $306.00.$249.00Current price is: $249.00. -
Brainboxes ES-279 8 Port RS232 Ethernet to Serial Adapter
$669.00Original price was: $669.00.$543.00Current price is: $543.00. -
Brainboxes ES-701 4 Port RS232 Ethernet to Serial Adapter
$439.00Original price was: $439.00.$356.00Current price is: $356.00. -
StarTech.com MPEX4S552 4 Port RS232 Mini PCI Express Serial Card w/ 16650
$80.00Original price was: $80.00.$73.00Current price is: $73.00. -
Brainboxes PX-275 8 Port RS232 PCI Express Serial Card 25 Pin Connectors
$594.00Original price was: $594.00.$483.00Current price is: $483.00. -
Brainboxes ES-257 2 Port RS232 Ethernet to Serial Adapter
$198.00Original price was: $198.00.$161.00Current price is: $161.00. -
Brainboxes PX-279 8 Port RS232 PCI Express Serial Card 9 Pin Connectors
$594.00Original price was: $594.00.$508.00Current price is: $508.00. -
SIIG JJ-P04621-S7 4-port Multiport Serial Adapter
$93.69Original price was: $93.69.$77.84Current price is: $77.84. -
Brainboxes UC-368 4 Port RS422/485 PCI Serial Port Card With Opto Isolation
$439.00Original price was: $439.00.$356.00Current price is: $356.00. -
Brainboxes VX-034 2-port Multiport Serial Adapter
$137.00Original price was: $137.00.$114.00Current price is: $114.00. -
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
$116.00Original price was: $116.00.$95.00Current price is: $95.00. -
SIIG JJ-E20011-S3 CyberSerial 2-port Multiport Serial Adapter
$59.99Original price was: $59.99.$48.82Current price is: $48.82. -
Brainboxes PX-260 4 Port RS232 Low Profile PCI Express Serial Card
$394.00Original price was: $394.00.$320.00Current price is: $320.00. -
Brainboxes PX-701 4 Port RS232 PCI Express Serial Card
$394.00Original price was: $394.00.$337.00Current price is: $337.00.