Shop Serial Adapters
Industrial Serial Adapter Customer Favorites
Lava Computer Quattro-PCI 4 Port Serial Adapter - 4 x 9-pin DB-9 Male RS-232 Serial
Lava Computer Quattro-PCI 4 Port Serial Adapter - 4 x 9-pin DB-9 Male RS-232 Serial
Buy New $99.95  $65.20

Quick View

SIIG 8-port Multiport Serial Adapter - Universal PCI - 8 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - ID-P80011-S1
SIIG 8-port Multiport Serial Adapter - Universal PCI - 8 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - ID-P80011-S1
Buy New $349.99  $248.99

Quick View

SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-232 Serial PCI Express - 1 Pack - ID-E20011-S1
SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-232 Serial PCI Express - 1 Pack - ID-E20011-S1
Buy New $79.99  $73.42

Quick View

StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card - 4 x DB-9 Male RS-422/485 Serial Via Cable - Plug-in Card - PCI4S422DB9
StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card - 4 x DB-9 Male RS-422/485 Serial Via Cable - Plug-in Card - PCI4S422DB9
Buy New $76.99  $70.28

Quick View

Digi 4r 920 Multiport Serial Adapter - 4 x DB-25 Male Serial - Plug-in Card -
Digi 4r 920 Multiport Serial Adapter - 4 x DB-25 Male Serial - Plug-in Card -
Buy New  $646.00

Quick View

Digi 8r 920 Multiport Serial Adapter - 8 x DB-25 Male Serial - Plug-in Card -
Digi 8r 920 Multiport Serial Adapter - 8 x DB-25 Male Serial - Plug-in Card -
Buy New  $745.00

Quick View

StarTech.com 1 Port Industrial USB to RS232 Serial Adapter with 5KV Isolation and 15KV ESD Protection - 1 Pack - 1 x Type B Female ...
StarTech.com 1 Port Industrial USB to RS232 Serial Adapter with 5KV Isolation and 15KV ESD Protection - 1 Pack - 1 x Type B Female ...
Buy New $125.99  $84.24

Quick View

SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-422/485 Serial PCI Express - 1 Pack - ID-E20211-S1
SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-422/485 Serial PCI Express - 1 Pack - ID-E20211-S1
Buy New $189.99  $136.99

Quick View

Digi 4r 920 Multiport Serial Adapter - 4 x DB-25 Male Serial - Plug-in Card - DB-25 Male Fan-out Cable - 70001361
Digi 4r 920 Multiport Serial Adapter - 4 x DB-25 Male Serial - Plug-in Card - DB-25 Male Fan-out Cable - 70001361
Buy New $680.00  $562.51

Quick View

Digi 8r 920 Multiport Serial Adapter - 8 x DB-25 Male Serial - Plug-in Card - DB-25 Male Fan-out Cable - 70001362
Digi 8r 920 Multiport Serial Adapter - 8 x DB-25 Male Serial - Plug-in Card - DB-25 Male Fan-out Cable - 70001362
Buy New $832.00  $616.35

Quick View

SIIG 2-port uPCI Serial Adapter - 2 x 9-pin DB-9 Male RS-232/422/485 Serial Universal PCI - 1 Pack - ID-P20011-S1
SIIG 2-port uPCI Serial Adapter - 2 x 9-pin DB-9 Male RS-232/422/485 Serial Universal PCI - 1 Pack - ID-P20011-S1
Buy New $169.99  $119.99

Quick View

Digi 8r 920 Multiport Serial Adapter - 8 x DB-9 Male RS-232 Serial, 8 x DB-25 Male RS-232 Serial - Plug-in Card - 77000561
Digi 8r 920 Multiport Serial Adapter - 8 x DB-9 Male RS-232 Serial, 8 x DB-25 Male RS-232 Serial - Plug-in Card - 77000561
Buy New $763.00  $613.68

Quick View

SIIG 4-port MultiPort Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - Retail - ID-P40111-S1
SIIG 4-port MultiPort Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - Retail - ID-P40111-S1
Buy New $149.99  $115.99

Quick View

SIIG 8-port Multiport Serial Adapter - PCI Express - 8 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-E80011-S1
SIIG 8-port Multiport Serial Adapter - PCI Express - 8 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-E80011-S1
Buy New $289.99  $222.99

Quick View

SIIG 4-port MultiPort Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232/422/485 Serial - Plug-in Card - Retail - ID-P40011-S1
SIIG 4-port MultiPort Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232/422/485 Serial - Plug-in Card - Retail - ID-P40011-S1
Buy New $239.99  $173.99

Quick View

SIIG 4-port Multiport Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-P40211-S1
SIIG 4-port Multiport Serial Adapter - Universal PCI - 4 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-P40211-S1
Buy New $199.99  $145.99

Quick View

Lava Computer PCI Bus 16550 Single Serial Board - 1 x 9-pin DB-9 Male RS-232 Serial - Sserial-PCI
Lava Computer PCI Bus 16550 Single Serial Board - 1 x 9-pin DB-9 Male RS-232 Serial - Sserial-PCI
Buy New $39.95  $30.98

Quick View

Perle SPEED1 LE Express 1 Port PCI Express Serial Card - 1 x 9-pin DB-9 Male RS-232 Serial - 04003140
Perle SPEED1 LE Express 1 Port PCI Express Serial Card - 1 x 9-pin DB-9 Male RS-232 Serial - 04003140
Buy New $59.00  $45.01

Quick View

SIIG 4-port Multiport Serial Adapter - PCI Express - 4 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-E40011-S1
SIIG 4-port Multiport Serial Adapter - PCI Express - 4 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card - Retail - ID-E40011-S1
Buy New $179.99  $125.99

Quick View

SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-232 Serial PCI Express - 1 Pack - ID-E20111-S1
SIIG 2-port PCI Express Serial Adapter - 2 x 9-pin DB-9 Male RS-232 Serial PCI Express - 1 Pack - ID-E20111-S1
Buy New $99.99  $70.24

Quick View

SIIG 8-port Multiport Serial Adapter - PCI Express - 8 x DB-9 Male RS-232/422/485 Serial Via Cable - Plug-in Card - Retail - ID-E80111-S1
SIIG 8-port Multiport Serial Adapter - PCI Express - 8 x DB-9 Male RS-232/422/485 Serial Via Cable - Plug-in Card - Retail - ID-E80111-S1
Buy New $409.99  $291.99

Quick View

SIIG 2-Port USB to RS-422/485 Serial Adapter - 1 x 4-pin Type B Female USB 2.0 USB, 2 x 9-pin DB-9 Male RS-422/485 Serial USB ...
SIIG 2-Port USB to RS-422/485 Serial Adapter - 1 x 4-pin Type B Female USB 2.0 USB, 2 x 9-pin DB-9 Male RS-422/485 Serial USB ...
Buy New $99.99  $65.24

Quick View