Serial RS-232 Internal Port Expansion Cards

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976 results

Discontinued and replaced by PEX8S1050 - 4 Port Native PCI Express RS232 Serial
Open Box · StarTech
$122.01
or Best Offer
Free shipping
SEALEVEL 7205ec Rev D-1 Ultra COMM+2.PCIe RS-232/422/485 PCIe IC983C-R2
Pre-Owned
$129.99
or Best Offer
$5.02 shipping
FarSite Communications FarSync T2U PCI synchronous communication card FS4240
Pre-Owned
$69.00
or Best Offer
$5.02 shipping
3 watching
SIIG CyberPro PCI Dual Serial I/O V5.0 Card JJ-P02012-B (P054-Y2) RS-232
Pre-Owned · SIIG
$20.00
$8.75 shipping
Startech.com 2 Port PCIe RS-232 Serial Card Low Profile PEX2S952LP 16950 UART
Pre-Owned · StarTech
$16.99
or Best Offer
Free shipping
98 sold
Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM
Pre-Owned · Dell
$9.94
Free shipping
Dell RS-232 DB9 Serial Low Profile PCIe Interface Card 0NT0HM NT0HM
Pre-Owned · Dell
(1)
$9.99
Free shipping
Only 1 left!
HP Internal Serial Port (405/600/705/800)
Brand New · HP
(2)
$12.99
or Best Offer
Free shipping
Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM
Pre-Owned · Dell
$6.00
or Best Offer
Trending at $7.99
Free shipping
HP Rp5800 Port Serial 640261-001 638946-001 634334-000 632851-001 Rs232 Com
Pre-Owned · HP
$7.50
or Best Offer
Free shipping
1 Port Serial Express Card Adapter!!
Brand New · Syba
$30.00
Free shipping
LX8749 PCIe TO SFF8654-8i expansion card external graphics card M.2 NVMe DU.2
Brand New
$128.00
$5.00 shipping
Cylix Isolated Loop Circuit Surge Protector DB25-RS232 RS-232
Brand New
$13.99
$10.11 shipping
Only 1 left!
ADVANTECH PCI-1620A 8-PORT RS-232 + DB-62 to 8x DB-9 Cable + RS232 to 3.3v TTL
Open Box · Advantech
$99.99
or Best Offer
Free shipping
Only 1 left!
8-Port Serial Expansion card PCIE RS232 Serial Port Expansion Adapter Riser Card
Brand New · Unbranded
$47.90
Was: $54.43was - US $54.43
or Best Offer
$6.99 shipping
Eaton PXMCE-B Com Expansion Card | Ethernet 100FX, 10/100T, RS-485, RS-232
Pre-Owned
$895.00
or Best Offer
$16.29 shipping
StarTech 2-port PCI Express RS232 Serial Adapter Card w/ 16950 UART - PEX2S953LP
Open Box · StarTech
$19.99
or Best Offer
Trending at $29.95
$8.99 shipping
Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM
Pre-Owned · Dell
$7.99
or Best Offer
Free shipping
12 sold
Lot of 5 DELL Sunix RS-232 Low Profile Serial Port PCI-E Interface Card NT0HM
Pre-Owned · Dell
$19.97
or Best Offer
Free shipping
Dell Sunix Serial RS-232 Parallel PCIe Expansion Card YCJ65
Pre-Owned · Dell
$10.97
or Best Offer
Free shipping
StarTech.com PEX2S553 2 Port Native PCI Express RS232 Serial Adapter Card 16550
Open Box · StarTech
$16.99
or Best Offer
Trending at $25.24
$10.75 shipping
StarTech 2 Port PCIe RS-232 Serial Card Low Profile PEX2S553 Lot Of 5
Pre-Owned · StarTech
$47.24
Was: $52.49was - US $52.49
or Best Offer
Free shipping
StarTech Low Profile PCI Express Serial Card 1 Port
Open Box · StarTech
$8.00
$10.00 shipping
X-MEDIA XM-PEX-1P2S | PCI-E Parallel & Serial Combo PCI Express Controller Card
Brand New
(1)
$22.49
Was: $24.99was - US $24.99
Free shipping
68 sold
STARTECH STARTECH.COM PEX4S553 4 RS232 SERIAL PORTS
Pre-Owned · StarTech
$44.99
or Best Offer
$4.50 shipping
StarTech PCI2S1P PCI to Serial Parallel Port Combo Card High Pro | L-U
Pre-Owned · StarTech
(1)
$13.88
or Best Offer
Free shipping
Comtrol Hostess 550 16-Port RS232/422 HOXX5016A
Open Box · Comtrol
$129.00
or Best Offer
Free shipping
New ListingSTARTECH PCI2S550 2 Port PCI Low Profile RS232 Serial Adapter Card
Brand New · StarTech
(2)
$0.99
or Best Offer
$5.02 shipping
0 bids
6d 15h
VScom 400H v3 Universal PCI 4x RS232 2x DB9 uPCI-400H Card UART Serial Interface
Pre-Owned
$29.99
or Best Offer
$6.02 shipping
SIIG Quad-Serial 4-Port / RS-232 PCIe Card Adapter w/ 16C550 UART (LB-S00114-S1)
Brand New · SIIG
$50.99
or Best Offer
Free shipping
312 sold
XX11: Quatech DSP-100 Dual Channel RS-232 PCMCIA Asynchronous 930-1023-03L (G2)
Pre-Owned · Quatech
$30.59
Was: $35.99was - US $35.99
or Best Offer
$4.47 shipping
BOCABOARD IOAT41 25-PIN SERIAL & 9-PIN PARALLEL PORT IO EXPANSION CARD PN9015
Brand New · BOCA
$199.99
$9.70 shipping
Brainboxes VX-001-001 1 Port RS232 ExpressCard Serial Adapter *Open Box New*
Open Box · Brainboxes
$50.00
or Best Offer
Free shipping
StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UAR
Shop With Confidence, Buy From Newegg
Brand New · StarTech
$107.49
Was: $113.49was - US $113.49
$7.51 shipping
Siig JJ-E20311-S1 DP Cyber 1S1P Dual PCIe Card Serial/Parallel Combo Adapter
Brand New · SIIG
$15.75
Free shipping
StarTech 2-port PCI Express RS232 Serial Adapter Card w/ 16950 UART - PEX2S953LP
Brand New · StarTech
$24.49
or Best Offer
Free shipping
Digi 50001136-01 ClassicBoard PCI 8 Plug and Play PNP Asynchronous Adapter Card
Pre-Owned · Digi
(1)
$21.99
or Best Offer
Free shipping
HP Lite-On KB661701 320302-001 PCI-2S1P GP Serial DB-9 Parallel DB-25 PCI Card
Pre-Owned · HP
$10.95
Free shipping
Oxford OXuPCI954 4 Serial RS-232 Ports PCMCIA Adapter w/Cable
Pre-Owned
$44.99
Was: $49.99was - US $49.99
or Best Offer
$18.11 shipping
8 watching
Advantech PCIE-1602C-AE Dual RS-232/422/485 High Speed Serial Port PCI-E Card
Brand New · Advantech
$55.00
or Best Offer
Free shipping
53 sold
HP 400 600 800 Serial Port Card Low G3 PS2 910324-001 910110-002 902760-002
Open Box · HP
$12.85
or Best Offer
Free shipping
SIIG Legacy & Beyond Series Quad (4 Port) Serial RS-232 PCIe Card New Old Stock
Brand New · SIIG
$30.00
or Best Offer
Free shipping
COMTROL 5002195 ROCKETPORT uPCI 8 PORT RJ RJ11 SERIAL PCI CARD 99415-2
Pre-Owned · Comtrol
$39.56
Was: $43.95was - US $43.95
Free shipping
PCIE to 8-Port RS232 Serial Expansion Card Serial Port Expansion Adapter Riser
Brand New · Unbranded
$52.82
Was: $60.71was - US $60.71
or Best Offer
$6.99 shipping
Startech.com 2 Port PCIe RS-232 Serial Card PCI2S4851050
Pre-Owned · StarTech
$2.90
or Best Offer
$6.15 shipping
Only 1 left!
Dell DB9 RS-232 Serial Port Low Profile PCIe Controller Card (L-E) NT0HM 0NT0HM
Brand New · Dell
$10.98
or Best Offer
Free shipping
DIGI 50500023 ARNET SMARTPORT4 ISA DB25F RS232 DTE ISA ADAPTER WITH CABLE
Pre-Owned · Digi
$200.00
or Best Offer
$18.16 shipping
Only 1 left!
SIIG Suntek I/O Extension Serial Parallel ISA Expansion Card
Pre-Owned · SIIG
$39.51
or Best Offer
$19.84 shipping
STARTECH.COM PEX2S553 2PORT PCI EXPRESS RS232 SERIAL
Brand New · StarTech
$35.70
Was: $42.00was - US $42.00
or Best Offer
Free shipping
CompUSA 271773 High Speed PCI Card With 2 Serial & 1 Parallel Port Adapter
Brand New · CompUSA
$9.00
or Best Offer
$7.36 shipping
HP Rp5800 Port Serial 640261-001 638946-001 634334-000 632851-001 Rs232 Com
Pre-Owned · HP
$7.69
or Best Offer
Free shipping
5002505G Comtrol 5002505 PCI RocketPort Express Octa Serial Port Expansion Card
Pre-Owned · Comtrol
$49.99
$14.99 shipping
NEW! ~ Lava Quattro-PCI 4 UART Com Port RS232 Serial Expansion PCI Card
Brand New · Lava
$50.00
or Best Offer
Free shipping
SIIG Inc. I/0 Board I/0 Entension A3 For Use In AT Compatible Computers
Pre-Owned · SIIG
$9.99
$9.78 shipping
Dell Expansion Card 5R3FC YCJ65 Serial RS-232 (DB9) Parallel LPT (DB25) Ports MT
Pre-Owned · Dell
$18.95
or Best Offer
Free shipping
IBM 84F7113 ARTIC 1MB MULTIPORT/2 MICROCHANNEL ADAPTER WITH 57F0881 8 PORT RS422
Pre-Owned · IBM
$225.00
or Best Offer
$14.84 shipping
Only 1 left!
SIIG 16550 Single-Port RS-232 PCIe Serial Card P/N: JJ-P01012 Tested Working
Pre-Owned · SIIG
$19.99
Free shipping
Syba SI-MPE15048 2 Port Serial Mini PCI-e Controller Card (RS-422/485)
Brand New · Syba
$34.05
Free shipping
Fujitsu Technology Dual Serial Card PCIe x1 PI4952-15X2A
Pre-Owned · Fujitsu
$25.99
$6.15 shipping
Sunix 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile SER6427A RK-7708A
Pre-Owned · Sunix
$11.72
Free shipping

Best selling

See All

Advantech - PCIE-1602C-AE - Advantech 2-port RS-232/422/485 PCI Express
$55.00 New
StarTech 4 Port PCIe Rs232 Low Profile Serial Adapter Card PEX4S953LP
$107.49 New
StarTech PEX4S232485 4 Port PCI Express PCIe Serial Combo Card 2 X Rs232
$155.99 New
$74.44 Used
HP 3TK82AA Internal Serial Port for Select EliteDesk and ProDesk
(2)
$12.99 New
StarTech 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX2S553)
$35.70 New
$10.00 Used
StarTech PEX16S550LP 16port PCI Express Serial Card
$434.92 New
SIIG CyberSerial IO 1829 Serial Adapter Jj-p01012 PCI One 16550 UART Port
$14.99 New
StarTech.com PCI1S550 Serial Adapter
(2)
$19.99 New
$11.35 Used

Brand

Compatible Port

Serial RS-232 Internal Port Expansion Cards

Shop by category

976 results

Discontinued and replaced by PEX8S1050 - 4 Port Native PCI Express RS232 Serial

SEALEVEL 7205ec Rev D-1 Ultra COMM+2.PCIe RS-232/422/485 PCIe IC983C-R2

FarSite Communications FarSync T2U PCI synchronous communication card FS4240

SIIG CyberPro PCI Dual Serial I/O V5.0 Card JJ-P02012-B (P054-Y2) RS-232

Startech.com 2 Port PCIe RS-232 Serial Card Low Profile PEX2S952LP 16950 UART

Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM

Dell RS-232 DB9 Serial Low Profile PCIe Interface Card 0NT0HM NT0HM

HP Internal Serial Port (405/600/705/800)

Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM

HP Rp5800 Port Serial 640261-001 638946-001 634334-000 632851-001 Rs232 Com

1 Port Serial Express Card Adapter!!

LX8749 PCIe TO SFF8654-8i expansion card external graphics card M.2 NVMe DU.2

Cylix Isolated Loop Circuit Surge Protector DB25-RS232 RS-232

ADVANTECH PCI-1620A 8-PORT RS-232 + DB-62 to 8x DB-9 Cable + RS232 to 3.3v TTL

8-Port Serial Expansion card PCIE RS232 Serial Port Expansion Adapter Riser Card

Eaton PXMCE-B Com Expansion Card | Ethernet 100FX, 10/100T, RS-485, RS-232

StarTech 2-port PCI Express RS232 Serial Adapter Card w/ 16950 UART - PEX2S953LP

Dell 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile NT0HM

Lot of 5 DELL Sunix RS-232 Low Profile Serial Port PCI-E Interface Card NT0HM

Dell Sunix Serial RS-232 Parallel PCIe Expansion Card YCJ65

StarTech.com PEX2S553 2 Port Native PCI Express RS232 Serial Adapter Card 16550

StarTech 2 Port PCIe RS-232 Serial Card Low Profile PEX2S553 Lot Of 5

StarTech Low Profile PCI Express Serial Card 1 Port

X-MEDIA XM-PEX-1P2S | PCI-E Parallel & Serial Combo PCI Express Controller Card

STARTECH STARTECH.COM PEX4S553 4 RS232 SERIAL PORTS

StarTech PCI2S1P PCI to Serial Parallel Port Combo Card High Pro | L-U

Comtrol Hostess 550 16-Port RS232/422 HOXX5016A

New ListingSTARTECH PCI2S550 2 Port PCI Low Profile RS232 Serial Adapter Card

VScom 400H v3 Universal PCI 4x RS232 2x DB9 uPCI-400H Card UART Serial Interface

SIIG Quad-Serial 4-Port / RS-232 PCIe Card Adapter w/ 16C550 UART (LB-S00114-S1)

XX11: Quatech DSP-100 Dual Channel RS-232 PCMCIA Asynchronous 930-1023-03L (G2)

BOCABOARD IOAT41 25-PIN SERIAL & 9-PIN PARALLEL PORT IO EXPANSION CARD PN9015

Brainboxes VX-001-001 1 Port RS232 ExpressCard Serial Adapter *Open Box New*

StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UAR

Siig JJ-E20311-S1 DP Cyber 1S1P Dual PCIe Card Serial/Parallel Combo Adapter

StarTech 2-port PCI Express RS232 Serial Adapter Card w/ 16950 UART - PEX2S953LP

Digi 50001136-01 ClassicBoard PCI 8 Plug and Play PNP Asynchronous Adapter Card

HP Lite-On KB661701 320302-001 PCI-2S1P GP Serial DB-9 Parallel DB-25 PCI Card

Oxford OXuPCI954 4 Serial RS-232 Ports PCMCIA Adapter w/Cable

Advantech PCIE-1602C-AE Dual RS-232/422/485 High Speed Serial Port PCI-E Card

HP 400 600 800 Serial Port Card Low G3 PS2 910324-001 910110-002 902760-002

SIIG Legacy & Beyond Series Quad (4 Port) Serial RS-232 PCIe Card New Old Stock

COMTROL 5002195 ROCKETPORT uPCI 8 PORT RJ RJ11 SERIAL PCI CARD 99415-2

PCIE to 8-Port RS232 Serial Expansion Card Serial Port Expansion Adapter Riser

Startech.com 2 Port PCIe RS-232 Serial Card PCI2S4851050

Dell DB9 RS-232 Serial Port Low Profile PCIe Controller Card (L-E) NT0HM 0NT0HM

DIGI 50500023 ARNET SMARTPORT4 ISA DB25F RS232 DTE ISA ADAPTER WITH CABLE

SIIG Suntek I/O Extension Serial Parallel ISA Expansion Card

STARTECH.COM PEX2S553 2PORT PCI EXPRESS RS232 SERIAL

CompUSA 271773 High Speed PCI Card With 2 Serial & 1 Parallel Port Adapter

HP Rp5800 Port Serial 640261-001 638946-001 634334-000 632851-001 Rs232 Com

5002505G Comtrol 5002505 PCI RocketPort Express Octa Serial Port Expansion Card

NEW! ~ Lava Quattro-PCI 4 UART Com Port RS232 Serial Expansion PCI Card

SIIG Inc. I/0 Board I/0 Entension A3 For Use In AT Compatible Computers

Dell Expansion Card 5R3FC YCJ65 Serial RS-232 (DB9) Parallel LPT (DB25) Ports MT

IBM 84F7113 ARTIC 1MB MULTIPORT/2 MICROCHANNEL ADAPTER WITH 57F0881 8 PORT RS422

SIIG 16550 Single-Port RS-232 PCIe Serial Card P/N: JJ-P01012 Tested Working

Syba SI-MPE15048 2 Port Serial Mini PCI-e Controller Card (RS-422/485)

Fujitsu Technology Dual Serial Card PCIe x1 PI4952-15X2A

Sunix 0NT0HM 1 Port Serial RS232 Desktop PCIe Card Low Profile SER6427A RK-7708A

Best selling

Advantech - PCIE-1602C-AE - Advantech 2-port RS-232/422/485 PCI Express

StarTech 4 Port PCIe Rs232 Low Profile Serial Adapter Card PEX4S953LP

StarTech PEX4S232485 4 Port PCI Express PCIe Serial Combo Card 2 X Rs232

HP 3TK82AA Internal Serial Port for Select EliteDesk and ProDesk

StarTech 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX2S553)

StarTech PEX16S550LP 16port PCI Express Serial Card

SIIG CyberSerial IO 1829 Serial Adapter Jj-p01012 PCI One 16550 UART Port

StarTech.com PCI1S550 Serial Adapter

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