Skip to main content
Hello
Select address
Search
Change Country
Returns
& Orders
Cart
Hello
Select address
AI Mode
Menu
Price Protection Deals
Shell Shocker
PC Builder
Shopping Tools
Newegg Outlet
Best Sellers
Newegg Card
Games
Trade-In
Newegg
Business
Feedback
Help Center
Your Browsing History
Home
Networking
Wired Networking
Network Interface Cards
Search Results
Network Interface Cards
Power Search
New
ON
OFF
Brands
EVESKY
IOCrest
ORVIX
Inline
Tripp Lite
Syba
Lindy Fishing Tackle
HP
NAC Wire and Cables
Delock
UOTEK
PCTECHINA
YEPLOOK
Amikon
Black Box Corporation
Vszerda
Enfain
JAENFONG
SISTEL
SMUGDESK
Ruth's sister
WISDUM
SUNIX
SerialGear
Syntech
WRIARICH
EmpressTech
TSUJ
Quantum
Oki Data
LSI
Socket Mobile, Inc.
DELL
Brainboxes
MANHATTAN
MERCURY SECURITY
Mikrotik
Conceptronic
Gembird
212 Main
Generic Brand
Golden Blue
BFKK
KHACHIMO
Famisym
Aomoproing
BEAN Tech
IOUCYS
AJMRTC
UP URS
Show More
Price
to
$10 - $25
$25 - $50
$50 - $75
$75 - $100
$100 - $200
$200 - $300
$300 - $400
$400 - $500
$500 - $750
$750 - $1000
Show More
Connectors
1 x RJ45
Interface
USB
All Top Brands
Top Brands
Condition
New
Recertified
Refurbished
Useful Links
Direct from Manufacturer
Warranty
1 - 3 Years
3 - 5 Years
Free Shipping
Volume Savings
Power Search
Can’t find the filter you need? Let AI help.
Ask Celeste
SM
Hide Filters
New
1 x RJ45
USB
HP
DELL
$10 - $25
$25 - $50
Top Brands
Free Shipping
Featured Items
Lowest Price
Highest Price
Best Selling
Best Rating
Most Reviews
Featured Items
Compare
Quick View
1PCS 2 Ports High Speed PCI-E PCI Express to RS-485 RS-422 Converter Serial Card DB9 RS485 RS422 Com Connector PCIE UT-792
$
236
.99
Free Shipping
Add to cart
Quick View
1PCS PCI to RS-232 Serial Card 2 Ports RS232 to PCI Converter DB9 COM Adapter UT-7702
$
112
.99
Free Shipping
Add to cart
Quick View
PCIE 1x to 4-Port RS232 Serial Port Card Adapter 2-Port 4-Port Expansion Card Desktop Purpose COM Card(2 Port)
$
89
.99
Free Shipping
Add to cart
Quick View
PCI-Express to 8 Ports RS232 DB9 Serial Card with Asix mcs9900 Fan Output Cable Pice RS-232 high Speed Chipset 920KB
$
138
.99
Free Shipping
Add to cart
Quick View
Optically Isolated RS422/485 PCIE2.0 Serials Card for Safe and Efficient Data Transmission Opticals Isolation Card
$
76
.99
Free Shipping
Add to cart
Quick View
1PCS Industrial Grade PCI to RS232 Serial Card 2 Ports High Speed DR44 Expansion Converter for 2U PC Case UT-752E
$
166
.99
Free Shipping
Add to cart
Quick View
8 Port Serial PCIe Expansion Card Serial Card PCIE Converter Adapter for 17V358 Chip
$
129
.99
Free Shipping
Add to cart
Quick View
MM-PCI16C1058-8S PCI to 8-Port RS232 Serial Adapter Card 926.1Kbps Desktop COM Port with 1 to 8 DB9 Serial Cable Support PCIIRQ Sharing
$
100
.99
Free Shipping
Add to cart
Quick View
Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02)
$
104
.99
Free Shipping
Add to cart
Quick View
Card, 12Gb / s Data Transfer Rate 2GB PCI Express 3.0 with 4 Internal Serial ATA SAS Ports, for Desktops Servers Workstations
$
283
.99
Free Shipping
Add to cart
Quick View
Syba 2 Port DB9 RS-422/485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
$
99
.99
Free Shipping
Add to cart
Quick View
LINDY 2 Port RS-232 Serial and 1 Port Parallel Card PCI Express (51188)
$
119
.99
Free Shipping
Add to cart
Quick View
IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068
$
72
.99
Free Shipping
Add to cart
Quick View
Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
$
109
.99
Free Shipping
Add to cart
Quick View
Delock PCI Express Card to 2 x Serial RS-232 High Speed 921K with Power Supply
$
142
.99
Free Shipping
Add to cart
Quick View
PCIExpress2.0 RS422 / 485 Serials Card with Asynchronous Full Communication Capability Multiple PCIExpress
$
81
.99
Free Shipping
Add to cart
Quick View
8 Port RS-232 DB9 Serial PCI-e 2.0 x1 Card XR17V358 Chipset 16C550 UART SI-PEX15041
$
118
.99
Free Shipping
Add to cart
Quick View
8 Serial Port DB9 RS232 PCIe Riser Card PCI-Express X1 Expansion Card Adapter High Speed 920KB with Heat Sink Chip ASIX AX9900
$
63
.96
Free Shipping
Add to cart
Quick View
4-port RS-232 PCI Express Serial Low Profile Board with Power Output (SATA Power Socket)
$
148
.99
Free Shipping
Add to cart
Quick View
Enhanceds 2/4 Port RS422/485 Serials PCIE2.0 Card For Industrial Machine Connectivitys High Performances Interfaces
$
94
.99
Free Shipping
Add to cart
Quick View
Enhanceds 2/4 Port RS422/485 Serials PCIE2.0 Card for Industrial Machine Connectivitys Multiple PCIExpress
$
96
.99
Free Shipping
Add to cart
Quick View
Syba 2 Port Serial DB9 RS232 PCI-e 1.0 x1 with Low Bracket SI-PEX15055
$
82
.99
Free Shipping
Add to cart
Quick View
4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042
$
83
.99
Free Shipping
Add to cart
Quick View
PCIE to 2 Ports RS-485/422 Serial Card with 1-to-2 Serial Ports Cable,Terminal Blocks,Expansion Card with 2 DB9 Connectors COM Ports Adapter Card Support Windows 10/8.1/8/7,with AX99100 Chip
$
77
.99
Free Shipping
Add to cart
Quick View
IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
$
75
.99
Free Shipping
Add to cart
Quick View
RS232 Serial Port Interface Card Compatible with TM-U210 M188B TM-L90 TM-U325 TM-T88V M129C TM-U220PD TM-U220PA TM-U288B M111A
$
83
.99
Free Shipping
Add to cart
Quick View
2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
$
83
.99
Free Shipping
Add to cart
Quick View
Inline PCIe x1 Card with 8X RS-232, D-Sub 9, Serial Interface Card, Industrial, Multi-Card Operation, Stable Data Transmission, 76660Z
$
277
.99
Free Shipping
Add to cart
Quick View
RS232 Serial Port Interface Card with Printer Supplies TM-U210 M188B TM-L90 TM-U325 TM-T88V M129C TM-U220PD
$
88
.99
Free Shipping
Add to cart
Quick View
RS232 Serial Port Interface Card Compatible with TM-U210 M188B TM-L90 TM-U325 TM-T88V M129C TM-U220PD TM-U220PA TM-U288B M111A Printers and Devices
$
84
.99
Free Shipping
Add to cart
Quick View
PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
$
70
.96
Free Shipping
Add to cart
Quick View
KALEA-INFORMATIQUE Mini PCIe 2 Port RS422 RS485 DB9 Serial Card with EXAR XR17V352 Chipset Supplied with Adapters for Wire to Wire Mount.
$
134
.99
Free Shipping
Add to cart
Quick View
PCIe to 4 Ports DB9 RS232 COM Serial Port I/O PCI-E X1 Riser Card Expansion Adapter Chipset ASIX/AX9900 for Desktop PC Computer
$
21
.96
Free Shipping
Add to cart
Quick View
HPE DL38X Gen10 12Gb SAS Expander - 12Gb/s SAS, Serial ATA/600 - PCI Express 3.0 x8 - Plug-in Card - 9 Total SAS Port(s) - 9 SAS Port(s) Internal - 0 SAS Port(s) External
$
256
.99
Free Shipping
Add to cart
Quick View
InLine PCIe Interface Card 2X Serial RS-232 COM Port AX99100 Low Profile for Windows & Linux 76619D
$
76
.99
Free Shipping
Add to cart
Quick View
PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader
$
69
.96
Free Shipping
Add to cart
Page
2/6
1
2
3
...
6
Find what you were looking for?
Let us know how we did.