Skip to main content

HelloSelect address

Menu

Newegg Business

Your Browsing History

Home
Electronics
Gadgets & Wearables
Gadgets
Search Results: "serial port"

Gadgets

Did You Find It? Save this search

Sold by Newegg
ONOFF

Make an Offer
ONOFF

Brands

SMUGDESK
Vszerda
JAENFONG
Aomoproing
Enfain
tuanyuan

Show More

Price

to

$0 - $10
$10 - $25
$25 - $50
$50 - $75
$75 - $100
$100 - $200

$200 - $300
$300 - $400
$400 - $500
$1000 - $1250

Show More

Sold by

Newegg

Current Promotion

Newegg Deals

Useful Links

Direct from Manufacturer
Cryptocurrency Payment Accepted
Lowest Price In 30 Days
Make an Offer
Free Shipping
Top Sellers

Volume Savings

Show More

Customer Ratings

& up

Any questions? Our AI mode will help you find out quickly.

Try me now

Search Within:

Page 15/20

Sort By:Featured Items

View:36

M.2 NGFF MSATA 2-in-1 to SATA Serial port USB3.0 conversion box Cable SSD case cover

M.2 NGFF MSATA 2-in-1 to SATA Serial port USB3.0 conversion box Cable SSD case cover

Model #: EC-486

$43^.15 –
Free Shipping

Compare

JAENFONG DB15 Breakout Connector, Serial Female to DB15 Screw Terminal Signal Module with Plastic Case & Accessories (Black)

JAENFONG DB15 Breakout Connector, Serial Female to DB15 Screw Terminal Signal Module with Plastic Case & Accessories (Black)

Limited time offer, ends 08/31

Model #: bx-988

$30^.24 –
Free Shipping

Compare

Vszerda DB15 Breakout Connector, Serial Female to DB15 Screw Terminal Signal Module with Plastic Case & Accessories (Black)

Vszerda DB15 Breakout Connector, Serial Female to DB15 Screw Terminal Signal Module with Plastic Case & Accessories (Black)

Model #: R8598

$28^.29 –
Free Shipping

Compare

MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232

MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232

Size: N/A
Model #: DZlmfi7t6h

$12^.08 –
More options from $12.08
Free Shipping

Compare

10pcs DB9 COM Serial Port 9Pin RS-232 to RS-485 RS232 to RS485 Adapter Passive Converter

10pcs DB9 COM Serial Port 9Pin RS-232 to RS-485 RS232 to RS485 Adapter Passive Converter

Limited time offer, ends 09/04

Model #: AJ98 K245

$53^.73 –
Free Shipping

Compare

Vszerda 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069

Vszerda 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069

Model #: 49R8JTF9

$85^.59 –
Free Shipping

Compare

JAENFONG DB15 Breakout Connector, DB15 D-SUB Male Solderless Serial to DB15 Screw Wiring Terminal Module Signal Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (MB)

JAENFONG DB15 Breakout Connector, DB15 D-SUB Male Solderless Serial to DB15 Screw Wiring Terminal Module Signal Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (MB)

Limited time offer, ends 08/31

Model #: bx-1080

$31^.24 –
Free Shipping

Compare

JAENFONG DB15 Breakout Connector, DB15 D-SUB Female Solderless Serial to Screw Wiring Terminal Signal Module Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (FB)

JAENFONG DB15 Breakout Connector, DB15 D-SUB Female Solderless Serial to Screw Wiring Terminal Signal Module Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (FB)

Limited time offer, ends 08/31

Model #: bx-1087

$30^.24 –
Free Shipping

Compare

Vszerda DB15 Breakout Connector, DB15 D-SUB Female Solderless Serial to Screw Wiring Terminal Signal Module Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (FB)

Vszerda DB15 Breakout Connector, DB15 D-SUB Female Solderless Serial to Screw Wiring Terminal Signal Module Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (FB)

Model #: 7545814787

$28^.29 –
Free Shipping

Compare

Vszerda DB15 Breakout Connector, DB15 D-SUB Male Solderless Serial to DB15 Screw Wiring Terminal Module Signal Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (MB)

Vszerda DB15 Breakout Connector, DB15 D-SUB Male Solderless Serial to DB15 Screw Wiring Terminal Module Signal Breakout PCB Board with Plastic Case & Screws Long Bolt (Black) (MB)

Model #: 114786

$29^.29 –
Free Shipping

Compare

For Samsung TS-U633 SU-208BB. SU-208FB GB 9.5MM DVD burner drive serial port Optical Drives

For Samsung TS-U633 SU-208BB. SU-208FB GB 9.5MM DVD burner drive serial port Optical Drives

Model #: AN7S 14930

$49^.99 –
$4.99 Shipping

Compare

DTECH DT-9001B Industrial RS232 to RS485 Converter - Plug & Play DB9 Male Serial Adapte

DTECH DT-9001B Industrial RS232 to RS485 Converter - Plug & Play DB9 Male Serial Adapte

Limited time offer, ends 08/23

Model #: BZ59-1125-10

$18^.69 –
Free Shipping

Compare

DTECH Industrial Grade DT-9004 Passive RS232 to 485 Serial Communication Converter

DTECH Industrial Grade DT-9004 Passive RS232 to 485 Serial Communication Converter

Limited time offer, ends 08/23

Model #: BZ59-1125-15

$37^.39 –
Free Shipping

Compare

USB to TTL brush board CH340G module USB to serial port CH340T module Download cable

USB to TTL brush board CH340G module USB to serial port CH340T module Download cable

Model #: wa-844

$15^.10 –
Free Shipping

Compare

HF Elfin-EE10 Serial Server Serial Port RS232 to Ethernet Serial Port ModbusTCP/HTTP Support TCP/IP Telnet Modbus TCP Protocol (Single Serial Server)

HF Elfin-EE10 Serial Server Serial Port RS232 to Ethernet Serial Port ModbusTCP/HTTP Support TCP/IP Telnet Modbus TCP Protocol (Single Serial Server)

Model #: cy-4350

$29^.50 –
Free Shipping

Compare

M.2 NGFF MSATA 2-in-1 to SATA Serial port USB3.0 conversion box Cable SSD case cover

M.2 NGFF MSATA 2-in-1 to SATA Serial port USB3.0 conversion box Cable SSD case cover

Model #: wa-828

$51^.10 –
Free Shipping

Compare

2 Port Serial COM DB9 RS-232 and 1 Port DB25 Printer Lpt1 Port PCI-E 1.0 X1 Card WCH382 Chipset

2 Port Serial COM DB9 RS-232 and 1 Port DB25 Printer Lpt1 Port PCI-E 1.0 X1 Card WCH382 Chipset

Model #: cy-4175

$34^.59 –
Free Shipping

Compare

HF HF5111S RS458 Serial to Ethernet Modbus Server Supports Modbus RTU to Modbus TCP DTU Model MQTT Free RTOS Serial Port Transmission Converter Serial Server

HF HF5111S RS458 Serial to Ethernet Modbus Server Supports Modbus RTU to Modbus TCP DTU Model MQTT Free RTOS Serial Port Transmission Converter Serial Server

Model #: cy-4796

$46^.81 –
Free Shipping

Compare

RJ45 to RS232 RS485 RS422 Industrial Male Converter TCP/UDP Serial RS232 RS485 to Ethernet Device Server

RJ45 to RS232 RS485 RS422 Industrial Male Converter TCP/UDP Serial RS232 RS485 to Ethernet Device Server

Model #: cy-4393

$45^.57 –
Free Shipping

Compare

2 Port Serial PCI-e 1.0 x 1 with Full and Low Profile Brackets SI-PEX15037

Model #: cy-4480

$43^.60 –
Free Shipping

Compare

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (1pcs)

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (1pcs)

Model #: cy-4469

$27^.40 –
Free Shipping

Compare

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (5pcs)

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (5pcs)

Model #: cy-4635

$61^.66 –
Free Shipping

Compare

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (with Female to Female Connector)

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (with Female to Female Connector)

Model #: cy-4591

$42^.96 –
Free Shipping

Compare

IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15070

IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15070

Model #: cy-4795

$53^.60 –
Free Shipping

Compare

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (No Female to Female Connector)

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (No Female to Female Connector)

Model #: cy-4560

$37^.60 –
Free Shipping

Compare

USR-TCP232-410S Serial to Ethernet Converter Support Modbus RTU & TCP Terminal Power Supply RS232 RS485 to TCP/IP Module

USR-TCP232-410S Serial to Ethernet Converter Support Modbus RTU & TCP Terminal Power Supply RS232 RS485 to TCP/IP Module

Model #: cy-4180

$65^.50 –
Free Shipping

Compare

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (with Female to Female Connector)

1.2m USB2.0 to 4 Ports RS232 Serial Adapter PL-2302 Chipset with Female to Female Connector Support Windows XP/Vista/7/8.1/10, Mac OS (with Female to Female Connector)

Model #: cy-4559

$37^.60 –
Free Shipping

Compare

2 Port Parallel 1 Por Serial PCIe x1 Card, PCI Express to DB25 and DB9 with Low Bracket, Support SPP / PS2 / EPP/ECP Modes RS232 / RS485 / RS422 and Centronics Interface SI-PEX50103

2 Port Parallel 1 Por Serial PCIe x1 Card, PCI Express to DB25 and DB9 with Low Bracket, Support SPP / PS2 / EPP/ECP Modes RS232 / RS485 / RS422 and Centronics Interface SI-PEX50103

Model #: cy-4840

$53^.60 –
Free Shipping

Compare

2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)

2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)

Model #: cy-4716

$103^.60 –
Free Shipping

Compare

2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069

2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069

Model #: cy-4865

$93^.60 –
Free Shipping

Compare

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

Model #: cy-4734

$93^.60 –
Free Shipping

Compare

IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068

IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068

Model #: cy-4680

$81^.60 –
Free Shipping

Compare

SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset

SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset

Model #: cy-4778

$103^.60 –
Free Shipping

Compare

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

Model #: cy-4824

$105^.14 –
Free Shipping

Compare

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)

Model #: cy-4816

$105^.14 –
Free Shipping

Compare

2 Port Serial DB9 Mini PCIe Controller Card (RS-232)

2 Port Serial DB9 Mini PCIe Controller Card (RS-232)

Model #: cy-4804

$53^.60 –
Free Shipping

Compare

Page 15/20

...

...

Did You Find It?

Deals Just For You

Sign up to receive exclusive offers in your inbox.

clear text

View Latest Email Deals

Download Our APP

Enter your phone number and we'll send you a download link.

+1

OR

Shop on Newegg APP

Scan the QR code to download App

Scan this code with your phone's camera.

Customer Service

Help Center
Track an Order
Return an Item
Return Policy
Privacy & Security
Feedback

My Account

Login/Register
Browsing History
Order History
Returns History
Address Book
Wish Lists
My Build Lists
My Build Showcase
Email Notifications
Subscriptions Orders
Auto Notifications

Company Information

About Newegg
Investor Relations
Media Center
Newegg Student Internship Program
Gamer Zone
Press Inquiries
Newegg Careers
Newegg Insider

Tools & Resources

Become a supplier
Sell on Newegg.com
For Your Business
Newegg Partner Services
Become an Affiliate
Newegg Creators
Site Map
Shop by Brand
Rebates
Mobile Apps
ChatGPT App
Student Discount
Newegg Store Credit Card
Build Showcases
Progressive Leasing
Trade In

Shop Our Brands

Newegg Business
Newegg Global
ABS
Rosewill

© 2000-2026 Newegg Inc. All rights reserved.

Terms & Conditions Privacy PolicyCookie SettingsCalif. Transparency in Supply Chains Act Cigna Transparency in Coverage (MRF)

Reddit
Facebook
X
Instagram
LinkedIn
Pinterest
YouTube
Twitch
Discord
Tiktok

Compare Items

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Messages